14 June 2021
- 03:0603:06, 14 June 2021 diff hist +883 User talk:David Eppstein →https://en.wikipedia.org/wiki/Power_of_a_point (Laguerre's Theorem): new section
2 June 2021
- 17:5117:51, 2 June 2021 diff hist −9 m Quadric fixed broken link
8 August 2020
- 15:0015:00, 8 August 2020 diff hist −709 Talk:Linear system of conics Adam Coffman reference - went ahead and fixed it myself.
- 14:5614:56, 8 August 2020 diff hist −153 m Linear system of conics replaced an archived link with a living link current
- 14:3414:34, 8 August 2020 diff hist 0 m Linear system of conics fixed broken link to external media
6 August 2020
- 20:3920:39, 6 August 2020 diff hist +643 Talk:Linear system of conics →Adam Coffman reference: new section
17 March 2020
- 22:4322:43, 17 March 2020 diff hist −36 m Perspectivity Fixed broken link
6 January 2020
- 21:0121:01, 6 January 2020 diff hist 0 m Cubic plane curve fixed broken links to Bernard Gibert's site
6 November 2019
- 17:2717:27, 6 November 2019 diff hist +1 m Delrina Mount Pleasant Rd., not St.
24 April 2019
- 19:5319:53, 24 April 2019 diff hist −8 m Ye olde Fixed a broken External section link
20 February 2018
- 23:3623:36, 20 February 2018 diff hist +4 m Arithmetic dynamics fixed broken link
- 23:3423:34, 20 February 2018 diff hist +4 m Arithmetic dynamics fixed broken link
10 June 2010
- 18:1518:15, 10 June 2010 diff hist −1 m Liepa changed 'retired'(misleading) to 'former'(more accurate)
9 June 2010
- 15:0415:04, 9 June 2010 diff hist +11 Peter Liepa →External links: Replaced interview link with link to primary source. Former link was to a secondary source (which was a copy of the original interview)
27 November 2009
- 00:3000:30, 27 November 2009 diff hist −25 m Peter Liepa Removed category 1953 births for privacy reasons.
- 00:2800:28, 27 November 2009 diff hist −29 Peter Liepa Deleted inappropriate personal details, for privacy reasons.
- 00:2500:25, 27 November 2009 diff hist −1 m Peter Liepa Changed "retired" to "former"
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