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15
Math.TechQA.Club
2026-03-26 02:54:10
55
Views
canonical "simplest" cobordism for fixed boundary
Published on
26 Mar 2026 - 2:54
#manifolds
#cobordism
529
Views
Disjoint union of the torus and the sphere is a boundary of a compact manifold.
Published on
26 Mar 2026 - 2:57
#general-topology
#algebraic-topology
#characteristic-classes
#cobordism
118
Views
Showing $\mathbb{R}P^2 \times \mathbb{R}P^2$ and $\mathbb{R}P^4$ do not have the same Stiefel-Whitney numbers.
Published on
26 Mar 2026 - 2:55
#general-topology
#algebraic-topology
#characteristic-classes
#cobordism
535
Views
What are the possible boundaries of connected compact manifolds?
Published on
26 Mar 2026 - 2:55
#proof-verification
#manifolds
#connectedness
#manifolds-with-boundary
#cobordism
247
Views
Bounding projective spaces
Published on
15 Apr 2026 - 7:28
#algebraic-topology
#differential-geometry
#projective-space
#big-picture
#cobordism
459
Views
Definition of Cobordism
Published on
09 Apr 2026 - 23:58
#algebraic-topology
#differential-topology
#cobordism
268
Views
Embedding a manifold in the disk
Published on
14 Apr 2026 - 0:12
#general-topology
#algebraic-topology
#differential-geometry
#differential-topology
#cobordism
318
Views
Opposite Orientation of Boundary in Bordisms
Published on
10 May 2026 - 21:58
#algebraic-topology
#mathematical-physics
#quantum-field-theory
#cobordism
#topological-quantum-field-theory
577
Views
Evaluation and Coevaluation maps of a TQFT
Published on
10 May 2026 - 18:23
#algebraic-topology
#mathematical-physics
#quantum-field-theory
#cobordism
#topological-quantum-field-theory
189
Views
Neutral elements in the unoriented cobordism.
Published on
15 Apr 2026 - 5:56
#algebraic-topology
#cobordism
48
Views
Cylindrical structure and homology
Published on
11 Apr 2026 - 17:15
#algebraic-topology
#homology-cohomology
#cobordism
189
Views
Definition of a 4-cobordism with boundary
Published on
12 Apr 2026 - 6:02
#general-topology
#algebraic-topology
#cobordism
138
Views
Surgery and boundary
Published on
10 May 2026 - 18:41
#general-topology
#geometry
#algebraic-topology
#cobordism
#surgery-theory
96
Views
How to do this surgery?
Published on
10 May 2026 - 18:41
#general-topology
#geometry
#algebraic-topology
#cobordism
#surgery-theory
401
Views
Why is Lemma 6.3 of Milnor's Lectures on the h-cobordism Theorem True?
Published on
13 Apr 2026 - 20:32
#algebraic-topology
#differential-topology
#cobordism
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