List questions from symplectic-geometry

Published on 19 Aug 2017 - 14:11

1k

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Is integrability of the almost complex structure redundant in the definition of Kähler manifolds?

Published on 27 Mar 2026 - 1:04

132

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Action-angle variables in a 2 degree of freedom integrable Hamiltonian?

Published on 25 Mar 2026 - 11:16

259

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Showing that vector field $X$ defined by $X_p := \widehat{\omega_p}^{-1}(\alpha_p)$ is smooth

Published on 25 Aug 2017 - 23:36

288

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A characterisation of Hamiltonian vector fields.

Published on 27 Aug 2017 - 15:31

318

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Show that $g_*X = X$ for a symplectomorphism $g$ (Lectures on Symplectic Geometry Exercise)

Published on 27 Aug 2017 - 16:03

54

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Problem with a proof in my notes: why do I get that converging subsequence?

Published on 28 Aug 2017 - 21:44

128

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Question on showing that $\omega := \frac{i}{2}\partial\overline{\partial}\log(|z|^2 + 1)$ is a Kähler form on $\mathbb{C}^n$

Published on 01 Sep 2017 - 21:30

137

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A-branes on the mirror to the projective line

Published on 08 Sep 2017 - 0:50

265

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What moment map is (as a physical concept) in sympletic geometry

Published on 22 Feb 2026 - 23:09

150

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Difference in usual contact structure on $\mathbb R^3$

Published on 25 Mar 2026 - 9:23

93

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A question on Grassmannian

Published on 08 Oct 2017 - 16:41

593

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Relation between a hermitian inner product and a complex symplectic form

Published on 18 Oct 2017 - 18:40

70

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Self-intersection of exceptional sphere

Published on 22 Oct 2017 - 6:53

604

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Reeb flow of the (2n-1)-sphere

Published on 25 Mar 2026 - 10:55

List Question

hamiltonian flows of different time-dependent hamiltonian functions

Is integrability of the almost complex structure redundant in the definition of Kähler manifolds?

Action-angle variables in a 2 degree of freedom integrable Hamiltonian?

Showing that vector field $X$ defined by $X_p := \widehat{\omega_p}^{-1}(\alpha_p)$ is smooth

A characterisation of Hamiltonian vector fields.

Show that $g_*X = X$ for a symplectomorphism $g$ (Lectures on Symplectic Geometry Exercise)

Problem with a proof in my notes: why do I get that converging subsequence?

Question on showing that $\omega := \frac{i}{2}\partial\overline{\partial}\log(|z|^2 + 1)$ is a Kähler form on $\mathbb{C}^n$

A-branes on the mirror to the projective line

What moment map is (as a physical concept) in sympletic geometry

Difference in usual contact structure on $\mathbb R^3$

A question on Grassmannian

Relation between a hermitian inner product and a complex symplectic form

Self-intersection of exceptional sphere

Reeb flow of the (2n-1)-sphere

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