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15
Math.TechQA.Club
2026-04-13 01:22:55
1.7k
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Closed, simply connected manifolds which are not spheres
Published on
13 Apr 2026 - 1:22
#algebraic-topology
#differential-topology
#examples-counterexamples
#homotopy-theory
#spheres
529
Views
Integrals of non-compactly supported forms
Published on
14 Apr 2026 - 11:58
#differential-topology
#differential-forms
219
Views
Surgery presentation for an abstract open book decomposition
Published on
12 Apr 2026 - 15:36
#differential-topology
#geometric-topology
#knot-theory
#surgery-theory
44
Views
Jordan curves in compact subset in $\mathbb R^3$
Published on
12 Apr 2026 - 14:34
#general-topology
#algebraic-topology
#differential-topology
#geometric-topology
343
Views
Closed Poincaré dual of the boundary of a closed manifold.
Published on
13 Apr 2026 - 4:22
#algebraic-topology
#differential-topology
#smooth-manifolds
38
Views
Derivations having local character
Published on
13 Apr 2026 - 17:51
#differential-topology
1.1k
Views
The Normal Bundle of a level set is trivial
Published on
14 Apr 2026 - 2:19
#differential-geometry
#differential-topology
#smooth-manifolds
#fiber-bundles
139
Views
Diffeomorphism on $S^2$ to $S^2$ with at least two fixed points
Published on
12 Apr 2026 - 21:57
#differential-geometry
#differential-topology
#fixed-point-theorems
#spheres
349
Views
Definition of Normal Bundle and little exercise
Published on
12 Apr 2026 - 23:10
#algebraic-topology
#differential-topology
#smooth-manifolds
#fiber-bundles
980
Views
Regular values and maps of degree 0
Published on
14 Apr 2026 - 13:56
#differential-topology
300
Views
Atiyah-Singer index theorem
Published on
23 Apr 2026 - 16:19
#differential-topology
#topological-k-theory
#elliptic-operators
471
Views
idempotent bundle homomorphism has constant rank
Published on
02 Apr 2026 - 13:28
#differential-topology
#vector-bundles
268
Views
Defining differentiability on a topological manifold
Published on
22 Apr 2026 - 6:27
#differential-geometry
#manifolds
#differential-topology
470
Views
Definition of Riemannian Metric
Published on
21 Apr 2026 - 16:54
#differential-geometry
#terminology
#differential-topology
#riemannian-geometry
124
Views
Construct a diffeomorphism that extends the identity map
Published on
04 Mar 2026 - 18:34
#analysis
#differential-geometry
#differential-topology
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