Cohomology of a Hopf algebra over \(Z_ 2\) (Q583669)
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scientific article; zbMATH DE number 4133137
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Cohomology of a Hopf algebra over \(Z_ 2\) |
scientific article; zbMATH DE number 4133137 |
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Cohomology of a Hopf algebra over \(Z_ 2\) (English)
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1989
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The author considers a particular Hopf algebra A over \(Z_ 2\), which is related to group schemes. He gives an acyclic resolution of \(Z_ 2\) by A-comodules (this result is credited to M. Tezuka, unpublished), and he computes \(Ext_{A*}(Z_ 2,Z_ 2)\) and \(Cotor^ A(Z_ 2,Z_ 2)\).
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Hopf algebra over \(Z_ 2\)
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group schemes
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Ext
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Cotor
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