Skip to main content
7 events
when toggle format what by license comment
Aug 28, 2021 at 22:08 vote accept piper1967
Aug 28, 2021 at 22:08 vote accept piper1967
Aug 28, 2021 at 22:08
Aug 5, 2021 at 6:42 comment added Denis Nardin The lemma is also a straightforward application of the Serre spectral sequence to the fibration $\tilde X\to X \to B\pi_1X$ (where $\tilde X$ is the universal covering so that we can identify the Hurewicz map with $H_2\tilde X\to H_2 X$).
Aug 4, 2021 at 16:35 history edited Dan Petersen CC BY-SA 4.0
edited body
Aug 4, 2021 at 16:29 history edited mme CC BY-SA 4.0
deleted 122 characters in body
Aug 4, 2021 at 16:09 comment added mme Notice that by use of simplicial approximation one may assume that $X_G$ is a simplicial complex, not merely a CW complex.
Aug 4, 2021 at 16:08 history answered mme CC BY-SA 4.0