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15
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Complexity of deciding isomorphism between abstract simplicial complexes

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#solution-verification #simplicial-complex
116
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Finding Co-Differential from Differential in Homology

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#homology-cohomology #duality-theorems #simplicial-complex
47
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On the dimension of an abstract simplicial complex built from minimal vertex covers of a finite simple graph

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#combinatorics #graph-theory #simplicial-complex #algebraic-combinatorics
50
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Help proving locally constant presheaf is constant

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#homology-cohomology #sheaf-theory #sheaf-cohomology #simplicial-complex #de-rham-cohomology
61
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Can we preserve the fixed points of a homeomorphism $f:K\to K$ using a simplicial approximation?

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#algebraic-topology #simplicial-complex
307
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Connected Components of the Homotopy Pullback

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#homotopy-theory #connectedness #simplicial-stuff #simplicial-complex
79
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Hypercovers via Resolution of Singularity

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#algebraic-geometry #simplicial-stuff #simplicial-complex #descent
248
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Question on geometric realization of the torus.

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#algebraic-topology #simplicial-complex #geometric-realization
88
Views

Homology of an edge with the endpoints identified

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#algebraic-topology #homology-cohomology #exact-sequence #simplicial-complex
563
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Determining $1$-th simplicial homology group of the Möbius strip.

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#algebraic-topology #homology-cohomology #simplicial-complex
293
Views

Every map of a sphere can be homotoped to a map whose fiber is finite: using simplicial approximation

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#algebraic-topology #homotopy-theory #polyhedra #cw-complexes #simplicial-complex
451
Views

How is the Cech complex a subcomplex of the Vietoris Rips complex?

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#algebraic-topology #simplicial-complex
63
Views

What is the reason for this step in proving the Borsuk-Ulam Theorem (by triangulation)

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#algebraic-topology #analytic-geometry #discrete-geometry #simplicial-complex #linear-approximation
107
Views

Computing Persistence Diagram in a Persistence Homology Framework

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#algebraic-topology #simplicial-complex #topological-data-analysis
55
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Manifold homotopic to product of two graphs

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#manifolds #homology-cohomology #cw-complexes #simplicial-complex

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