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15
86
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Criterion for the inverse map to be simplicial

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#simplicial-complex
41
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Can a single simplex be a boundary of a higher dimensional chain?

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#algebraic-topology #simplicial-complex
64
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When can 2 different simplicial chains share the same boundary?

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#algebraic-topology #simplicial-complex #topological-data-analysis
136
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Are loops not allowed when gluing together simplices in a simplicial complex?

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#algebraic-topology #geometric-topology #simplicial-complex
52
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Dimension of the union of a 4-dimensional and 3-dimensional simplex

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#geometry #simplex #simplicial-complex
90
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Why is simplicial approximation a powerful definition?

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#algebraic-topology #homology-cohomology #simplicial-complex
116
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Computing singular homology of a cylinder with a bottom, using Mayer Vietoris Sequence

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#algebraic-topology #homology-cohomology #simplicial-complex #mayer-vietoris-sequence
78
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Set of 0-cells of a simplicial complex and discreteness

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#general-topology #algebraic-topology #geometric-topology #simplicial-complex
96
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Why is this example (non-simplicial $\mathbb R$-tree) not a simplicial complex?

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#general-topology #algebraic-topology #geometric-topology #simplicial-complex
26
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Example of connectivity of join is strictly greater than the sum of connectivities plus 2?

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#combinatorics #algebraic-topology #simplicial-complex
67
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Can a cube be decomposed into tetrahedrons for any configuration of diagonals?

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#computational-geometry #simplicial-complex
47
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Cellular Approximation for Homeomorphism on a Compact Surface.

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#general-topology #algebraic-topology #surfaces #cw-complexes #simplicial-complex
156
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The norm in the n-simplex

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#real-analysis #algebraic-topology #normed-spaces #simplex #simplicial-complex
191
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link of a vertex in the triangulation of $S^k$ is a triangulation of $S^{k-1}$?

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#combinatorics #general-topology #algebraic-topology #simplicial-complex
74
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Can higher dimension simplex occur in a triangulation of a $k$-sphere?

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#general-topology #algebraic-topology #simplex #simplicial-complex

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