Hochschild and ordinary cohomology rings of small categories (Q952424)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Hochschild and ordinary cohomology rings of small categories |
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Hochschild and ordinary cohomology rings of small categories (English)
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12 November 2008
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The author constructs a seven-dimensional category algebra whose Hochschild cohomology ring modulo nilpotents is not finitely generated.
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Hochschild cohomology
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small category
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left Kan extension
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finite EI-categories
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nilpotent element
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