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Embedding topological local group cohomology in a reduced cohomology topological group - MaRDI portal

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Embedding topological local group cohomology in a reduced cohomology topological group (Q6585950)

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scientific article; zbMATH DE number 7895244
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English
Embedding topological local group cohomology in a reduced cohomology topological group
scientific article; zbMATH DE number 7895244

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    Embedding topological local group cohomology in a reduced cohomology topological group (English)
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    12 August 2024
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    An automorphism \(\varphi \) is called contractive if \(\lim_{n \to \infty} \varphi^n(x)=1\) for all \(x \in H \). A topological group is called contractive if it admits a contractive automorphism. For a topological local group \(X\), the author finds a topological group \(H\) as an enlargement of \(X\). He shows that the \(H_L^p(X,C)\) cohomology of a local group \(X\) on an abelian group \(C\) can be considered as the isomorphism of the reduced cohomology of quotient topological group \(H_{\ast}^p(H/k,C)\) for all cases in which \(p >1\).
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    topological local group
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    enlargeable
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    reduced cohomology
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    contractive near-automorphism
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