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Timeline for Mayer-Vietoris implies Excision

Current License: CC BY-SA 3.0

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May 23, 2012 at 2:43 comment added Paul Siegel This is very promising! The specific functor I care about actually is defined on pairs, and I think it is even true that $h_n(X,A) = h_n(C_A X, pt)$ as you stipulate. I'll try this idea...
May 22, 2012 at 9:08 history answered Lennart Meier CC BY-SA 3.0