Timeline for Codimension one submanifold gives cofibrant pair
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Feb 24, 2022 at 10:13 | history | undeleted | Someone | ||
| Feb 24, 2022 at 10:13 | history | deleted | Someone | via Vote | |
| Mar 11, 2021 at 16:44 | history | edited | Someone |
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| Mar 11, 2021 at 10:44 | comment | added | Mark Grant | Milnor&Stasheff's "Characteristic Classes" Theorem 11.1 claims that tubular neghbourhoods exist in general, and cite Lang's "Introduction to differentiable manifolds" for the proof. I also believe that it should be possible to triangulate the pair $(M,N)$, so that the result follows from the general fact that a subcomplex of a CW-complex is a cofibration, see my answer to mathoverflow.net/q/206212/8103 and the comments there. (Not an answer as I don't have time to check these references myself!) | |
| Mar 11, 2021 at 7:22 | history | asked | Someone | CC BY-SA 4.0 |