Timeline for Fundamental group of a topological pullback
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| May 31, 2013 at 8:40 | comment | added | Mark Grant | And I now see that this is what @Jeff Strom was getting at in his comment above. | |
| May 31, 2013 at 8:35 | comment | added | Mark Grant | I've accepted Oscar's answer as it came first, but this is the reference I was looking for, thank you. In particular I now see that Oscar's exact sequence is nothing other than the homotopy exact sequence of the fibration $E\to X\times Y$ which is the homotopy pullback of the diagonal map of $Z$ under $f\times g:X\times Y\to Z\times Z$. | |
| May 30, 2013 at 22:46 | history | answered | Peter May | CC BY-SA 3.0 |