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15
Math.TechQA.Club
2026-03-25 12:49:07
257
Views
Locally approximate an ellipsoid around two points with a sphere
Published on
25 Mar 2026 - 12:49
#geometry
#differential-geometry
#approximation
#conic-sections
80
Views
Soving Killing equation for AdS3
Published on
29 Apr 2018 - 6:30
#ordinary-differential-equations
#differential-geometry
#partial-differential-equations
420
Views
Reference Request: Equivariant cup product in singular cohomology
Published on
30 Mar 2026 - 7:07
#abstract-algebra
#general-topology
#differential-geometry
#reference-request
#algebraic-topology
89
Views
Show that the following space curve $c$ is $C^{\infty}$ and Compute binormal.
Published on
25 Mar 2026 - 6:03
#derivatives
#differential-geometry
#curves
#curvature
41
Views
Definition of positive definiteness of $D^2$ without a choice of basis?
Published on
29 Apr 2018 - 10:14
#matrices
#differential-geometry
#optimization
316
Views
How do we define $D^2$ formally in differential geometry?
Published on
24 Mar 2026 - 23:42
#differential-geometry
#notation
#hessian-matrix
1.6k
Views
Use of partitions of unity
Published on
25 Mar 2026 - 23:38
#real-analysis
#differential-geometry
#differential-topology
97
Views
Is this an example of a regular surface with planar point that is strictly locally convex?
Published on
29 Apr 2018 - 21:40
#differential-geometry
940
Views
Index notation of double contraction with second order tensor derivative
Published on
25 Mar 2026 - 3:00
#multivariable-calculus
#differential-geometry
#tensors
#matrix-calculus
#index-notation
30
Views
Definition of a integral in a surface
Published on
26 Mar 2026 - 2:46
#integration
#differential-geometry
#differential-forms
941
Views
Exterior derivative of a $1-$form is a tensor field
Published on
25 Mar 2026 - 3:07
#differential-geometry
#tensor-products
#smooth-manifolds
#tensors
#differential-forms
392
Views
Proving sufficient condition for a differential 1-form to be exact
Published on
25 Mar 2026 - 3:01
#integration
#differential-geometry
#vector-analysis
#differential-forms
#line-integrals
115
Views
Smooth homotopy of proper maps
Published on
25 Mar 2026 - 23:36
#general-topology
#differential-geometry
#differential-topology
#homotopy-theory
45
Views
Relation between a Tensorial derivation and a tensor field of kind $(1,2)$
Published on
25 Mar 2026 - 3:07
#differential-geometry
#tensor-products
#tensors
112
Views
Does polar decomposition give commutative answer, i.e. it is group isomorphism?
Published on
30 Apr 2018 - 8:35
#linear-algebra
#group-theory
#differential-geometry
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