Timeline for About mod 2 Index of Dirac Operators in 3D on Non-Orientable Manifold
Current License: CC BY-SA 4.0
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| Sep 5, 2018 at 2:47 | history | edited | Arun Debray | CC BY-SA 4.0 |
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| Sep 5, 2018 at 2:05 | comment | added | Arun Debray | Witten is defining pin$^+$ structures on $\mathit{KB}$ and $\mathit{KB}\times S^1$, not spin structures. (These only differ on unorientable manifolds.) See Appendix A.2 of Witten's paper. | |
| Aug 30, 2018 at 14:31 | history | asked | Weicheng Ye | CC BY-SA 4.0 |