Timeline for Definition of the symmetric algebra in arbitrary characteristic for graded vector spaces
Current License: CC BY-SA 2.5
6 events
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| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| Nov 30, 2009 at 8:36 | comment | added | Marc Nieper-Wißkirchen | In any characteristic, the right Hopf algebra should be the functions on the group scheme of second roots of unity as this also makes sense over the integers. This still leaves the question on how to define the braiding over the integers. | |
| Nov 29, 2009 at 14:23 | comment | added | Qiaochu Yuan | Right. My guess is that one should be able to substitute a different Hopf algebra in characteristic 2 that allows you to recover squaring odd elements to zero, but I haven't really thought about it. | |
| Nov 29, 2009 at 10:40 | comment | added | Marc Nieper-Wißkirchen | So you are saying that the usual definition of a graded vector space only makes sense away from 2, right? | |
| Nov 28, 2009 at 22:53 | history | edited | Qiaochu Yuan | CC BY-SA 2.5 |
added 8 characters in body
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| Nov 28, 2009 at 22:25 | history | answered | Qiaochu Yuan | CC BY-SA 2.5 |