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- Institutt for Grafiske MedierNO20 papers
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- Laboratoire d'Informatique, du Traitement de l'Information et des SystèmesFR2 papers
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5 papers · 1 filter
A generating algorithm for ribbon tableaux and spin polynomials
Francois Descouens
We describe a general algorithm for generating various families of ribbon tableaux and computing their spin polynomials. This algorithm is derived from a new matricial coding. An a…
Factorization formulas for Macdonald polynomials
Francois Descouens, Hideaki Morita
The aim of this note is to give some factorization formulas for different versions of the Macdonald polynomials when the parameter t is specialized at roots of unity, generalizing…
The 6 Vertex Model and Schubert Polynomials
Alain Lascoux
We enumerate staircases with fixed left and right columns. These objects correspond to ice-configurations, or alternating sign matrices, with fixed top and bottom parts. The result…
An amended MaxEnt formulation for deriving Tsallis factors, and associated issues
Jean-François Bercher
An amended MaxEnt formulation for systems displaced from the conventional MaxEnt equilibrium is proposed. This formulation involves the minimization of the Kullback-Leibler diverge…
Non-Symmetric Hall-Littlewood Polynomials
Francois Descouens, Alain Lascoux
Using the action of the Yang-Baxter elements of the Hecke algebra on polynomials, we define two bases of polynomials in n variables. The Hall-Littlewood polynomials are a subfamily…