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Cayley Symmetries in Associative Algebras
Published online by Cambridge University Press: 20 November 2018
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Let A be a finite-dimensional associative algebra over a field F. Let R denote the radical of A. Assume that A/R is separable. Then it is well known (the Wedderburn principal theorem) that A possesses a Wedderburn decomposition A = S + R (semi-direct), where S is a separable subalgebra isomorphic with A/R. We call S a Wedderburn factor of A.
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- Copyright © Canadian Mathematical Society 1963
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