Evaluation and normalization of Jack superpolynomials

Details Evaluation and normalization of Jack superpolynomials Evaluation and normalization of Jack superpolynomials

2011-04-16

arxiv.org/abs/1104.3260v2

Mathematics

Combinatorics

42 pages, 10 figures. v2: minor corrections in Eqs (16) and (17)

Scientific paper

Two evaluation formulas are derived for the Jack superpolynomials. The evaluation formulas are expressed in terms of products of fillings of skew diagrams. One of these formulas is nothing but the evaluation formula of the Jack polynomials with prescribed symmetry, which thereby receives here a remarkably simple formulation. Among the auxiliary results required to establish the evaluation formulas, the determination of the conditions ensuring the non-vanishing coefficients in a Pieri-type rule for Jack superpolynomials is worth pointing out. An important application of the evaluation formulas is a new derivation of the combinatorial norm of the Jack superpolynomials. We finally mention that the introduction of a simpler version of the dominance ordering on superpartitions is fundamental to establish our results.

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