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- W2951808521 abstract "Let U be the quantum group associated to a Lie algebra of type A_n. The negative part U^- of U has a canonical basis B defined by Lusztig and Kashiwara, with favourable properties. We show how the spanning vectors of the cones defined by Lusztig when regarded as monomials in Kashiwara's root operators, can be described using a remarkable rectangle combinatorics. We use this to calculate the Lusztig parameters of the corresponding canonical basis elements, conjecturing that translates of these vectors span the simplicial regions of linearity of Lusztig's piecewise-linear function. Keywords: quantum group, canonical basis, Lusztig cone, longest word, piecewise-linear combinatorics." @default.
- W2951808521 created "2019-06-27" @default.
- W2951808521 creator A5000050692 @default.
- W2951808521 date "2000-08-04" @default.
- W2951808521 modified "2023-09-27" @default.
- W2951808521 title "Rectangle diagrams for the Lusztig cones of quantized enveloping algebras of type A" @default.
- W2951808521 hasPublicationYear "2000" @default.
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