Sequences of symmetric functions of binomial type

Details Sequences of symmetric functions of binomial type Sequences of symmetric functions of binomial type

1995-02-09

arxiv.org/abs/math/9502221v1

Mathematics

Combinatorics

Scientific paper

We take advantage of the combinatorial interpretations of many sequences of polynomials of binomial type to define a sequence of symmetric functions corresponding to each sequence of polynomials of binomial type. We derive many of the results of Umbral Calculus in this context including a Taylor's expansion and a binomial identity for symmetric functions. Surprisingly, the delta operators for all the sequences of binomial type correspond to the same operator on symmetric functions. On s'appuie ici sur les interpr\'etations combinatoires de nombreuses suites de polyn\^omes de type binomial pour d\'efinir une suite de fonctions sym\'etriques associ\'ee \`a chque suite de polyn\^omes de type binomial. On retrouve dans ce cadre, de nombreaux r\'esultats du calcul ombral, en particulier une version de la formule de Taylor et la formule d'identit\'e du bin\^ome pour les fonctions sym\'etriques. On s'aper\oit que les op\'erateurs differentiels de degr\'e un pour toutes les suite de polyn\^omes de type a binomial correspondent \`a un op\'erateur unique sur les fonction sym\'etriques.

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