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Multiplicities of Higher Lie Characters
Published online by Cambridge University Press: 09 April 2009
Abstract
The higher Lie characters of the symmetric group Sn arise from the Poincaré-Birkhoff-Witt basis of the free associative algebra. They are indexed by the partitions of n and sum up to the regular character of Sn. A combinatorial description of the multiplicities of their irreducible components is given. As a special case the Kraśkiewicz-Weyman result on the multiplicities of the classical Lie character is obtained.
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- Copyright © Australian Mathematical Society 2003
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