Revision as of 06:31, 19 December 2014 edit Erel Segal (talk \| contribs) Extended confirmed users, IP block exemptions 14,576 edits No edit summary ← Previous edit		Revision as of 18:30, 23 January 2015 edit undo 206.214.242.230 (talk) →Is convexity required? Next edit →
Line 179: It could be good to show an example of a non-convex set on which the result does not hold. --[[User:Erel Segal\|Erel Segal]] ([[User talk:Erel Segal\|talk]]) 06:31, 19 December 2014 (UTC) * For a ''compact'' convex set, which that it is homeomorphic to a ball. So e.g. an annulus is compact non-convex, and a rotation maps it to itself without fixpoint. --[[Special:Contributions/206.214.242.230\|206.214.242.230]] ([[User talk:206.214.242.230\|talk]]) 18:30, 23 January 2015 (UTC)

Talk:Brouwer fixed-point theorem: Difference between revisions