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Feb 6, 2019 at 23:08 vote accept David Levit-Gurevich
Feb 6, 2019 at 23:07 comment added David Levit-Gurevich Thank you very much. This is very helpful. Can you extend this method for computing $d_2:H^p(G/N,H^1(N,\mathbb{C}^*))\to H^{p+2}(G/N,\mathbb{C}^*)$ for all $p$? Your method reminds me of a snake lemma. Can you explain where it comes from?
Feb 6, 2019 at 18:35 history answered Tyler Lawson CC BY-SA 4.0