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math.RT2003
Symmetric group blocks of small defect
Gordon James, Andrew Mathas
This paper is an attempt to compute the decomposition numbers of the blocks of the symmetric group which have "small defect"; that is, blocks of weight smaller than the characteris…
math.RT2003
Elementary divisors of Specht modules
Matthias Künzer, Andrew Mathas
Let H_q(S_n) be the Iwahori-Hecke algebra of the symmetric group. This algebra is semisimple over the rational function field Q(q), where q is an indeterminate, and its irreducible…