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15
Math.TechQA.Club
2026-03-26 00:58:52
202
Views
Symplectic manifolds and almost complex structures
Published on
26 Mar 2026 - 0:58
#almost-complex
107
Views
Proving $\Bbb{H\otimes_R C }\cong M_2(\Bbb{C})$ versus proving $\Bbb{H\otimes_R C }\cong_{\mathbb R} M_2(\Bbb{C}).$
Published on
26 Mar 2026 - 1:03
#linear-algebra
#abstract-algebra
#tensor-products
#quaternions
#almost-complex
563
Views
An almost complex structure on the real 2-sphere $S^2$
Published on
25 Mar 2026 - 18:52
#algebraic-geometry
#reference-request
#complex-geometry
#real-algebraic-geometry
#almost-complex
271
Views
Proof that Nijenhuis Tensor is a Tensor
Published on
12 Apr 2026 - 6:00
#tensors
#symplectic-geometry
#symplectic-linear-algebra
#almost-complex
187
Views
Tensor product of complexification
Published on
11 Apr 2026 - 16:44
#linear-algebra
#exterior-algebra
#almost-complex
119
Views
Almost complex structure invariant by hamiltonian action
Published on
12 Apr 2026 - 2:05
#symplectic-geometry
#symplectic-linear-algebra
#almost-complex
132
Views
Almost complex structure on a contractible manifold
Published on
26 Mar 2026 - 0:58
#algebraic-topology
#smooth-manifolds
#complex-geometry
#almost-complex
94
Views
Regular Value theorem for Complex submanifolds of an Almost complex submanifold
Published on
26 Mar 2026 - 1:03
#differential-geometry
#solution-verification
#almost-complex
267
Views
Orientation and almost complex structures
Published on
26 Mar 2026 - 1:06
#differential-geometry
#symplectic-geometry
#orientation
#almost-complex
147
Views
The action of $\text{GL}(V)$ on the set of complex structures of $V$ is transitive
Published on
26 Mar 2026 - 1:04
#group-theory
#vector-spaces
#complex-geometry
#group-actions
#almost-complex
704
Views
Relation between symplectic manifolds and (almost) complex manifolds
Published on
26 Mar 2026 - 1:01
#reference-request
#complex-geometry
#symplectic-geometry
#complex-manifolds
#almost-complex
685
Views
Motivation for the Nijenhuis tensor
Published on
26 Mar 2026 - 1:03
#complex-geometry
#motivation
#almost-complex
56
Views
Equivalent definitions of almost quaternionic structures
Published on
26 Mar 2026 - 0:58
#differential-geometry
#quaternions
#principal-bundles
#almost-complex
45
Views
Canonical isomorphism from $\Lambda^{(p,q)} (V \otimes \mathbb{C})$ to $\Lambda^{p+q} (V \otimes \mathbb{C})$
Published on
26 Mar 2026 - 1:03
#differential-forms
#complex-geometry
#complex-manifolds
#almost-complex
99
Views
The identification of $iX$ with $JX$
Published on
25 Mar 2026 - 20:42
#complex-geometry
#almost-complex
#holomorphic-bundles
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