Connections between vector-valued and highest weight Jack and Macdonald polynomials
Annales de l’Institut Henri Poincaré D, Tome 9 (2022) no. 2, pp. 297-348.
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We analyze conditions under which a projection from the vector-valued Jack orMacdonald polynomials to scalar polynomials has useful properties, specially commuting with the actions of the symmetric group or Hecke algebra, respectively, and with the Cherednik operators for which these polynomials are eigenfunctions. In the framework of representation theory of the symmetric group and the Hecke algebra, we study the relation between singular nonsymmetric Jack and Macdonald polynomials and highest weight symmetric Jack and Macdonald polynomials. Moreover, we study the quasistaircase partition as a continuation of our study on the conjectures of Bernevig and Haldane on clustering properties of symmetric Jack polynomials.

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DOI : 10.4171/aihpd/119
Classification : 33-XX, 05-XX, 20-XX, 81-XX
Mots-clés : Macdonald and Jack Polynomials, singular polynomials, highest weight polynomials, vector-valued polynomials, representation theory of symmetric group and Hecke algebra 
@article{AIHPD_2022__9_2_297_0,
     author = {Colmenarejo, Laura and Dunkl, Charles  F. and Luque, Jean-Gabriel},
     title = {Connections between vector-valued and highest weight {Jack} and {Macdonald} polynomials},
     journal = {Annales de l{\textquoteright}Institut Henri Poincar\'e D},
     pages = {297--348},
     volume = {9},
     number = {2},
     year = {2022},
     doi = {10.4171/aihpd/119},
     mrnumber = {4450016},
     zbl = {1517.33007},
     language = {en},
     url = {http://www.numdam.org/articles/10.4171/aihpd/119/}
}
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Colmenarejo, Laura; Dunkl, Charles  F.; Luque, Jean-Gabriel. Connections between vector-valued and highest weight Jack and Macdonald polynomials. Annales de l’Institut Henri Poincaré D, Tome 9 (2022) no. 2, pp. 297-348. doi : 10.4171/aihpd/119. http://www.numdam.org/articles/10.4171/aihpd/119/

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