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C-function -- C-group -- C-minimal theory -- C-normal subgroup -- C-number -- C space -- C-symmetry -- C-theorem -- C-Thru Ruler -- C*-algebra -- C+-probability -- C. M. Whish -- C0-semigroup -- CA-group -- Cabal (set theory) -- Cabibbo–Kobayashi–Maskawa matrix -- Cabri Geometry -- Cabtaxi number -- Caccioppoli Prize -- Caccioppoli set -- Cache stampede -- Cactus graph -- Cadaeic Cadenza -- Càdlàg -- Caesar cipher -- Cage (graph theory) -- Cagniard–De Hoop method -- Cahen's constant -- Cahiers de Topologie et Géométrie Différentielle Catégoriques -- Cahn–Hilliard equation --

Cairo pentagonal tiling -- Cake number -- Calabi conjecture -- Calabi–Eckmann manifold -- Calabi flow -- Calabi triangle -- Calabi–Yau algebra -- Calabi–Yau manifold -- Calculation -- Calculation of glass properties -- Calculator -- Calculator input methods -- Calculatrivia -- Calculus -- Calculus Made Easy -- Calculus of constructions -- Calculus of functors -- Calculus of moving surfaces -- Calculus of predispositions -- Calculus of structures -- Calculus of variations -- Calculus of voting -- Calculus on Euclidean space -- Calculus on finite weighted graphs -- Calculus on manifolds -- Calculus on Manifolds (book) -- Calculus on manifolds (disambiguation) -- Calculus ratiocinator -- Calcutta Mathematical Society -- Calderón projector -- Calderón–Zygmund lemma -- Calendrical calculation -- Calendrical Calculations -- Caliber (mathematics) -- Calibrated geometry -- Calibrated probability assessment -- Calibration (statistics) -- California Faience -- California Mathematics Project -- California State Summer School for Mathematics and Science -- Calkin algebra -- Calkin correspondence -- Calkin–Wilf tree -- Call-by-push-value -- Callendar-Van Dusen equation -- Calogero conjecture -- Calogero–Degasperis–Fokas equation -- Caloric polynomial --

Camassa–Holm equation -- Camber angle -- Cambridge Mathematical Tripos -- Camera auto-calibration -- Cameron–Erdős conjecture -- Cameron graph -- Cameron–Martin theorem -- Campbell's theorem -- Campbell's theorem (geometry) -- Campbell's theorem (probability) -- Campedelli surface -- Canada/USA Mathcamp -- Canadian Journal of Mathematics -- Canadian Mathematical Bulletin -- Canadian Mathematical Olympiad -- Canadian Mathematical Society -- Canadian Open Mathematics Challenge -- Canadian Society for History and Philosophy of Mathematics -- Canadian traveller problem -- Canberra distance -- Cancellation property -- Cancellative semigroup -- Cancelling out -- Candido's identity -- Cannon–Thurston map -- Cannon's algorithm -- Cannon's conjecture -- Cannonball problem -- Canon arithmeticus -- Canon Palmtronic LE-80M -- Canon Sinuum (Bürgi) -- Canon Sinuum (Pitiscus) -- Canonical analysis -- Canonical basis -- Canonical bundle -- Canonical commutation relation -- Canonical connection -- Canonical coordinates -- Canonical correlation -- Canonical correspondence analysis -- Canonical cover -- Canonical form -- Canonical Huffman code -- Canonical map -- Canonical normal form -- Canonical quantization -- Canonical ring -- Canonical singularity -- Canonical transformation -- Canonicalization -- Canonizant -- Canopy clustering algorithm -- Cantamath -- Cantellated 120-cell -- Cantellated 24-cell honeycomb -- Cantellated 24-cells -- Cantellated 5-cell -- Cantellated 5-cubes -- Cantellated 5-orthoplexes -- Cantellated 5-simplexes -- Cantellated 6-cubes -- Cantellated 6-orthoplexes -- Cantellated 6-simplexes -- Cantellated 7-cubes -- Cantellated 7-orthoplexes -- Cantellated 7-simplexes -- Cantellated 8-simplexes -- Cantellated tesseract -- Cantellated tesseractic honeycomb -- Cantellation (geometry) -- Cantelli's inequality -- Cantic 5-cube -- Cantic 6-cube -- Cantic 7-cube -- Cantic 8-cube -- Cantic octagonal tiling -- Cantic order-4 hexagonal tiling -- Cantitruncated 24-cell honeycomb -- Cantitruncated tesseractic honeycomb -- Cantor algebra -- Cantor–Bernstein theorem -- Cantor cube -- Cantor–Dedekind axiom -- Cantor distribution -- Cantor function -- Cantor medal -- Cantor set -- Cantor space -- Cantor tree -- Cantor tree surface -- Cantor–Zassenhaus algorithm -- Cantor's diagonal argument -- Cantor's first set theory article -- Cantor's intersection theorem -- Cantor's isomorphism theorem -- Cantor's paradise -- Cantor's paradox -- Cantor's theorem --

Cap product -- Cap set -- Capable group -- Capacitated Arc Routing Problem -- Capacity of a set -- Capelli's identity -- Capped grope -- Caratheodory-π solution -- Carathéodory conjecture -- Carathéodory function -- Carathéodory–Jacobi–Lie theorem -- Carathéodory kernel theorem -- Carathéodory metric -- Carathéodory's criterion -- Carathéodory's existence theorem -- Carathéodory's extension theorem -- Carathéodory's theorem -- Carathéodory's theorem (conformal mapping) -- Carathéodory's theorem (convex hull) -- Carathéodory's theorem (disambiguation) -- Cardinal and Ordinal Numbers -- Cardinal assignment -- Cardinal characteristic of the continuum -- Cardinal function -- Cardinal number -- Cardinal numeral -- Cardinality -- Cardinality of the continuum -- Cardioid -- Caristi fixed-point theorem -- Carl B. Allendoerfer Award -- Carl Friedrich Gauss Prize -- Carleman matrix -- Carleman's condition -- Carleman's equation -- Carleman's inequality -- Carleson–Jacobs theorem -- Carleson measure -- Carleson's theorem -- Carlitz exponential -- Carlitz polynomial -- Carlitz–Wan conjecture -- Carlson symmetric form -- Carlson's theorem -- Carlyle circle -- CaRMetal -- Carmichael function -- Carmichael number -- Carmichael's theorem -- Carmichael's totient function conjecture -- Carminati–McLenaghan invariants -- Carnot group -- Carnot's theorem -- Carnot's theorem (conics) -- Carnot's theorem (geometry) -- Carnot's theorem (inradius, circumradius) -- Carnot's theorem (perpendiculars) -- Carotid–Kundalini function -- Carpenter's rule problem -- Carr–Madan formula -- Carroll diagram -- Carry (arithmetic) -- Carry-less product -- Carry On, Mr. Bowditch -- Carry operator -- Cartan–Ambrose–Hicks theorem -- Cartan–Brauer–Hua theorem -- Cartan connection -- Cartan decomposition -- Cartan–Dieudonné theorem -- Cartan–Eilenberg resolution -- Cartan–Hadamard conjecture -- Cartan–Hadamard theorem -- Cartan–Kähler theorem -- Cartan–Karlhede algorithm -- Cartan–Kuranishi prolongation theorem -- Cartan matrix -- Cartan model -- Cartan pair -- Cartan subalgebra -- Cartan subgroup -- Cartan's criterion -- Cartan's equivalence method -- Cartan's lemma -- Cartan's lemma (potential theory) -- Cartan's theorem -- Cartan's theorems A and B -- Carter subgroup -- Cartesian closed category -- Cartesian coordinate system -- Cartesian monoid -- Cartesian monoidal category -- Cartesian oval -- Cartesian product -- Cartesian product of graphs -- Cartesian tensor -- Cartier duality -- Cartier isomorphism -- Carus Mathematical Monographs --

Cas (mathematics) -- Casas-Alvero conjecture -- Cascade algorithm -- Case analysis -- Casey's theorem -- Cash–Karp method -- Cashflow matching -- Casimir element -- CASINO -- Casorati–Weierstrass theorem -- Cassini and Catalan identities -- Cassini oval -- Casson handle -- Casson invariant -- Castelnuovo curve -- Castelnuovo–de Franchis theorem -- Castelnuovo–Mumford regularity -- Castelnuovo surface -- Castelnuovo's contraction theorem -- Casting out nines -- Casus irreducibilis -- Cat's cradle -- CAT(k) group -- CAT(k) space -- Catalan–Dickson conjecture -- Catalan number -- Catalan pseudoprime -- Catalan solid -- Catalan surface -- Catalan's conjecture -- Catalan's constant -- Catalan's Mersenne conjecture -- Catalan's minimal surface -- Catalan's triangle -- Catalecticant -- Catalina Pottery -- Catalog of articles in probability theory -- Catalogue of Triangle Cubics -- Catamorphism -- Catanese surface -- Catastro of Ensenada -- Catastrophe theory -- Catastrophic cancellation -- Catch-22 (logic) -- Categorial grammar -- Categorical distribution -- Categorical logic -- Categorical quantum mechanics -- Categorical quotient -- Categorical set theory -- Categorical theory -- Categorical trace -- Categorical variable -- Categories for the Working Mathematician -- Categories of manifolds -- Categorification -- Category (mathematics) -- Category algebra -- Category O -- Category of abelian groups -- Category of compactly generated weak Hausdorff spaces -- Category of elements -- Category of finite-dimensional Hilbert spaces -- Category of groups -- Category of manifolds -- Category of medial magmas -- Category of metric spaces -- Category of modules -- Category of preordered sets -- Category of relations -- Category of representations -- Category of rings -- Category of sets -- Category of small categories -- Category of topological spaces -- Category of topological vector spaces -- Category theory -- Catenary -- Catenary ring -- Catenoid -- Caterpillar tree -- Cathetus -- Catholic semigroup -- Catmull–Clark subdivision surface -- Catuṣkoṭi --

Cauchy–Binet formula -- Cauchy boundary condition -- Cauchy condensation test -- Cauchy-continuous function -- Cauchy distribution -- Cauchy–Euler equation -- Cauchy–Euler operator -- Cauchy formula for repeated integration -- Cauchy–Hadamard theorem -- Cauchy index -- Cauchy–Kowalevski theorem -- Cauchy matrix -- Cauchy momentum equation -- Cauchy principal value -- Cauchy problem -- Cauchy process -- Cauchy product -- Cauchy–Rassias stability -- Cauchy–Riemann equations -- Cauchy–Schwarz inequality -- Cauchy sequence -- Cauchy space -- Cauchy stress tensor -- Cauchy surface -- Cauchy theorem -- Cauchy theorem (disambiguation) -- Cauchy's convergence test -- Cauchy's functional equation -- Cauchy's integral formula -- Cauchy's integral theorem -- Cauchy's test -- Cauchy's test (disambiguation) -- Cauchy's theorem (geometry) -- Cauchy's theorem (group theory) -- Caucus for Women in Statistics -- Causal decision theory -- Causal fermion systems -- Causal graph -- Causal inference -- Causal loop diagram -- Causal Markov condition -- Causal sets -- Causal structure -- Causal system -- Causality (book) -- Causality conditions -- Cause–effect graph -- Caustic (mathematics) --

Cavalieri's principle -- Cavalieri's quadrature formula -- Cayley–Bacharach theorem -- Cayley configuration space -- Cayley–Dickson construction -- Cayley graph -- Cayley–Hamilton theorem -- Cayley–Klein metric -- Cayley–Menger determinant -- Cayley plane -- Cayley process -- Cayley process (disambiguation) -- Cayley surface -- Cayley surface (disambiguation) -- Cayley table -- Cayley transform -- Cayley's Ω process -- Cayley's formula -- Cayley's mousetrap -- Cayley's nodal cubic surface -- Cayley's ruled cubic surface -- Cayley's sextic -- Cayley's theorem -- Cayleyan -- CC (complexity) -- CC system -- CCR and CAR algebras -- CDF-based nonparametric confidence interval -- Céa's lemma -- Cebeci–Smith model -- Cebuano numbers --

Čech cohomology -- Čech complex -- Čech-to-derived functor spectral sequence -- Cederbaum's maximum flow theorem -- Ceiling effect -- Ceiling effect (statistics) -- Celestial coordinate system -- Celestial mechanics -- Celestial navigation -- Cell lists -- Cell survival curve -- Cellular algebra -- Cellular approximation -- Cellular automaton -- Cellular decomposition -- Cellular homology -- Cellular Potts model -- Cellular space -- Celtic maze -- Cement tile -- Censored regression model -- Censoring (statistics) -- Census -- Center (algebra) -- Center (category theory) -- Center (group theory) -- Center (ring theory) -- Center for Mathematical Modeling -- Center for Mathematics and Theoretical Physics -- Center for Scientific Computation and Mathematical Modeling -- Center for Undergraduate Research in Mathematics -- Center manifold -- Center of curvature -- Center of mass -- Center of Mathematical Sciences, Zhejiang University -- Center-of-momentum frame -- Center-pivot irrigation -- Centered cube number -- Centered decagonal number -- Centered dodecahedral number -- Centered heptagonal number -- Centered hexagonal number -- Centered icosahedral number -- Centered nonagonal number -- Centered octagonal number -- Centered octahedral number -- Centered pentagonal number -- Centered polygonal number -- Centered polyhedral number -- Centered set -- Centered square number -- Centered tetrahedral number -- Centered tree -- Centered triangular number -- Centered trochoid -- Centering matrix -- Centerpoint (geometry) -- Centigrade (angle) -- Centillion -- Centipede mathematics -- Central angle -- Central binomial coefficient -- Central carrier -- Central composite design -- Central Council of Church Bell Ringers -- Central Department of Mathematics TU -- Central differencing scheme -- Central limit theorem -- Central line (geometry) -- Central moment -- Central polynomial -- Central product -- Central series -- Central simple algebra -- Central subgroup -- Central tendency -- Central triangle -- Centrality -- Centralizer and normalizer -- Centrally closed subgroup -- Centre (geometry) -- Centre de Recerca Matemàtica -- Centre de Recherches Mathématiques -- Centre for Mathematical Sciences (Kerala) -- Centre International de Mathématiques Pures et Appliquées -- Centre International de Rencontres Mathématiques -- Centrifugal force -- Centripetal Catmull–Rom spline -- Centro de Investigación en Matemáticas -- Centroid -- Centroidal Voronoi tessellation -- Centrosymmetric matrix -- Centrosymmetry -- Centrum Wiskunde & Informatica --

CEP subgroup -- Cepstrum -- Cereceda's conjecture -- Cerf theory -- Černy conjecture -- Certainty -- Certificate (complexity) -- Cesàro equation -- Cesàro summation -- Ceva's theorem -- Cevian -- Ceyuan haijing -- CGAL -- CH-quasigroup -- Chabauty topology -- ChaCha20-Poly1305 -- Chaff algorithm -- Chain (algebraic topology) -- Chain-complete partial order -- Chain complex -- Chain rule -- Chain rule (probability) -- Chain rule for Kolmogorov complexity -- Chain sequence -- Chair tiling -- Chaitin's algorithm -- Chaitin's constant -- Chakravala method -- Chamfer (geometry) -- Chamfered dodecahedron -- Champernowne constant -- Champernowne distribution -- Championnat International de Jeux Mathématiques et Logiques -- Chan–Karolyi–Longstaff–Sanders process -- Chan's algorithm -- Chandrasekhar–Page equations -- Chandrasekhar virial equations -- Chandrasekhar–Wentzel lemma -- Chandrasekhar's H-function -- Chandrasekhar's white dwarf equation -- Chandrasekhar's X- and Y-function -- Chang graphs -- Chang number -- Chang's conjecture -- Chang's model -- Change detection -- Change-making problem -- Change of base -- Change of basis -- Change of fiber -- Change of rings -- Change of variables -- Change of variables (PDE) -- Change ringing -- Channel surface -- Chaos -- Chaos communications -- Chaos game -- Chaos machine -- Chaos theory -- Chaotic bubble -- Chaotic cryptology -- Chaotic hysteresis -- Chaotic mixing -- Chaotic scattering -- Chaotica (software) -- Chaplygin problem -- Chaplygin's equation -- Chapman function -- Chapman–Kolmogorov equation -- Chapman–Robbins bound -- Character (mathematics) -- Character group -- Character module -- Character sum -- Character table -- Character theory -- Character variety -- Characteristic (algebra) -- Characteristic 2 type -- Characteristic class -- Characteristic equation -- Characteristic equation (calculus) -- Characteristic exponent -- Characteristic exponent (disambiguation) -- Characteristic function -- Characteristic function (convex analysis) -- Characteristic function (probability theory) -- Characteristic mode analysis -- Characteristic multiplier -- Characteristic polynomial -- Characteristic polynomial of a graph -- Characteristic power series -- Characteristic set -- Characteristic state function -- Characteristic subgroup -- Characteristic variety -- Characteristically simple group -- Characterization (mathematics) -- Characterization of probability distributions -- Characterizations of the exponential function -- Charles Lagrange Prize -- Charles Sanders Peirce bibliography -- Charlie Eppes -- Charlier polynomials -- Charpit method -- Charter of Swiss Public Statistics -- Chartered mathematician -- Chartered Statistician -- Charts on SO(3) -- Chases and Escapes -- Chasles–Cayley–Brill formula -- Chasles' theorem -- Chasles' theorem (geometry) -- Chasles' theorem (kinematics) -- Châtelet surface -- Chauvenet Prize -- Chauvenet's criterion -- Chazy equation --

Chebotarev's density theorem -- Chebyshev center -- Chebyshev distance -- Chebyshev equation -- Chebyshev function -- Chebyshev–Gauss quadrature -- Chebyshev integral -- Chebyshev iteration -- Chebyshev–Markov–Stieltjes inequalities -- Chebyshev nodes -- Chebyshev polynomials -- Chebyshev pseudospectral method -- Chebyshev rational functions -- Chebyshev's bias -- Chebyshev's inequality -- Chebyshev's sum inequality -- Chebyshev's theorem -- Chebyshev's theorem (disambiguation) -- Checking whether a coin is fair -- Checkpointing scheme -- Checksum -- Cheeger bound -- Cheeger constant -- Cheeger constant (graph theory) -- Cheetah Math -- Chemical graph theory -- Chemical reaction model -- Chemometrics and Intelligent Laboratory Systems -- Chen–Gackstatter surface -- Chen prime -- Chen's theorem -- Cheng's eigenvalue comparison theorem -- Chennai Mathematical Institute -- Chentsov's theorem -- Cherlin–Zilber conjecture -- Chern class -- Chern Medal -- Chern Prize (ICCM) -- Chern–Simons form -- Chern–Weil homomorphism -- Chern's conjecture (affine geometry) -- Chern's conjecture for hypersurfaces in spheres -- Chernoff bound -- Chernoff face -- Chernoff's distribution -- Cherry picking -- Cheryl's Birthday -- Chessboard paradox -- Chetaev instability theorem -- Chetayev instability theorem -- Chevalley basis -- Chevalley–Iwahori–Nagata theorem -- Chevalley restriction theorem -- Chevalley scheme -- Chevalley–Shephard–Todd theorem -- Chevalley–Warning theorem -- Chevalley's structure theorem -- Chew's second algorithm --

Chi (angle) -- Chi distribution -- Chi-square automatic interaction detection -- Chi-squared distribution -- Chi-squared test -- Chialvo map -- Chicago school (mathematical analysis) -- Chicka Chicka 1, 2, 3 -- Chief series -- Chien search -- Chihara–Ismail polynomials -- Chihara polynomials -- Chilean Journal of Statistics -- Chiliagon -- China Girls Mathematical Olympiad -- Chinese Annals of Mathematics, Series B -- Chinese hypothesis -- Chinese Mathematical Society -- Chinese mathematics -- Chinese monoid -- Chinese multiplication table -- Chinese number gestures -- Chinese numerals -- Chinese postman problem -- Chinese remainder theorem -- Chinese restaurant process -- Chinese Zhusuan -- Chip-firing game -- Chiral algebra -- Chiral homology -- Chiral knot -- Chiral Lie algebra -- Chiral polytope -- Chiral Potts curve -- Chiral symmetry breaking -- Chirality (mathematics) -- Chirikov criterion -- Chirp Z-transform -- Chirplet transform -- Chisanbop -- Chisini mean --

Chladni's law -- Choi–Williams distribution function -- Choi's theorem on completely positive maps -- Choice function -- Choice sequence -- Cholesky -- Cholesky decomposition -- Chomp -- Chomsky–Schützenberger theorem -- Chopsticks (hand game) -- Choquet game -- Choquet integral -- Choquet theory -- Chord (geometry) -- Chord diagram (mathematics) -- Chordal bipartite graph -- Chordal completion -- Chordal graph -- Chordal variety -- Chore division -- Chow group -- Chow group of a stack -- Chow–Rashevskii theorem -- Chow test -- Chow variety -- Chow's lemma -- Chow's moving lemma -- Chow's theorem -- Chowla–Mordell theorem -- Chowla–Selberg formula --

Christ–Kiselev maximal inequality -- Christoffel–Darboux formula -- Christoffel symbols -- Christofides algorithm -- Chroma feature -- Chromatic homotopy theory -- Chromatic number -- Chromatic polynomial -- Chromatic spectral sequence -- Chronogram -- Chronology of ancient Greek mathematicians -- Chronology of computation of π -- Chronology protection conjecture -- Chrystal's equation -- CHSH inequality -- Chu space -- Chua's circuit -- Chudnovsky algorithm -- Chung–Erdős inequality -- Chunking (division) -- Church encoding -- Church–Rosser theorem -- Church–Turing–Deutsch principle -- Church–Turing thesis -- Church's thesis (constructive mathematics) -- Churchill Professorship of Mathematics for Operational Research -- Chuvash numerals -- Chvátal graph -- Chvátal–Sankoff constants -- Cichoń's diagram --

Cimag -- Cinquefoil knot -- Cipolla's algorithm -- Circle -- Circle bundle -- Circle criterion -- Circle graph -- Circle group -- Circle Limit III -- Circle of a sphere -- Circle of antisimilitude -- Circle of confusion -- Circle packing -- Circle packing in a circle -- Circle packing in a square -- Circle packing in an equilateral triangle -- Circle packing in an isosceles right triangle -- Circle packing theorem -- Circle theorem -- Circle-valued Morse theory -- Circle's circumference -- Circles of Apollonius -- Circolo Matematico di Palermo -- Circuit (computer science) -- Circuit complexity -- Circuit rank -- Circuit topology -- Circuits over sets of natural numbers -- Circulant graph -- Circulant matrix -- Circular algebraic curve -- Circular analysis -- Circular arc -- Circular-arc graph -- Circular coloring -- Circular convolution -- Circular distribution -- Circular ensemble -- Circular error probable -- Circular law -- Circular layout -- Circular mean -- Circular motion -- Circular permutation in proteins -- Circular points at infinity -- Circular prime -- Circular section -- Circular sector -- Circular segment -- Circular shift -- Circular standard deviation -- Circular surface -- Circular symmetry -- Circular transform -- Circular triangle -- Circular uniform distribution -- Circular variance -- Circulation problem -- Circumcenter of mass -- Circumcevian triangle -- Circumconic and inconic -- Circumference -- Circumference (graph theory) -- Circumgon -- Circumscribed circle -- Circumscribed sphere -- Circumscription (logic) -- Cirquent calculus --

Cis (mathematics) -- Cissoid -- Cissoid of Diocles -- Cistercian numerals -- Citation graph -- Civic lottery -- Civic statistics -- Clairaut's equation (mathematical analysis) -- Clairaut's relation (differential geometry) -- Clairaut's theorem -- Clark–Ocone theorem -- Clarke's equation -- Clarke's generalized Jacobian -- Clarkson's inequalities -- Clasper (mathematics) -- Class (set theory) -- Class A surface -- Class automorphism -- Class field theory -- Class formation -- Class function -- Class logic -- Class number -- Class number (disambiguation) -- Class number formula -- Class number problem -- Class of groups -- Classical control theory -- Classical definition of probability -- Classical field theory -- Classical group -- Classical Hamiltonian quaternions -- Classical involution theorem -- Classical Lie algebras -- Classical logic -- Classical mathematics -- Classical mechanics -- Classical Mechanics (Kibble and Berkshire) -- Classical modular curve -- Classical orthogonal polynomials -- Classical test theory -- Classical Wiener space -- Classification of Clifford algebras -- Classification of discontinuities -- Classification of electromagnetic fields -- Classification of Fatou components -- Classification of finite simple groups -- Classification of low-dimensional real Lie algebras -- Classification of manifolds -- Classification theorem -- Classifier (mathematics) -- Classifying space -- Classifying space for O(n) -- Classifying space for U(n) -- Classifying topos -- Claudia (crater) -- Clause (logic) -- Clausen function -- Clausen's formula -- Clavis mathematicae -- Claw finding problem -- Claw-free graph -- Claw-free permutation -- CLAWS (linguistics) -- Clay Mathematics Institute -- Clay Mathematics Monographs -- Clay Research Award --

Clean ring -- Clearing denominators -- ClearVolume -- Cleaver (geometry) -- Clebsch–Gordan coefficients -- Clebsch–Gordan coefficients for SU(3) -- Clebsch graph -- Clebsch representation -- Clebsch surface -- Clélie -- Clemens conjecture -- Clenshaw algorithm -- Clenshaw–Curtis quadrature -- Clifford algebra -- Clifford analysis -- Clifford bundle -- Clifford–Klein form -- Clifford module -- Clifford module bundle -- Clifford parallel -- Clifford semigroup -- Clifford theory -- Clifford torus -- Clifford's circle theorems -- Clifford's theorem -- Clifford's theorem (disambiguation) -- Clifford's theorem on special divisors -- Clifton–Pohl torus -- Climate ensemble -- Cliodynamics -- Clique (graph theory) -- Clique complex -- Clique cover -- Clique graph -- Clique graph (disambiguation) -- Clique number -- Clique percolation method -- Clique problem -- Clique-sum -- Clique-width --

Clobber -- Clock angle problem -- Clock position -- Cloister vault -- Clone (algebra) -- Clopen set -- Clos network -- Close-packing of equal spheres -- Closed and exact differential forms -- Closed category -- Closed convex function -- Closed form -- Closed form (disambiguation) -- Closed-form expression -- Closed geodesic -- Closed graph property -- Closed graph theorem -- Closed immersion -- Closed-loop transfer function -- Closed manifold -- Closed monoidal category -- Closed range theorem -- Closed set -- Closed-subgroup theorem -- Closed testing procedure -- Closed timelike curve -- Closeness (mathematics) -- Closeness centrality -- Closest pair of points problem -- Closest point method -- Closest string -- Closing (morphology) -- Closure (mathematics) -- Closure (topology) -- Closure operator -- Closure problem -- Closure with a twist --

Club filter -- Club set -- Clubsuit -- Clumsy Thief -- Cluster algebra -- Cluster analysis -- Cluster decomposition theorem -- Cluster graph -- Cluster prime -- Cluster sampling -- Cluster-weighted modeling -- Clustered planarity -- Clustered standard errors -- Clustering coefficient -- Clustering illusion -- Clutching construction -- CM-field -- CMA-ES -- CMAC -- CN-group -- Co-Hopfian group -- Co-NP -- Co-NP-complete -- Co-RE -- Co-RE-complete -- Co-RP -- Co-stardom network -- Coadjoint representation -- Coalgebra -- Coanalytic set -- Coarea formula -- Coarse function -- Coarse space -- Coarse space (disambiguation) -- Coarse space (numerical analysis) -- Coarse structure -- Coarse topology -- Coase conjecture -- Coase theorem -- Coastline paradox -- Coates graph -- Coaxial --

Cobham's theorem -- Cobham's thesis -- Coble curve -- Coble hypersurface -- Coble surface -- Coble variety -- Cobordism -- Cobordism hypothesis -- Cobordism ring -- Cobweb plot -- Cochleoid -- Cochran–Armitage test for trend -- Cochran–Mantel–Haenszel statistics -- Cochran's C test -- Cochran's Q test -- Cochran's theorem -- Cochrane-Orcutt estimation -- Cocker's Arithmetick -- Cocker's Decimal Arithmetick -- Cocktail party graph -- Coclass -- Cocoloring -- Cocompact embedding -- Cocompact group action -- Cocountability -- Cocountable topology -- Cocurvature -- Cocycle -- Cocycle category -- Codazzi tensor -- Codd's cellular automaton -- Codd's theorem -- Code (set theory) -- Code of the Quipu -- Code property graph -- Codensity monad -- Codimension -- Coding gain -- Coding theory -- Codomain --

Coefficient -- Coefficient diagram method -- Coefficient matrix -- Coefficient of colligation -- Coefficient of determination -- Coefficient of fractional parentage -- Coefficient of multiple correlation -- Coefficient of variation -- Coefficients of potential -- Coequalizer -- Coercive function -- Coffman–Graham algorithm -- Cofibration -- Cofinal (mathematics) -- Cofinality -- Cofiniteness -- Coframe -- Cofree coalgebra -- Cofunction -- Coggeshall slide rule -- Cognitive holding power -- Cognitive pretesting -- Cognitively Guided Instruction -- Cograph -- Cohen algebra -- Cohen–Daubechies–Feauveau wavelet -- Cohen–Hewitt factorization theorem -- Cohen–Macaulay ring -- Cohen ring -- Cohen structure theorem -- Cohen's class distribution function -- Cohen's cryptosystem -- Cohen's h -- Cohen's kappa -- Coherence (philosophical gambling strategy) -- Coherence (statistics) -- Coherence condition -- Coherency (homotopy theory) -- Coherent algebra -- Coherent duality -- Coherent ring -- Coherent risk measure -- Coherent set of characters -- Coherent sheaf -- Coherent sheaf cohomology -- Coherent space -- Coherent states in mathematical physics -- Coherent topology -- Coherent topos -- Cohn-Vossen's inequality -- Cohn's irreducibility criterion -- Cohn's theorem -- Cohomological descent -- Cohomological dimension -- Cohomological invariant -- Cohomology -- Cohomology of a stack -- Cohomology of algebras -- Cohomology of algebras (disambiguation) -- Cohomology operation -- Cohomology ring -- Cohomology with compact support -- Cohomotopy set -- Cohort (statistics) --

Coiflet -- Coimage -- Coin flipping -- Coin problem -- Coin rotation paradox -- Coinage shapes -- Coincidence -- Coincidence point -- Coinduction -- Coins in a fountain -- Cointegration -- Cointerpretability -- Cokernel -- Cokurtosis -- Col (game) -- Colatitude -- Cole Prize -- Coleman-Mandula theorem -- Colin de Verdière graph invariant -- Colinear map -- Collaboration graph -- Collage theorem -- Collapse (topology) -- Collapsing algebra -- Collapsing manifold -- Collatz conjecture -- Collectanea Mathematica -- Collection (mathematics) -- Collectionwise Hausdorff space -- Collectionwise normal space -- Collectively exhaustive events -- College of Physical and Engineering Science (CPES) -- Collider (statistics) -- Collinearity -- Collineation -- Collision detection -- Collocation (remote sensing) -- Collocation method -- Colog -- Cologarithm -- Colombeau algebra -- Colon (punctuation) -- Color-coding -- Color model -- Colored graph -- Colored matroid -- Colossally abundant number -- Colour refinement algorithm -- Colpitts oscillator -- Column generation --

Comb space -- Combinant -- Combination -- Combinational logic -- Combinatorial biology -- Combinatorial chemistry -- Combinatorial class -- Combinatorial commutative algebra -- Combinatorial data analysis -- Combinatorial design -- Combinatorial explosion -- Combinatorial game theory -- Combinatorial Geometry in the Plane -- Combinatorial group theory -- Combinatorial map -- Combinatorial Mathematics Society of Australasia -- Combinatorial matrix theory -- Combinatorial mirror symmetry -- Combinatorial modelling -- Combinatorial number system -- Combinatorial optimization -- Combinatorial principles -- Combinatorial proof -- Combinatorial search -- Combinatorial species -- Combinatorial topology -- Combinatorica -- Combinatorics -- Combinatorics and dynamical systems -- Combinatorics and physics -- Combinatorics of Experimental Design -- Combinatorics of Finite Geometries -- Combinatorics on words -- Combinatorics, Probability and Computing -- Combinatory categorial grammar -- Combinatory logic -- Combined linear congruential generator -- Combs method -- Comma category -- Comma code -- Comma-free code -- Commandino's theorem -- Commensurability (group theory) -- Commensurability (mathematics) -- Commentarii Mathematici Helvetici -- Commercial minus sign -- Common antilogarithm -- Common cause and special cause (statistics) -- Common graph -- Common integrals in quantum field theory -- Common knowledge (logic) -- Common logarithm -- Common-method variance -- Common operator notation -- Commonality analysis -- Communication complexity -- Communication Theory of Secrecy Systems -- Communications in Algebra -- Communications in Contemporary Mathematics -- Communications in Mathematical Physics -- Communications in Statistics -- Communications on Pure and Applied Mathematics -- Community matrix -- Commutant-associative algebra -- Commutant lifting theorem -- Commutation matrix -- Commutation theorem for traces -- Commutative algebra -- Commutative diagram -- Commutative magma -- Commutative property -- Commutative ring -- Commutative ring spectrum -- Commutativity of conjunction -- Commutator -- Commutator collecting process -- Commutator subgroup -- Commutator subspace -- Commuting matrices -- Commuting probability -- Comodule -- Comodule over a Hopf algebroid -- Comonotonicity -- Compact cardinal -- Compact cardinal (disambiguation) -- Compact closed category -- Compact complement topology -- Compact convergence -- Compact element -- Compact embedding -- Compact finite difference -- Compact group -- Compact Lie algebra -- Compact object (mathematics) -- Compact-open topology -- Compact operator -- Compact operator on Hilbert space -- Compact quantum group -- Compact semigroup -- Compact space -- Compact stencil -- Compactification (mathematics) -- Compactly generated -- Compactly generated (disambiguation) -- Compactly generated group -- Compactly generated space -- Compactly supported homology -- Compactness measure of a shape -- Compactness theorem -- Compacton -- Companion matrix -- Comparability -- Comparability graph -- Comparametric equation -- Comparison function -- Comparison matrix -- Comparison of general and generalized linear models -- Comparison of linear algebra libraries -- Comparison of topologies -- Comparison of vector algebra and geometric algebra -- Comparison test -- Comparison theorem -- Comparison theorem (disambiguation) -- Comparison triangle -- Compartmental neuron models -- Compass (drawing tool) -- Compass-and-straightedge construction -- Compass equivalence theorem -- Compassion fade -- Compatible system of ℓ-adic representations -- Compensated CORDIC -- Competitive Lotka–Volterra equations -- Complement (complexity) -- Complement (group theory) -- Complement (set theory) -- Complement graph -- Complementarity theory -- Complementary event -- Complementary sequences -- Complementary series representation -- Complemented group -- Complemented lattice -- Complemented subspace -- Complete (complexity) -- Complete bipartite graph -- Complete Boolean algebra -- Complete category -- Complete coloring -- Complete Fermi–Dirac integral -- Complete field -- Complete filtration -- Complete graph -- Complete group -- Complete Heyting algebra -- Complete homogeneous symmetric polynomial -- Complete intersection -- Complete intersection ring -- Complete lattice -- Complete measure -- Complete metric space -- Complete numbering -- Complete partial order -- Complete quadrangle -- Complete quotient -- Complete sequence -- Complete set of invariants -- Complete spatial randomness -- Complete theory -- Complete topological vector space -- Complete variety -- Completely distributive lattice -- Completely metrizable space -- Completely multiplicative function -- Completely positive map -- Completely randomized design -- Completely regular semigroup -- Completely-S matrix -- Completely uniformizable space -- Completeness -- Completeness (logic) -- Completeness (order theory) -- Completeness (statistics) -- Completeness of atomic initial sequents -- Completeness of the real numbers -- Completing the square -- Completion of a ring -- Complex affine space -- Complex algebraic variety -- Complex analysis -- Complex analytic variety -- Complex-base system -- Complex cobordism -- Complex conjugate -- Complex conjugate line -- Complex conjugate of a vector space -- Complex conjugate representation -- Complex conjugate root theorem -- Complex convexity -- Complex coordinate space -- Complex differential form -- Complex dimension -- Complex dynamics -- Complex geodesic -- Complex geometry -- Complex group -- Complex group (disambiguation) -- Complex Hadamard matrix -- Complex hyperbolic space -- Complex inverse Wishart distribution -- Complex lamellar vector field -- Complex Lie algebra -- Complex Lie group -- Complex line -- Complex logarithm -- Complex manifold -- Complex measure -- Complex Mexican hat wavelet -- Complex multiplication -- Complex multiplication of abelian varieties -- Complex network -- Complex network zeta function -- Complex normal distribution -- Complex number -- Complex-oriented cohomology theory -- Complex plane -- Complex polygon -- Complex polytope -- Complex projective plane -- Complex projective space -- Complex quadratic polynomial -- Complex random variable -- Complex random vector -- Complex reflection group -- Complex representation -- Complex space -- Complex spacetime -- Complex squaring map -- Complex structure (disambiguation) -- Complex system -- Complex system biology -- Complex torus -- Complex vector bundle -- Complex wavelet transform -- Complex Wishart distribution -- Complexification -- Complexification (Lie group) -- Complexity -- Complexity (information theory) -- Complexity and Real Computation -- Complexity class -- Complexity function -- Complexity index -- Complexor -- Component (graph theory) -- Component (group theory) -- Component analysis (statistics) -- Component theorem -- Composant -- Composite Bézier curve -- Composite field (mathematics) -- Composite methods for structural dynamics -- Composite number -- Compositio Mathematica -- Composition (combinatorics) -- Composition algebra -- Composition of relations -- Composition operator -- Composition ring -- Composition series -- Compositional data -- Compositional pattern-producing network -- Compound annual growth rate -- Compound interest -- Compound matrix -- Compound of 5-cube and 5-orthoplex -- Compound of cube and octahedron -- Compound of cubes -- Compound of dodecahedron and icosahedron -- Compound of eight octahedra with rotational freedom -- Compound of eight triangular prisms -- Compound of five cubes -- Compound of five cuboctahedra -- Compound of five cubohemioctahedra -- Compound of five great cubicuboctahedra -- Compound of five great dodecahedra -- Compound of five great icosahedra -- Compound of five great rhombihexahedra -- Compound of five icosahedra -- Compound of five nonconvex great rhombicuboctahedra -- Compound of five octahedra -- Compound of five octahemioctahedra -- Compound of five rhombicuboctahedra -- Compound of five small cubicuboctahedra -- Compound of five small rhombihexahedra -- Compound of five small stellated dodecahedra -- Compound of five stellated truncated hexahedra -- Compound of five tetrahedra -- Compound of five tetrahemihexahedra -- Compound of five truncated cubes -- Compound of five truncated tetrahedra -- Compound of four cubes -- Compound of four hexagonal prisms -- Compound of four octahedra -- Compound of four octahedra with rotational freedom -- Compound of four tetrahedra -- Compound of four triangular prisms -- Compound of great icosahedron and great stellated dodecahedron -- Compound of octahedra -- Compound of six cubes -- Compound of six cubes with rotational freedom -- Compound of six decagonal prisms -- Compound of six decagrammic prisms -- Compound of six octahedra -- Compound of six pentagonal prisms -- Compound of six pentagrammic prisms -- Compound of six tetrahedra -- Compound of six tetrahedra with rotational freedom -- Compound of small stellated dodecahedron and great dodecahedron -- Compound of ten hexagonal prisms -- Compound of ten octahedra -- Compound of ten tetrahedra -- Compound of ten triangular prisms -- Compound of ten truncated tetrahedra -- Compound of tesseract and 16-cell -- Compound of tetrahedra -- Compound of three cubes -- Compound of three octahedra -- Compound of three tetrahedra -- Compound of twelve pentagonal antiprisms with rotational freedom -- Compound of twelve pentagonal prisms -- Compound of twelve pentagrammic prisms -- Compound of twelve tetrahedra with rotational freedom -- Compound of twenty octahedra -- Compound of twenty octahedra with rotational freedom -- Compound of twenty tetrahemihexahedra -- Compound of twenty triangular prisms -- Compound of two great dodecahedra -- Compound of two great icosahedra -- Compound of two great inverted snub icosidodecahedra -- Compound of two great retrosnub icosidodecahedra -- Compound of two great snub icosidodecahedra -- Compound of two icosahedra -- Compound of two inverted snub dodecadodecahedra -- Compound of two small stellated dodecahedra -- Compound of two snub cubes -- Compound of two snub dodecadodecahedra -- Compound of two snub dodecahedra -- Compound of two snub icosidodecadodecahedra -- Compound of two tetrahedra -- Compound of two truncated tetrahedra -- Compound Poisson distribution -- Compound Poisson process -- Compound probability distribution -- Comprehensive School Mathematics Program -- Compressed sensing -- Compression (functional analysis) -- Compression body -- Compression theorem -- Comptes Rendus Mathématique -- Computability in Analysis and Physics -- Computability in Europe -- Computability logic -- Computability theory -- Computable analysis -- Computable function -- Computable isomorphism -- Computable measure theory -- Computable model theory -- Computable number -- Computable ordinal -- Computable real function -- Computable topology -- Computation -- Computation in the limit -- Computation of cyclic redundancy checks -- Computation of radiowave attenuation in the atmosphere -- Computation of the permanent of a matrix -- Computation tree -- Computational anatomy -- Computational and Mathematical Organization Theory -- Computational cognition -- Computational complexity -- Computational complexity of mathematical operations -- Computational complexity of matrix multiplication -- Computational complexity theory -- Computational Diffie–Hellman assumption -- Computational electromagnetics -- Computational finance -- Computational geometry -- Computational Geometry (journal) -- Computational group theory -- Computational hardness assumption -- Computational indistinguishability -- Computational magnetohydrodynamics -- Computational mathematics -- Computational model -- Computational number theory -- Computational Optimization and Applications -- Computational physics -- Computational resource -- Computational science -- Computational statistics -- Computational Statistics & Data Analysis -- Computational Statistics (journal) -- Computational topology -- Computational tree logic -- Computationally bounded adversary -- Computer algebra -- Computer algebra system -- Computer-assisted proof -- Computer-Based Math -- Computer-based mathematics education -- Computer experiment -- Computer number format -- Computer representation of surfaces -- Computing (journal) -- Computing the Continuous Discretely -- Computing the permanent -- Computus --

Concatenated error correction code -- Concatenation theory -- Concave -- Concave (disambiguation) -- Concave function -- Concave polygon -- Concavification -- Conceiving Ada -- Concentration dimension -- Concentration inequality -- Concentration of measure -- Concentration parameter -- Concentric -- Concept image and concept definition -- Concepts of Modern Mathematics -- Conceptual graph -- Conceptual question -- Conchoid (mathematics) -- Conchoid of de Sluze -- Conchoid of Dürer -- Conchospiral -- Concolic testing -- Concomitant -- Concomitant (statistics) -- Concordance correlation coefficient -- Concordant pair -- Concrete category -- Concrete Mathematics -- Concrete number -- Concurrent lines -- Concurrent validity -- Concyclic points -- Concyclic polygon -- Condensation lemma -- Condensation point -- Condensed mathematics -- Condition number -- Conditional change model -- Conditional convergence -- Conditional dependence -- Conditional entropy -- Conditional event algebra -- Conditional expectation -- Conditional independence -- Conditional mutual information -- Conditional probability -- Conditional probability distribution -- Conditional probability table -- Conditional proof -- Conditional quantifier -- Conditional random field -- Conditional variance -- Conditionality principle -- Conditioned disjunction -- Conditioning (probability) -- Condorcet's jury theorem -- Conductance (graph) -- Conductor (class field theory) -- Conductor (ring theory) -- Conductor-discriminant formula -- Conductor of an abelian variety -- Conductor of an elliptic curve -- Cone -- Cone (algebraic geometry) -- Cone (category theory) -- Cone (topology) -- Cone algorithm -- Cone condition -- Cone of curves -- Cone-saturated -- Cone-shape distribution function -- Conference Board of the Mathematical Sciences -- Conference graph -- Conference matrix -- Confidence band -- Confidence distribution -- Confidence interval -- Confidence region -- Configural frequency analysis -- Configuration (geometry) -- Configuration (polytope) -- Configuration graph -- Configuration linear program -- Configuration space -- Configuration space (mathematics) -- Confirmation bias -- Confirmatory factor analysis -- Conflict-free coloring -- Confluent hypergeometric function -- Confocal -- Confocal conic sections -- Conformable matrix -- Conformal connection -- Conformal dimension -- Conformal equivalence -- Conformal field theory -- Conformal geometric algebra -- Conformal geometry -- Conformal gravity -- Conformal group -- Conformal Killing vector field -- Conformal map -- Conformal prediction -- Conformal radius -- Conformal symmetry -- Conformal welding -- Conformally flat manifold -- Confounding -- Confusion of the inverse -- Congeneric reliability -- Conglomerate (mathematics) -- Congressional App Challenge -- Congruence (general relativity) -- Congruence (geometry) -- Congruence (manifolds) -- Congruence coefficient -- Congruence ideal -- Congruence lattice problem -- Congruence of squares -- Congruence-permutable algebra -- Congruence relation -- Congruence subgroup -- Congruent isoscelizers point -- Congruent number -- Congruent transformation -- Congruent transformation (disambiguation) -- Congruum -- Conic bundle -- Conic constant -- Conic optimization -- Conic section -- Conical combination -- Conical coordinates -- Conical function -- Conical spiral -- Conical surface -- Conifold -- Conjecture -- Conjoint analysis -- Conjugacy class -- Conjugacy class sum -- Conjugacy-closed subgroup -- Conjugacy problem -- Conjugate (square roots) -- Conjugate diameters -- Conjugate element (field theory) -- Conjugate Fourier series -- Conjugate gradient method -- Conjugate index -- Conjugate-permutable subgroup -- Conjugate points -- Conjugate prior -- Conjugate residual method -- Conjugate transpose -- Conjugation -- Conjugation (disambiguation) -- Conjugation of isometries in Euclidean space -- Conjunction elimination -- Conjunction introduction -- Conjunctive grammar -- Conjunctive normal form -- Conley index theory -- Conley–Zehnder theorem -- Connected category -- Connected component -- Connected component (disambiguation) -- Connected dominating set -- Connected Mathematics -- Connected ring -- Connected space -- Connected sum -- Connectedness -- Connectedness locus -- Connectedness theorem -- Connection (affine bundle) -- Connection (algebraic framework) -- Connection (composite bundle) -- Connection (fibred manifold) -- Connection (mathematics) -- Connection (principal bundle) -- Connection (vector bundle) -- Connection form -- Connective constant -- Connective spectrum -- Connectivity (graph theory) -- Connector (mathematics) -- Connes embedding problem -- Connexive logic -- Conoid -- Conrad Wolfram -- Consecutive controlled case series -- Consecutive sampling -- Consensus-based assessment -- Consensus dynamics -- Consensus–expectations gap -- Consensus forecast -- Consensus theorem -- Consequentia mirabilis -- Conservation form -- Conservation law -- Conservative extension -- Conservative force -- Conservative functor -- Conservative system -- Conservative vector field -- Conserved current -- Conserved quantity -- Consistency -- Consistency (statistics) -- Consistent and inconsistent equations -- Consistent estimator -- Consistent heuristic -- Consistent pricing process -- Constance Kamii -- Constant (mathematics) -- Constant amplitude zero autocorrelation waveform -- Constant chord theorem -- Constant curvature -- Constant function -- Constant-mean-curvature surface -- Constant of integration -- Constant problem -- Constant-Q transform -- Constant-recursive sequence -- Constant scalar curvature Kähler metric -- Constant sheaf -- Constant strain triangle element -- Constant term -- Constrained Delaunay triangulation -- Constrained generalized inverse -- Constrained optimization -- Constraint (computational chemistry) -- Constraint (mathematics) -- Constraint counting -- Constraint graph -- Constraint graph (layout) -- Constraint hypergraph -- Constraint inference -- Constraint satisfaction problem -- Construct validity -- Constructibility -- Constructibility (disambiguation) -- Constructible function -- Constructible number -- Constructible polygon -- Constructible set (topology) -- Constructible sheaf -- Constructible topology -- Constructible universe -- Construction of an irreducible Markov chain in the Ising model -- Construction of the real numbers -- Constructions in hyperbolic geometry -- Constructive analysis -- Constructive Approximation -- Constructive cooperative coevolution -- Constructive dilemma -- Constructive function theory -- Constructive heuristic -- Constructive nonstandard analysis -- Constructive proof -- Constructive quantum field theory -- Constructive set theory -- Constructive solid geometry -- Constructivism (mathematics) -- Consumer math -- Consumption distribution -- Contact (mathematics) -- Contact dynamics -- Contact geometry -- Contact graph -- Contact process (mathematics) -- Contact type -- Container method -- Content (measure theory) -- Content validity -- Context-free grammar -- Context-sensitive grammar -- Context-sensitive language -- Contiguity -- Contiguity (probability theory) -- Contingency (philosophy) -- Contingency table -- Continuant (mathematics) -- Continuation map -- Continued fraction -- Continued fraction factorization -- Continuity correction -- Continuity equation -- Continuity in probability -- Continuity set -- Continuity theorem -- Continuity theorem (disambiguation) -- Continuous Bernoulli distribution -- Continuous big q-Hermite polynomials -- Continuous dual Hahn polynomials -- Continuous dual q-Hahn polynomials -- Continuous embedding -- Continuous function -- Continuous function (set theory) -- Continuous functional calculus -- Continuous functions on a compact Hausdorff space -- Continuous geometry -- Continuous group action -- Continuous Hahn polynomials -- Continuous Individualized Risk Index -- Continuous knapsack problem -- Continuous linear extension -- Continuous linear operator -- Continuous mapping theorem -- Continuous modelling -- Continuous module -- Continuous optimization -- Continuous or discrete variable -- Continuous poset -- Continuous predicate -- Continuous product -- Continuous q-Hahn polynomials -- Continuous q-Hermite polynomials -- Continuous q-Jacobi polynomials -- Continuous q-Laguerre polynomials -- Continuous q-Legendre polynomials -- Continuous stochastic process -- Continuous symmetry -- Continuous-time Markov process -- Continuous-time random walk -- Continuous-time stochastic process -- Continuous uniform distribution -- Continuous wavelet -- Continuous wavelet transform -- Continuously compounded nominal and real returns -- Continuum (measurement) -- Continuum (set theory) -- Continuum (topology) -- Continuum function -- Continuum hypothesis -- Continuum percolation theory -- Continuum structure function -- Contorsion tensor -- Contou-Carrère symbol -- Contour boxplot -- Contour integration -- Contour line -- Contour set -- Contourlet -- Contracted Bianchi identities -- Contractible space -- Contraction (operator theory) -- Contraction hierarchies -- Contraction mapping -- Contraction morphism -- Contraction principle -- Contraction principle (disambiguation) -- Contraction principle (large deviations theory) -- Contraction theorem -- Contradiction -- Contraharmonic mean -- Contranormal subgroup -- Contraposition -- Contraposition (traditional logic) -- Contrast (statistics) -- Contributions of Leonhard Euler to mathematics -- Control (optimal control theory) -- Control-flow graph -- Control function (econometrics) -- Control limits -- Control-Lyapunov function -- Control of chaos -- Control point (mathematics) -- Control reconfiguration -- Control system -- Control theory -- Control variable (programming) -- Control variates -- Control volume -- Contrôle Optimisation et Calcul des Variations -- Controllability -- Controllability Gramian -- Controlled invariant subspace -- Controller (control theory) -- Controlling for a variable -- Controversy over Cantor's theory -- Conull set -- Convection–diffusion equation -- Convenience sampling -- Convenient number -- Convenient vector space -- Convention concerning Statistics of Wages and Hours of Work, 1938 -- Convergence (logic) -- Convergence (mathematics) -- Convergence group -- Convergence in measure -- Convergence of Fourier series -- Convergence of measures -- Convergence of Probability Measures -- Convergence of random variables -- Convergence problem -- Convergence proof techniques -- Convergence space -- Convergence tests -- Convergent matrix -- Convergent series -- Convergent validity -- Converse (logic) -- Converse nonimplication -- Converse relation -- Converse theorem -- Conversion between quaternions and Euler angles -- Convex analysis -- Convex bipartite graph -- Convex body -- Convex cap -- Convex combination -- Convex cone -- Convex conjugate -- Convex curve -- Convex embedding -- Convex function -- Convex geometry -- Convex hull -- Convex hull algorithms -- Convex layers -- Convex measure -- Convex metric space -- Convex optimization -- Convex plane graph -- Convex polygon -- Convex Polyhedra (book) -- Convex polytope -- Convex Polytopes -- Convex set -- Convex subgraph -- Convex uniform honeycomb -- Convex volume approximation -- Convexity (algebraic geometry) -- Convexity (finance) -- Convexity correction -- Convexity in economics -- Convexoid operator -- Convolution -- Convolution of probability distributions -- Convolution power -- Convolution quotient -- Convolution random number generator -- Convolution theorem -- Convolutional code -- Convolutional sparse coding -- Conway algebra -- Conway base 13 function -- Conway chained arrow notation -- Conway circle -- Conway group -- Conway group Co1 -- Conway group Co2 -- Conway group Co3 -- Conway knot -- Conway–Maxwell–binomial distribution -- Conway–Maxwell–Poisson distribution -- Conway-Norton conjecture -- Conway notation (knot theory) -- Conway polyhedron notation -- Conway polynomial (finite fields) -- Conway puzzle -- Conway sphere -- Conway triangle notation -- Conway's 99-graph problem -- Conway's Game of Life -- Conway's LUX method for magic squares -- Conway's Soldiers --

Cook–Levin theorem -- Cook's distance -- Cool S -- Cooley–Tukey FFT algorithm -- Cooling and heating (combinatorial game theory) -- Coons patch -- Cooperative game -- Coopmans approximation -- Coopr -- Coorbit theory -- Coordinate-free -- Coordinate-induced basis -- Coordinate Rotation Digital Computer -- Coordinate singularity -- Coordinate system -- Coordinate systems for the hyperbolic plane -- Coordinate vector -- Coordination sequence -- Cop number -- Cop-win graph -- COPASI -- Copeland–Erdős constant -- Copenhagen interpretation -- Cophenetic correlation -- Coplanarity -- Copositive matrix -- Coprime integers -- Coproduct -- COPSS Distinguished Achievement Award and Lectureship -- COPSS Presidents' Award -- Copula (probability theory) -- Copying mechanism -- Copying network models --

Corank -- CORDIC -- Core (graph theory) -- Core (group theory) -- Core damage frequency -- Core model -- Core-Plus Mathematics Project -- Corecursion -- Corepresentations of unitary and antiunitary groups -- Coreset -- Corestriction -- Cornacchia's algorithm -- Corner -- Corner-point grid -- Corner solution -- Corner transfer matrix -- Corners theorem -- Cornish–Fisher expansion -- Cornish numerals -- Corollary -- Corona set -- Corona theorem -- Correct sampling -- Correlates of crime -- Correlation -- Correlation (projective geometry) -- Correlation clustering -- Correlation coefficient -- Correlation correction for attenuation -- Correlation dimension -- Correlation does not imply causation -- Correlation function -- Correlation function (astronomy) -- Correlation function (quantum field theory) -- Correlation function (statistical mechanics) -- Correlation gap -- Correlation immunity -- Correlation inequality -- Correlation integral -- Correlation ratio -- Correlation sum -- Correlogram -- Correspondence (algebraic geometry) -- Correspondence analysis -- Correspondence principle -- Correspondence theorem -- Corresponding conditional (logic) -- Corresponding sides and corresponding angles -- Corsi statistic --

Coset -- Coset construction -- Coset enumeration -- Coset leader -- Coshc function -- Cosheaf -- Coskewness -- Cosmic space -- Cosmic time -- Cosmic variance -- Cosmos (category theory) -- Cosocle -- Costa's minimal surface -- Costas array -- Costate equation -- Costate equations -- Cotangent bundle -- Cotangent complex -- Cotangent sheaf -- Cotangent space -- Cotes's spiral -- Cotlar–Stein lemma -- Cotorsion group -- Cotriple homology -- Cotton tensor -- Coulomb wave function -- Council for the Mathematical Sciences -- Count data -- Count-distinct problem -- Count On -- Countable chain condition -- Countable set -- Countably barrelled space -- Countably compact space -- Countably generated module -- Countably generated space -- Countably quasi-barrelled space -- Counter -- Counter (digital) -- Counterexample -- Counterexamples in Topology -- Counternull -- Counting -- Counting board -- Counting lemma -- Counting measure -- Counting on Frameworks -- Counting points on elliptic curves -- Counting process -- Counting quantification -- Counting rods -- Countryman line -- Couple -- Couple (disambiguation) -- Coupled map lattice -- Coupled mode theory -- Coupling (probability) -- Coupling from the past -- Coupon collector's problem -- Courant algebroid -- Courant bracket -- Courant–Friedrichs–Lewy condition -- Courant Institute of Mathematical Sciences -- Courant minimax principle -- Courcelle's theorem -- Cours d'Analyse -- Course-of-values recursion -- Cousin prime -- Cousin problems -- Cousin's theorem --

Covariance -- Covariance (disambiguation) -- Covariance and contravariance -- Covariance and contravariance (disambiguation) -- Covariance and contravariance of vectors -- Covariance and correlation -- Covariance function -- Covariance intersection -- Covariance matrix -- Covariance operator -- Covariant (invariant theory) -- Covariant classical field theory -- Covariant derivative -- Covariant transformation -- Cover (algebra) -- Cover (topology) -- Coverage data -- Coverage error -- Covering code -- Covering graph -- Covering group -- Covering groups of the alternating and symmetric groups -- Covering lemma -- Covering number -- Covering problem of Rado -- Covering problems -- Covering relation -- Covering set -- Covering space -- Covering system -- Covering theorem -- Covering theorem (disambiguation) --

Cowbellpedia -- Cox–Ingersoll–Ross model -- Cox process -- Cox ring -- Cox–Zucker machine -- Cox's theorem -- Coxeter complex -- Coxeter decompositions of hyperbolic polygons -- Coxeter–Dynkin diagram -- Coxeter element -- Coxeter graph -- Coxeter group -- Coxeter–James Prize -- Coxeter matroid -- Coxeter notation -- Coxeter–Todd lattice -- Coxeter's loxodromic sequence of tangent circles -- CR manifold -- Crackling noise -- Cracovian -- Craig interpolation -- Craig's theorem -- Cram (game) -- Cram (games) -- Cramer–Castillon problem -- Cramér–Rao bound -- Cramér–von Mises criterion -- Cramér–Wold theorem -- Cramér's conjecture -- Cramér's decomposition theorem -- Cramer's paradox -- Cramer's rule -- Cramér's theorem -- Cramer's theorem (algebraic curves) -- Cramér's theorem (large deviations) -- Cramér's V -- Crank conjecture -- Crank–Nicolson method -- Crank of a partition -- Craps principle --

CRC Concise Encyclopedia of Mathematics -- Creative and productive sets -- Credal network -- Credal set -- Credence (statistics) -- Credible interval -- Crelle's Journal -- Cremona group -- Cremona–Richmond configuration -- Crenel function -- Crepant resolution -- Crew scheduling -- Crinkled arc -- Crisis (dynamical systems) -- Crispin Wright -- Criss-cross algorithm -- Criterion validity -- Critical exponent of a word -- Critical graph -- Critical group -- Critical mathematics pedagogy -- Critical pair -- Critical pair (order theory) -- Critical point -- Critical point (disambiguation) -- Critical point (mathematics) -- Critical point (set theory) -- Critical Rationalism -- Critical thinking -- Critical value -- Criticism of nonstandard analysis --

CRM-Fields-PIMS prize -- Crocheting Adventures with Hyperbolic Planes -- Crofton formula -- Cromwell's rule -- Cronbach's alpha -- Crop circle -- Crore -- Cross-correlation -- Cross-correlation matrix -- Cross-covariance -- Cross-covariance matrix -- Cross entropy -- Cross-entropy method -- Cross-figure -- Cross Gramian -- Cross-multiplication -- Cross-polytope -- Cross product -- Cross product (disambiguation) -- Cross-ratio -- Cross section (geometry) -- Cross-sectional regression -- Cross-species transmission -- Cross-validation (statistics) -- Crossbar theorem -- Crosscap number -- Crossed ladders problem -- Crossed module -- Crossed pentagonal cuploid -- Crossed pentagrammic cupola -- Crossed product -- Crossed square cupola -- Crossing number -- Crossing number (disambiguation) -- Crossing number (graph theory) -- Crossing number (knot theory) -- Crossing number inequality -- Crossing Numbers of Graphs -- Crout matrix decomposition -- Crouzeix's conjecture -- Crown graph --

Cruciform curve -- Crumpled cube -- Crumpling -- Crunch (games) -- Crunode -- Cryptanalysis -- Cryptographic hash function -- Cryptographic multilinear map -- Cryptography -- Cryptomorphism -- Cryptonomicon -- Crystal (mathematics) -- Crystal Ball function -- Crystal base -- Crystal structure -- Crystal system -- Crystalline cohomology -- Crystallographic point group -- Crystallographic restriction theorem -- Császár polyhedron -- CSS code -- Cuban prime -- Cube -- Cube (1997 film) -- Cube (algebra) -- Cube-connected cycles -- Cube root -- Cube root of two -- Cube Zero -- Cubic -- Cubic (disambiguation) -- Cubic cupola -- Cubic equation -- Cubic field -- Cubic form -- Cubic function -- Cubic graph -- Cubic group -- Cubic group (disambiguation) -- Cubic harmonic -- Cubic Hermite spline -- Cubic honeycomb -- Cubic honeycomb honeycomb -- Cubic-icosahedral honeycomb -- Cubic mean -- Cubic-octahedral honeycomb -- Cubic plane curve -- Cubic pyramid -- Cubic reciprocity -- Cubic-square tiling honeycomb -- Cubic surface -- Cubic threefold -- Cubic-triangular tiling honeycomb -- Cubical complex -- Cubical set -- Cubitruncated cuboctahedron -- Cuboctahedral prism -- Cuboctahedral pyramid -- Cuboctahedron -- Cubohemioctahedron -- Cuboid -- Cuboid conjectures --

Cucconi test -- Cuckoo search -- Cue validity -- Cuerda seca -- Cuisenaire rods -- Cullen number -- Cullen prime -- Cultural algorithm -- Cumulant -- Cumulant-generating function -- Cumulative accuracy profile -- Cumulative distribution function -- Cumulative frequency (disambiguation) -- Cumulative frequency analysis -- Cumulative hierarchy -- Cun (angle) -- Cunningham chain -- Cunningham function -- Cunningham number -- Cunningham's rule -- Cuntz algebra -- Cup product -- Cupola (geometry) -- CUR matrix approximation -- Curie's Principle -- Curious George (TV series) -- Curl (mathematics) -- Curl operator -- Current (mathematics) -- Current algebra -- Current Index to Statistics -- Curry–Howard correspondence -- Curry's paradox -- Currying -- Curse of dimensionality -- Curta -- Curtis–Hedlund–Lyndon theorem -- Curvature -- Curvature form -- Curvature invariant -- Curvature invariant (general relativity) -- Curvature of a measure -- Curvature of Riemannian manifolds -- Curvature of Space and Time, with an Introduction to Geometric Analysis -- Curvature tensor -- Curvature tensor (disambiguation) -- Curve -- Curve complex -- Curve fitting -- Curve-fitting compaction -- Curve of constant width -- Curve orientation -- Curve-shortening flow -- Curve sketching -- Curve25519 -- Curve448 -- Curved space -- Curvelet -- Curvilinear coordinates -- Curvilinear perspective --

Cusp (singularity) -- Cusp form -- Cusp neighborhood -- Cuspidal representation -- CUSUM -- Cut (graph theory) -- Cut-elimination theorem -- Cut locus -- Cut locus (Riemannian manifold) -- Cut point -- Cut rule -- Cuthill–McKee algorithm -- Cutler's bar notation -- Cutting-plane method -- Cutting sequence -- Cutting stock problem -- Cutwidth -- Cuzick–Edwards test -- CW complex -- Cyberchase -- Cybernetics -- Cycle (graph theory) -- Cycle basis -- Cycle decomposition -- Cycle decomposition (disambiguation) -- Cycle decomposition (graph theory) -- Cycle detection -- Cycle double cover -- Cycle graph -- Cycle graph (algebra) -- Cycle index -- Cycle notation -- Cycle per second -- Cycle rank -- Cycle space -- Cycles and fixed points -- Cyclic (mathematics) -- Cyclic algebra -- Cyclic and separating vector -- Cyclic category -- Cyclic code -- Cyclic cover -- Cyclic group -- Cyclic homology -- Cyclic module -- Cyclic negation -- Cyclic number -- Cyclic number (group theory) -- Cyclic order -- Cyclic permutation -- Cyclic polytope -- Cyclic quadrilateral -- Cyclic reduction -- Cyclic redundancy check -- Cyclic sieving -- Cyclic subspace -- Cyclic surgery theorem -- Cyclic symmetries -- Cyclic vector -- Cyclical monotonicity -- Cyclically ordered group -- Cyclically reduced word -- Cyclocycloid -- Cyclogon -- Cyclohedron -- Cycloid -- Cyclometric function -- Cyclostationary process -- Cyclotomic character -- Cyclotomic fast Fourier transform -- Cyclotomic field -- Cyclotomic identity -- Cyclotomic polynomial -- Cyclotomic unit -- Cyclotruncated 5-simplex honeycomb -- Cyclotruncated 6-simplex honeycomb -- Cyclotruncated 7-simplex honeycomb -- Cyclotruncated 8-simplex honeycomb -- Cyclotruncated simplectic honeycomb --

CYK algorithm -- Cylinder -- Cylinder (algebra) -- Cylinder set -- Cylinder set measure -- Cylindric algebra -- Cylindrical σ-algebra -- Cylindrical algebraic decomposition -- Cylindrical coordinate system -- Cylindrical harmonics -- Cylindrical multipole moments -- Cylindrification -- Cylindroid -- Cyprus Mathematical Society -- Cyrillic numerals -- Cyrus–Beck algorithm --