Complete sets of orthogonal tableaux

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1980
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Clifton, Joseph
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Mathematics
Abstract

Using a construction due to A. Young, H. Boerner gives a prescription for writing down the matrices for the natural (integral) irreducible representation of the symmetric group S(,n) H. Boerner, Representations of Groups with Special Consideration for the Needs of Modern Physics, North Holland Publishing Co., Amsterdam, 1963, p. 119. Writing down the matrices using this prescription is rather tedious, and becomes computationally impossible for large n (n (GREATERTHEQ) 10) because of the need to calculate chains;This dissertation greatly simplifies the computation of the matrices for the natural (integral) irreducible representation of the symmetric group S(,n) by eliminating the need to calculate chains. The calculation of the chains is replaced by the simple act of setting up and inverting an upper triangular matrix, A(I). In many cases a set of tableaux which is not necessarily standard can be chosen so that A(I) is the identity matrix. Such a set of tableaux is called a complete set of orthogonal tableaux, and yields an equivalent representation of S(,n) in which all entries of the matrices are +1, -1, or 0.

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Tue Jan 01 00:00:00 UTC 1980