Ribbon tableaux, Hall{endash}Littlewood functions, quantum affine algebras, and unipotent varieties
Journal Article
·
· Journal of Mathematical Physics
- Institut Blaise Pascal, L.I.T.P., Universite Paris 7, 2 place Jussieu, 75251 Paris cedex 05 (France)
- Universite de Caen, Departement de Mathematiques, Esplanade de la Paix, BP 5186, 14032 Caen cedex (France)
- Institut Gaspard Monge, Universite de Marne-la-Vallee, 2 rue de la Butte-Verte, 93166 Noisy-le-Grand cedex (France)
We introduce a new family of symmetric functions, which are q analogs of products of Schur functions, defined in terms of ribbon tableaux. These functions can be interpreted in terms of the Fock space representation scr(F){sub q} of U{sub q}(sl{sub n}), and are related to Hall{endash}Littlewood functions via the geometry of flag varieties. We present a series of conjectures, and prove them in special cases. The essential step in proving that these functions are actually symmetric consists in the calculation of a basis of highest weight vectors of scr(F){sub q} using ribbon tableaux. {copyright} {ital 1997 American Institute of Physics.}
- OSTI ID:
- 466881
- Journal Information:
- Journal of Mathematical Physics, Vol. 38, Issue 2; Other Information: PBD: Feb 1997
- Country of Publication:
- United States
- Language:
- English
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