Exotic cyclic cohomology classes and Lipschitz algebras (Q6156898)
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scientific article; zbMATH DE number 7697463
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Exotic cyclic cohomology classes and Lipschitz algebras |
scientific article; zbMATH DE number 7697463 |
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Exotic cyclic cohomology classes and Lipschitz algebras (English)
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19 June 2023
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The authors use singular traces to define cyclic cohomology classes for algebras of Lipschitz continuous functions and algebras of Hölder continuous functions. By pairing with higher algebraic \(K\)-theory in examples, they show that such classes can be nontrivial even they vanish on the algebra of smooth functions.
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cyclic cohomology
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singular trace
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Lipschitz functions
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Hölder functions
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