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Notation for set of $n$-simplices in a simplicial complex?

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#algebraic-topology #simplicial-complex
100
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Regarding the chain complexes of semisimplicial sets

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#algebraic-topology #homological-algebra #simplicial-complex
69
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Fixed point free G-simplicial complex

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#simplicial-complex #equivariant-topology
240
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The Semisimplicial Homology of a Cone

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#algebraic-topology #homological-algebra #simplicial-complex
1.1k
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Proof that the barycentric subdivision of a simplicial complex decreases the diameter of its simplexes.

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#simplicial-complex #barycentric-coordinates
48
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reduced homologies of shifted complexes

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#homology-cohomology #simplicial-complex
24
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Low-dimensional subcomplexes, isomorphisms in cohomology?

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#manifolds #homology-cohomology #simplicial-complex
99
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If $lk(v;K)$ is collapsible, then $K$ collapses to $del(v;K)$.

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#simplex #simplicial-stuff #simplicial-complex #convex-cone
241
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Dimension of homology of $q$-skeleton

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#linear-algebra #combinatorics #homology-cohomology #simplicial-stuff #simplicial-complex
599
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How to prove that the barycentric subdivision of a simplicial complex can be obtained as a sequence of stellar subdivisions

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#homology-cohomology #simplicial-complex
70
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$2$-skeleton of k-th horn of $\Delta^n$

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#algebraic-topology #simplex #simplicial-stuff #simplicial-complex
41
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Characteristic function of simplicial complex

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#simplicial-complex
229
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Simultaneous simplicial approximation of continuous maps (Exercise 31, Chapter 8, Armstrong's "Basic Topology")

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#homology-cohomology #simplicial-complex
198
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compute f-and h-vector of simplicial complex

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#algebraic-geometry #combinatorial-geometry #simplicial-complex
106
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How can we interchange the colors of districts in 4 color problem

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#surfaces #coloring #simplex #planar-graphs #simplicial-complex

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