WikiProject iconMathematics Start‑class Low‑priority
WikiProject iconThis article is within the scope of WikiProject Mathematics, a collaborative effort to improve the coverage of mathematics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.
StartThis article has been rated as Start-class on Wikipedia's content assessment scale.
 Low This article has been rated as Low-priority on the project's priority scale.

This article is misleading as it gives no clue about diversity of tangent cones. There are plenty of them (like Clarke cone, contingent cone etc.) — Preceding unsigned comment added by 31.63.168.77 (talk) 17:31, 18 December 2012 (UTC)Reply[reply]

Good point, I've edited the article to mention those. Melchoir (talk) 08:37, 21 March 2014 (UTC)Reply[reply]

Update Notation[edit]

The math notation needs to be updated on this page. It should use latex whenever possible. — Preceding unsigned comment added by 70.59.20.131 (talk) 03:03, 29 August 2017 (UTC)Reply[reply]