List questions from homology-cohomology | MathQa

Proof of : "Signature of $\mathbb{C}P^{2n}$ is $1$"

Published on 29 Dec 2024 - 18:30

Equality $H^i(K,\mathcal{F}_{|K})=\varinjlim_{U\supset K}H^i(U,\mathcal{F}_{|U})$ for a constructible sheaf

Published on 27 Dec 2024 - 4:45

Question about Gysin map (pushforward in cohomology)

Published on 12 Jan 2025 - 8:53

Why are simplicial complexes modules?

Published on 12 Jan 2025 - 8:59

Computing real de Rham cohomology of Hironaka's 3-manifold example

Published on 26 Dec 2024 - 18:16

Simpler way of computing the first homology group of $\Delta^4$ (without the interior)?

Published on 12 Jan 2025 - 8:58

First Cohomology group trivial for a simply connected manifold?

Published on 12 Jan 2025 - 8:59

Faulty Argument: Chern number of U(1)-bundle over $T^2$ is zero?

Published on 12 Jan 2025 - 8:49

About rational Hodge conjecture.

Published on 12 Jan 2025 - 22:58

Homotopic vs. homologous simplices/chains

Published on 12 Jan 2025 - 8:58