Séminaire Lotharingien de Combinatoire, B28a (1992), 35
[Formerly: Publ. I.R.M.A. Strasbourg, 1992, 498/S-28, p.
Schur Functions: Theme and Variations
In this article we shall survey various generalizations, analogues
and deformations of Schur functions - some old, some new - that
have been proposed at various times. We shall present these as a
sequence of variations on a theme and (unlike e.g. Bourbaki) we
shall proceed from the particular to the general. Thus
Variations 1 and 2 are included in Variation 3 ; Variations 4
and 5 are particular cases of Variation 6 ; and in their turn
Variations 6, 7 and 8 (in part) are included in Variation 9.
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