Timeline for Crossed module structure on homotopy groups
Current License: CC BY-SA 3.0
12 events
| when toggle format | what | by | license | comment | |
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| May 19, 2017 at 10:28 | history | edited | Qfwfq | CC BY-SA 3.0 |
added 1 character in body
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| May 18, 2017 at 23:02 | history | edited | Omar Antolín-Camarena | CC BY-SA 3.0 |
added missing inverse in definition of crossed module
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| Jun 22, 2011 at 10:21 | answer | added | Ronnie Brown | timeline score: 6 | |
| Apr 20, 2011 at 16:44 | answer | added | Sergey Melikhov | timeline score: 6 | |
| Aug 18, 2010 at 18:07 | vote | accept | Josh | ||
| Aug 18, 2010 at 17:54 | answer | added | Tim Porter | timeline score: 18 | |
| Aug 18, 2010 at 17:45 | history | edited | Tom Goodwillie | CC BY-SA 2.5 |
edited body
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| Aug 18, 2010 at 17:22 | comment | added | Harry Gindi | Brown has a book that puts a lot of his papers into perspective called Topology and Groupoids (2006). It's available in e-book form for 5 pound sterling at store.kagi.com/cgi-bin/store.cgi?storeID=6FEPD_LIVE . | |
| Aug 18, 2010 at 16:51 | comment | added | Josh | I've looked at the (older) preprint of the book and a few article by Brown. I probably should have mentioned this in the OP but I was wondering if there were other applications. In particular I'd like to see specific constructions or applications of, say, the higher homotopy van kampen. But thanks, I'll look at the newer one. | |
| Aug 18, 2010 at 16:08 | comment | added | Harry Gindi | Actually, Brown, Higgins, and Sivera just put out a new preprint version of their upcoming book on nonabelian algebraic topology, which uses crossed modules/crossed complexes as the main computational tool. bangor.ac.uk/~mas010/arbrsbookb-e0410.pdf | |
| Aug 18, 2010 at 16:00 | comment | added | Harry Gindi | Might I suggest you take a look at Ronnie Brown's book on higher homotopy groupoids and the higher Van Kampen theorem? It develops the approach via crossed modules/crossed complexes. | |
| Aug 18, 2010 at 15:56 | history | asked | Josh | CC BY-SA 2.5 |