Question

Induced group action on cohomology of vector bundle

score 205 · Answer 1 · 2026-03-29 07:19:48

205

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Induced group action on cohomology of vector bundle

Published on 29 Mar 2026 - 7:19

score 40 · Answer 2 · 2026-03-26 10:59:36

40

Views

Details of the self-map on $BO_\infty$ which exchanges tangential and stable-normal structures?

Published on 26 Mar 2026 - 10:59

score 136 · Answer 3 · 2026-04-06 10:18:49

136

Views

Quotienting a curve by finite automorphism subgroup.

Published on 06 Apr 2026 - 10:18

score 398 · Answer 4 · 2026-03-26 11:04:11

398

Views

Is a classifying space of $S^1$ the $S^1$ itself?

Published on 26 Mar 2026 - 11:04

score 48 · Answer 5 · 2022-06-25 04:34:12

48

Views

About the symplectic neighbourhood theorem.

Published on 25 Jun 2022 - 4:34

score 109 · Answer 6 · 2026-03-28 20:11:36

109

Views

Characteristic classes in $H^2(\; ;\mathbb{C})$ for complex line bundles. (Milnor and Stasheff, Charateristic Classes, page 306).

Published on 28 Mar 2026 - 20:11

score 30 · Answer 7 · 2026-03-28 20:09:34

30

Views

Uniqueness of $\hat{\nabla}:C^{\infty}(\tau^{}_\mathbb{C} \otimes \zeta) \to C^{\infty}(\Lambda^2 \tau^{}_\mathbb{C} \otimes \zeta)$

Published on 28 Mar 2026 - 20:09

score 270 · Answer 8 · 2022-06-26 05:30:33

270

Views

Lemma 10.32 of Lee's Introduction to Smooth Manifolds

Published on 26 Jun 2022 - 5:30

score 33 · Answer 9 · 2022-06-28 05:27:29

33

Views

Bridgeland stability conditions: proving continuity of $\log \frac{m_{\sigma_2}(E)}{m_{\sigma_1}(E)}$

Published on 28 Jun 2022 - 5:27

score 82 · Answer 10 · 2026-03-26 16:05:45

82

Views

Coarse moduli space for semi-stable vector bundles on a curve.

Published on 26 Mar 2026 - 16:05

score 35 · Answer 11 · 2022-06-30 19:45:43

35

Views

Is there a name for smooth map $\Pi:M\to\mathcal{L}(R^l)$ such that $\Pi(p)$ is an orthogonal projection and $\dim\Pi(p)$ is constant for all$p\in M$?

Published on 30 Jun 2022 - 19:45

score 75 · Answer 12 · 2022-07-01 10:41:37

75

Views

Extensions of Vector Bundles on Elliptic Curves

Published on 01 Jul 2022 - 10:41

score 57 · Answer 13 · 2026-03-28 20:10:31

57

Views

Obstruction for existence of section of projective space bundle obtained from vector bundle?

Published on 28 Mar 2026 - 20:10

score 111 · Answer 14 · 2026-03-28 20:07:48

111

Views

How to prove Poincaré-Hopf in the non-orientable case?

Published on 28 Mar 2026 - 20:07

score 190 · Answer 15 · 2026-02-23 18:44:23

190

Views

Why the "horizontal" in exterior covariant derivative

Published on 23 Feb 2026 - 18:44

List Question

Induced group action on cohomology of vector bundle

Details of the self-map on $BO_\infty$ which exchanges tangential and stable-normal structures?

Quotienting a curve by finite automorphism subgroup.

Is a classifying space of $S^1$ the $S^1$ itself?

About the symplectic neighbourhood theorem.

Characteristic classes in $H^2(\; ;\mathbb{C})$ for complex line bundles. (Milnor and Stasheff, Charateristic Classes, page 306).

Uniqueness of $\hat{\nabla}:C^{\infty}(\tau^{}_\mathbb{C} \otimes \zeta) \to C^{\infty}(\Lambda^2 \tau^{}_\mathbb{C} \otimes \zeta)$

Lemma 10.32 of Lee's Introduction to Smooth Manifolds

Bridgeland stability conditions: proving continuity of $\log \frac{m_{\sigma_2}(E)}{m_{\sigma_1}(E)}$

Coarse moduli space for semi-stable vector bundles on a curve.

Is there a name for smooth map $\Pi:M\to\mathcal{L}(R^l)$ such that $\Pi(p)$ is an orthogonal projection and $\dim\Pi(p)$ is constant for all$p\in M$?

Extensions of Vector Bundles on Elliptic Curves

Obstruction for existence of section of projective space bundle obtained from vector bundle?

How to prove Poincaré-Hopf in the non-orientable case?

Why the "horizontal" in exterior covariant derivative

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