J. Aust. Math. Soc.
81 (2006), 97-103
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A property of the complex semigroup algebra of a free monoid
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M. J. Crabb
Department of Mathematics
University of Glasgow
Glasgow G12 8QW
Scotland
UK
mjc@maths.gla.ac.uk
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C. M. McGregor
Department of Mathematics
University of Glasgow
Glasgow G12 8QW
Scotland
UK
cmm@maths.gla.ac.uk
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W. D. Munn
Department of Mathematics
University of Glasgow
Glasgow G12 8QW
Scotland
UK
wdm@maths.gla.ac.uk
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Abstract
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It is shown that the complex semigroup algebra
of a free monoid of rank at least two is
 -primitive, where
 denotes the involution on the algebra induced by
word-reversal on the monoid.
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Australian Mathematical Publishing Association Inc.
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©
Australian MS
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