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15
Math.TechQA.Club
2026-05-06 11:56:59
901
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Coordinate-free proof of non-degeneracy of symplectic form on cotangent bundle
Published on
06 May 2026 - 11:56
#symplectic-geometry
#symplectic-linear-algebra
#tangent-bundle
#almost-complex
88
Views
Lagrangian subspace is preserved by almost complex structure
Published on
19 Apr 2026 - 13:12
#differential-geometry
#symplectic-geometry
#symplectic-linear-algebra
83
Views
"Cauchy-Schwartz" for symplectic forms
Published on
18 Apr 2026 - 8:49
#symplectic-geometry
#cauchy-schwarz-inequality
#symplectic-linear-algebra
238
Views
Circle and Torus actions
Published on
16 Apr 2026 - 7:43
#algebraic-topology
#symplectic-geometry
195
Views
Cohomology classes of regular level sets of moment maps
Published on
14 Apr 2026 - 8:09
#group-actions
#classical-mechanics
#symplectic-geometry
384
Views
Intrinsic derivative of a vector field at a zero
Published on
13 Apr 2026 - 17:20
#derivatives
#vector-fields
#symplectic-geometry
811
Views
Sp(2n, R) = SL(2n, R)
Published on
18 Apr 2026 - 13:26
#linear-algebra
#lie-groups
#symplectic-geometry
#symplectic-linear-algebra
311
Views
symplectic structure and non degenerate form
Published on
13 Apr 2026 - 17:09
#lie-algebras
#symplectic-geometry
283
Views
poisson and hamiltonian vector fields
Published on
10 May 2026 - 10:33
#vector-fields
#symplectic-geometry
#hamiltonian-path
#poisson-geometry
191
Views
Are Hamiltonian trajectories geodesics on the cotangent bundle?
Published on
10 May 2026 - 12:32
#differential-geometry
#riemannian-geometry
#symplectic-geometry
#hamiltonian-path
#hamilton-equations
352
Views
Space of tamed almost complex structures
Published on
11 Apr 2026 - 22:00
#differential-geometry
#complex-geometry
#symplectic-geometry
543
Views
Examples of moduli space $J$-holomorphic curves
Published on
14 Apr 2026 - 3:43
#differential-geometry
#algebraic-geometry
#complex-geometry
#symplectic-geometry
74
Views
Open subsets of the space of smooth structures
Published on
10 Apr 2026 - 17:23
#functional-analysis
#differential-geometry
#symplectic-geometry
2.7k
Views
Why does every symplectic matrix $M\in{\rm Sp}(2n,{\Bbb R})$ admit a symplectic eigenbasis?
Published on
22 Apr 2026 - 20:17
#linear-algebra
#matrices
#eigenvalues-eigenvectors
#symplectic-geometry
#symplectic-linear-algebra
155
Views
Moduli space of lines in $\mathbb{CP}^3$
Published on
15 Apr 2026 - 12:56
#differential-geometry
#algebraic-geometry
#symplectic-geometry
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