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The symmetric elements of a semi-simple S-ring
Published online by Cambridge University Press: 26 February 2010
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Let Γ be a finite group of order n and let K be a field whose characteristic does does not divide n. The group ring K(Γ) is then an involution algebra if we define 
for y є Γ and extend by linearity, so that ¯ is trivial on K. A subalgebra T of K(Γ) is said to be an S-ring on Γ (see [4]) if there exists a decomposition
of Γ into non-empty, pairwise disjoint subsets Fi with the properties that the elements 
of K(Γ) form a K-basis of T and that for each τi there exists a τj such that 
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- Research Article
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- Copyright © University College London 1970
References
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