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Please use this identifier to cite or link to this item: http://dspace.utalca.cl/handle/1950/4152

Title: Jack Polynomials in Superspace.
Authors: Desrosiers, P.
Lapointe, L.
Mathieu, P.
Issue Date: 2003
Publisher: Kluwer Academic Publishing
Citation: Communications in Mathematical Physics 242 (1/2): 331-360
Abstract: This work initiates the study of orthogonal symmetric polynomials in superspace. Here we present two approaches leading to a family of orthogonal polynomials in superspace that generalize the Jack polynomials. The first approach relies on previous work by the authors in which eigenfunctions of the supersymmetric extension of the trigonometric Calogero-Moser-Sutherland Hamiltonian were constructed. Orthogonal eigenfunctions are now obtained by diagonalizing the first nontrivial element of a bosonic tower of commuting conserved charges not containing this Hamiltonian. Quite remarkably, the expansion coefficients of these orthogonal eigenfunctions in the supermonomial basis are stable with respect to the number of variables. The second and more direct approach amounts to symmetrize products of non-symmetric Jack polynomials with monomials in the fermionic variables. This time, the orthogonality is inherited from the orthogonality of the non-symmetric Jack polynomials, and the value of the norm is given explicitly
Description: Lapointe, L. Instituto de Matemática y Física, Universidad de Talca, Casilla 747, Talca, Chile.
URI: http://dspace.utalca.cl/handle/1950/4152
ISSN: 0010-3616
Appears in Collections:Artículos en publicaciones ISI - Universidad de Talca

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