#################################################################### # Compute the multiplication table for the quantum K-theory # # ring of the Grassmannian Gr(2,4). This reproduces # # Example 5.9 from the paper "Quantum K-theory of Grassmannians" # # by A. Buch and L. Mihalcea. # #################################################################### read equivcalc: with(equivcalc): printf("Quantum K-theory of Gr(2,4):\n"): Gr(2,4): WP := weyl_group(): for u in WP do for v in WP do prd := comin_qkmult(u, v): lprint(weyl_part(X[op(u)] * X[op(v)] = prd)): od: od: ###