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15
Math.TechQA.Club
2026-03-26 23:09:28
108
Views
Definition of a smooth 4-manifold
Published on
26 Mar 2026 - 23:09
#differential-geometry
#differential-topology
216
Views
First Integral of the Hamiltonian System
Published on
01 Apr 2026 - 8:14
#ordinary-differential-equations
#differential-geometry
#control-theory
#stability-theory
387
Views
A Killing field on a compact Riemannian manifold $M$ of positive sectional curvature has a singularity
Published on
26 Mar 2026 - 4:36
#differential-geometry
#riemannian-geometry
145
Views
2-dimensional vector bundles on projective 3-space
Published on
25 Mar 2026 - 21:00
#differential-geometry
#vector-bundles
215
Views
What are the planes that give principal curvatures in this surface?
Published on
26 Jun 2018 - 5:31
#differential-geometry
83
Views
Difference between $(\cdot , \cdot)$ and $\left< \cdot , \cdot \right>$?
Published on
27 Mar 2026 - 8:38
#differential-geometry
#inner-products
#mathematical-physics
83
Views
Doubts regarding the definition of surface in $\mathbb R^3$
Published on
26 Mar 2026 - 23:09
#real-analysis
#differential-geometry
#differential-topology
356
Views
Lie groups as spaces with trivial tangent bundle
Published on
27 Mar 2026 - 0:02
#differential-geometry
#lie-groups
311
Views
Local expression of Hessian operator in Riemannian Geometry
Published on
24 Mar 2026 - 23:45
#differential-geometry
#riemannian-geometry
#smooth-manifolds
#hessian-matrix
226
Views
Can I use de Rham Cohomology to prove exactness of 1-forms on the $2$ sphere?
Published on
26 Mar 2026 - 1:04
#differential-geometry
#differential-topology
#differential-forms
#de-rham-cohomology
93
Views
Define an atlas on the set of all pointed lines in $\mathbb{R}^2$.
Published on
26 Mar 2026 - 4:34
#differential-geometry
#riemannian-geometry
#smooth-manifolds
136
Views
Fine sheaf and exact form
Published on
01 Apr 2026 - 5:19
#differential-geometry
#sheaf-theory
#sheaf-cohomology
2.1k
Views
The gauss map $ N$ is surjective if the surface is compact
Published on
25 Mar 2026 - 9:37
#integration
#differential-geometry
#surfaces
#curvature
822
Views
do Carmo's proof to the fact that a unit sphere is regular surface
Published on
27 Jun 2018 - 10:12
#differential-geometry
674
Views
Relationship between sectional and gauss curvature on higher dimensional manifold.
Published on
25 Mar 2026 - 9:38
#differential-geometry
#riemannian-geometry
#curvature
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