Timeline for Topological obstruction for the existence of spin$^c$ structure
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Jan 15, 2017 at 19:50 | comment | added | Ulrich Pennig | @truebaran A good starting point to read about lifting bundle gerbes is Murray's paper "An introduction to bundle gerbes". Section 6.1 contains the things about the obstruction class I mentioned. | |
| Jan 14, 2017 at 13:42 | comment | added | truebaran | Thank you for such great answer. Could you please give some references? For example where I can find the proof that $\beta(w_2(M))=\delta(M)$ (Dixmier Doaudy class) or details/proofs about the geometric construction which you described? | |
| Jan 13, 2017 at 18:07 | comment | added | Ulrich Pennig | There is also a direct connection with bundles of compact operators via groupoid C*-algebras .. | |
| Jan 13, 2017 at 17:20 | history | edited | Ulrich Pennig | CC BY-SA 3.0 |
added 1776 characters in body, I hope Donald doesn't show up - there is a lot of $P$ here...
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| Jan 13, 2017 at 17:14 | history | edited | Ulrich Pennig | CC BY-SA 3.0 |
added 1776 characters in body
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| Jan 13, 2017 at 16:54 | history | answered | Ulrich Pennig | CC BY-SA 3.0 |