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The centralizer poset in groups of semilinear maps

Published online by Cambridge University Press:  26 February 2010

B. A. F. Wehrfritz
B. A. F. Wehrfritz
Affiliation:
Department of Mathematics, Queen Mary College, London E1 4NS.
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Extract

Let M be a finitely generated module over the finitely generated abelian group U. Denote the group of all semilinear maps of M by SautUM, a ℤ-automorphism g of M being semilinear if there exists an automorphism γ of U, called an auxiliary automorphism of g, such that mug = mguγ for all m ∊ M and u ∊ U.

Type
Research Article
Information
Mathematika , Volume 25 , Issue 2 , December 1978 , pp. 251 - 263
Copyright
Copyright © University College London 1978

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References

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