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15
Math.TechQA.Club
2026-04-12 16:02:23
613
Views
Existence of pullback tensor
Published on
12 Apr 2026 - 16:02
#differential-geometry
#manifolds
703
Views
Wedge product: $\,\omega \wedge \eta= (-1)^{kl} \eta \wedge \omega$
Published on
14 Apr 2026 - 20:40
#linear-algebra
#differential-geometry
#manifolds
#differential-forms
#exterior-algebra
309
Views
Given a smooth map, find another similar map with a differential that is never zero (Guillemin and Pollack 2.3.8).
Published on
25 Apr 2026 - 11:28
#manifolds
#differential-topology
215
Views
Clarifying a point in Guillemin and Pollack on a certain submersion
Published on
25 Apr 2026 - 13:06
#manifolds
#differential-topology
244
Views
Why is it impossible for a compact connected non-orientable $n$-manifold to be the suspension of some connected based space?
Published on
06 Apr 2026 - 2:46
#manifolds
#compact-manifolds
3.6k
Views
Manifold and maximal atlas
Published on
11 Apr 2026 - 16:33
#manifolds
316
Views
Using Mayer-Vietoris to show $\chi(M) = \chi(U)+\chi(V)-\chi(U \cap V)$
Published on
15 Apr 2026 - 15:23
#manifolds
#homology-cohomology
1.9k
Views
A product of smooth manifolds together with one smooth manifold with boundary is a smooth manifold with boundary
Published on
25 Apr 2026 - 11:29
#general-topology
#differential-geometry
#manifolds
#differential-topology
#smooth-manifolds
352
Views
Non-diffeomorphic structures on the sphere
Published on
03 Apr 2026 - 2:01
#manifolds
#differential-topology
#geometric-topology
255
Views
Riemannian manifolds isometry
Published on
29 Apr 2026 - 19:14
#differential-geometry
#manifolds
#riemannian-geometry
2.3k
Views
What's the cohomology of disjoint union of two circles
Published on
25 Apr 2026 - 11:29
#algebraic-topology
#manifolds
#differential-topology
375
Views
Rigorous Definition On composition of Multivariable Functions
Published on
11 Apr 2026 - 8:36
#calculus
#real-analysis
#multivariable-calculus
#derivatives
#manifolds
1.5k
Views
Lie derivative of the product of a function and a form
Published on
20 Apr 2026 - 12:24
#differential-geometry
#manifolds
#lie-derivative
88
Views
Clarification about differentiable manifolds
Published on
25 Apr 2026 - 11:21
#manifolds
#differential-topology
818
Views
Divergence, contraction and lie derivatives
Published on
18 Apr 2026 - 23:53
#manifolds
#differential-forms
#lie-derivative
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