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What is the intersection of the vertices of a face of a simplicial complex?

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#group-theory #group-presentation #simplicial-complex
550
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Simplicial complex underlying space homeomorphic to torus/klein bottle

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#algebraic-topology #triangulation #simplicial-complex #klein-bottle
701
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Fixed points of simplicial maps

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#general-topology #algebraic-topology #simplicial-complex
151
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Homotopy type of simplicial complexes

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#general-topology #algebraic-topology #simplex #simplicial-stuff #simplicial-complex
217
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Non-contractible simplicial complex and Euler characteristic 1

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#general-topology #algebraic-topology #simplicial-complex
120
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Persistence Homology on a grid Distance measure

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#algebraic-topology #simplicial-complex #betti-numbers #topological-data-analysis
266
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Finding chains with a given boundary

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#algebraic-topology #homology-cohomology #simplicial-complex
54
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Is there a time where the link of a subset is not equal to the boundary of its star?

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#general-topology #algebraic-topology #simplicial-complex
181
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Edge-to-edge incidence structure of a graph

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#graph-theory #spectral-graph-theory #simplicial-complex #hypergraphs #adjacency-matrix
589
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Triangulation of the projective plane (number of points required)

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#projective-space #triangulation #simplicial-complex
492
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Star of a simplex

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#simplicial-complex
367
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Difference between pseudo-manifolds and quasi-manifolds

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#general-topology #algebraic-topology #manifolds #geometric-topology #simplicial-complex
1.2k
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Understanding the $\operatorname{link}$ of a simplex $\sigma$

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#algebraic-topology #simplicial-complex
354
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Retraction onto a circle in a simplicial complex

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#general-topology #algebraic-topology #simplicial-complex
426
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Sample calculation of reduced cohomology (basic question)

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

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