Timeline for First usage of the terms pseudo-isotopy and concordance in manifold theory
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 5, 2023 at 0:35 | answer | added | Danny Ruberman | timeline score: 1 | |
| Oct 4, 2023 at 21:56 | answer | added | John Klein | timeline score: 0 | |
| Oct 4, 2023 at 21:51 | answer | added | Gael Meigniez | timeline score: 1 | |
| May 20, 2023 at 3:47 | review | Close votes | |||
| May 30, 2023 at 3:09 | |||||
| May 20, 2023 at 3:29 | comment | added | LSpice | I’m voting to close this question because it seems better for HSM. | |
| May 20, 2023 at 2:07 | comment | added | Ryan Budney | @AllenHatcher: Cerf does not appear to be using the language of pseudoisotopy in 1962/63, so perhaps it wasn't standardized until Milnor's notes? | |
| May 20, 2023 at 1:34 | comment | added | Allen Hatcher | I believe Bing used the term pseudo-isotopy in a different sense from what you have in mind. In Bing's sense a pseudo-isotopy is a 1-parameter family of maps $f_t$, $0\leq t\leq 1$, which are homeomorphisms for $t<1$ but with $f_1$ allowed to collapse nontrivial subspaces to points. | |
| May 19, 2023 at 18:57 | history | asked | Ryan Budney | CC BY-SA 4.0 |