Talk:Collapse (topology)
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coface needs a definition —Preceding unsigned comment added by 74.71.239.188 (talk) 14:14, 18 April 2010 (UTC)
Just wanted to point out that any contractible complex is simple homotopy equivalent to a point, and have edited the article to reflect this. — Preceding unsigned comment added by 192.76.7.198 (talk) 17:12, 18 January 2013 (UTC)
Intuitive description? edit
Is there any intuitive description or example of the concept of collapse that, at least in my opinion, would make the concept more accessible to non-mathematicians (like me) and thus would maybe enrich the article? --131.152.224.31 (talk) 09:38, 12 October 2011 (UTC)
Homotopy type edit
How are collapses related to homotopy? For example if we consider delta complexes. — Preceding unsigned comment added by 134.102.112.208 (talk) 09:50, 15 August 2016 (UTC)