Topological, simplicial and categorical joins (Q1881579)
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scientific article; zbMATH DE number 2106497
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Topological, simplicial and categorical joins |
scientific article; zbMATH DE number 2106497 |
Statements
Topological, simplicial and categorical joins (English)
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5 October 2004
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This paper gives a tour of join constructions for topological spaces, simplicial sets and small categories, with evident comparisons. The unifying theme is that the join of two objects \(X\) and \(Y\) is the homotopy colimit of the diagram of projections \(X \leftarrow X \times Y \to Y\).
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joins
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mapping cylinders
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