no. 1
Combinatorics/Algebraic Geometry
Specializations of Grothendieck polynomials
[Spécialisation de polynômes de Grothendieck]

Présenté par : Jacques Tits

Buch, Anders S.1 ; Rimányi, Richárd2
1 Matematisk Institut, Aarhus Universitet, Ny Munkegade, 8000 Århus C, Denmark
2 Department of Mathematics, The University of North Carolina at Chapel Hill, CB #3250, Phillips Hall, Chapel Hill, NC 27599, USA
Comptes Rendus. Mathématique, Tome 339 (2004) no. 1, pp. 1-4.

On démontre une formule pour les polynômes de Schubert et de Grothendieck dans le cas de réarrangements du même ensemble de variables. Cette formule généralise les formules usuelles pour ces polynômes en termes de RC-graphes et donne des démonstrations immédiates de plusieurs propriétés importantes de ces polynômes.

We prove a formula for double Schubert and Grothendieck polynomials, specialized to two re-arrangements of the same set of variables. Our formula generalizes the usual formulas for Schubert and Grothendieck polynomials in terms of RC-graphs, and it gives immediate proofs of many other important properties of these polynomials.

Reçu le :
Accepté le :
Publié le :
DOI : 10.1016/j.crma.2004.04.015
Buch, Anders S. 1 ; Rimányi, Richárd 2

1 Matematisk Institut, Aarhus Universitet, Ny Munkegade, 8000 Århus C, Denmark
2 Department of Mathematics, The University of North Carolina at Chapel Hill, CB #3250, Phillips Hall, Chapel Hill, NC 27599, USA 
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Buch, Anders S.; Rimányi, Richárd. Specializations of Grothendieck polynomials. Comptes Rendus. Mathématique, Tome 339 (2004) no. 1, pp. 1-4. doi : 10.1016/j.crma.2004.04.015. http://www.numdam.org/articles/10.1016/j.crma.2004.04.015/

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