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A SPLITTING PRINCIPLE FOR MODULAR GROUP REPRESENTATIONS
Published online by Cambridge University Press: 24 March 2003
Abstract
The author of this paper has shown previously how a complex representation of a finite group can be split into a virtual sum of representations induced from one-dimensional representations of subgroups in a natural way (sometimes known as explicit Brauer induction). Here the modular case is treated, yielding an analogous result at the level of Brauer characters in general, and in the Green ring for trivial source modules.
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- © The London Mathematical Society 2002
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