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- W1569471613 abstract "Let V denote a finite dimensional vector space over an algebraically closed field. Let U_0, U_1,..., U_d denote a sequence of nonzero subspaces whose direct sum is V. Let R:V to V and L:V to V denote linear maps with the following properties: for 0 leq i leq d, R U_i subseteq U_{i+1} and L U_i subseteq U_{i-1} where U_{-1}=0, U_{d+1}=0; for 0 leq i leq d/2, the restrictions R^{d-2i}: U_i to U_{d-i} and L^{d-2i}: U_{d-i} to U_i are bijections; the maps R and L satisfy the cubic q-Serre relations where q is nonzero and not a root of unity. Let K:V to V be the linear map such that (K-q^{2i-d}I)U_i=0 for 0 leq i leq d. We show that there exists a unique U_q(sl_2hat)-module structure on V such that each of R-e^{-}_1, L-e^{-}_0, K-K_0, and K^{-1}-K_1 vanish on V, where e^{-}_1, e^{-}_0, K_0, K_1 are Chevalley generators for U_q(sl_2hat). We determine which U_q(sl_2hat)-modules arise from our construction." @default.
- W1569471613 created "2016-06-24" @default.
- W1569471613 creator A5006232802 @default.
- W1569471613 date "2005-06-30" @default.
- W1569471613 modified "2023-09-27" @default.
- W1569471613 title "Raising/lowering maps and modules for the quantum affine algebra $U_q(sl_2hat)$" @default.
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