Timeline for What is the "right" definition of the homology(cohomology) of an orbifold?
Current License: CC BY-SA 3.0
11 events
| when toggle format | what | by | license | comment | |
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| May 14, 2020 at 19:01 | history | edited | Martin Sleziak |
removed the deprecated (geometry) tag
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| May 18, 2016 at 15:46 | history | edited | David White | CC BY-SA 3.0 |
Fixed typos
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| Feb 27, 2012 at 5:09 | comment | added | Yan X Zhang | sorry, quick question: why do you say that the homology of the underlying space does not contain much information? | |
| Oct 6, 2011 at 0:16 | comment | added | David Roberts♦ | I second Tyler's remark, where we understand that orbifolds can be thought of as stacks (see Lerman's nice article 'Orbifolds as stacks?') | |
| Oct 5, 2011 at 16:37 | answer | added | David Roberts♦ | timeline score: 8 | |
| Oct 5, 2011 at 16:35 | comment | added | Tyler Lawson | Have you looked at Kai Behrend's notes defining singular cohomology for topological stacks? ictp.it/%7Epub_off/lectures/lns019/Behrend/Behrend.pdf | |
| Oct 5, 2011 at 16:21 | answer | added | john mangual | timeline score: 6 | |
| Oct 5, 2011 at 16:15 | comment | added | Joseph O'Rourke | See also this MO question: "Why isn't the orbifold cohomology of pt/G equal to the cohomology of BG?" mathoverflow.net/questions/57186 | |
| Oct 5, 2011 at 16:08 | answer | added | Michael Joyce | timeline score: 2 | |
| Oct 5, 2011 at 16:04 | answer | added | Angelo | timeline score: 4 | |
| Oct 5, 2011 at 15:35 | history | asked | Lin Jianfeng | CC BY-SA 3.0 |