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Change of rings and characteristic classes

Published online by Cambridge University Press:  24 October 2008

Johannes Huebschmann
Johannes Huebschmann
Affiliation:
Mathematisches Institut, Im Neuenheimer Feld 288, D-6900 Heidelberg, W. Germany
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Abstract

We construct characteristic classes for the change of rings spectral sequences. These have their values in appropriate Ext groups and provide descriptions of the first non-zero differentials in the spectral sequences. We use these classes to do some calculations in the cohomology spectral sequence of an extension of a finite cyclic group by a finite cyclic group.

Type
Research Article
Information
Mathematical Proceedings of the Cambridge Philosophical Society , Volume 106 , Issue 1 , July 1989 , pp. 29 - 56
Copyright
Copyright © Cambridge Philosophical Society 1989

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