Character theory

  • Jean-Pierre Serre
Part of the Graduate Texts in Mathematics book series (GTM, volume 42)

Abstract

Let V be a vector space having a basis (e i ) of n elements, and let a be a linear map of V into itself, with matrix (a ij ). By the trace of a we mean the scalar
$$ Tr\left( a \right) = \sum\limits_i {{a_{ii}}} . $$

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Copyright information

© Springer-Verlag, New York Inc. 1977

Authors and Affiliations

  • Jean-Pierre Serre
    • 1
  1. 1.Chaire d’algèbre et géométrieCollège de FranceParisFrance

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