\(J\)-chains and multichains, duality of Hecke modules, and formulas for parabolic Kazhdan-Lusztig polynomials
The author gives two closed formulas for the parabolic Kazhdan-Lusztig polynomials introduced by the author, [J. Algebra 111, No. 2, 483-506 (1987; Zbl 0656.22007)]. One of the interesting features of these formulas is the interplay between two Hecke modules.
scientific article; zbMATH DE number 1013972