Kazhdan-Lusztig polynomial

English

Etymology

Introduced by David Kazhdan and George Lusztig in 1979.

Noun

Kazhdan-Lusztig polynomial (plural Kazhdan-Lusztig polynomials)

1. (mathematics, representation theory) A member P_y,w(q) of a certain family of integral polynomials that are indexed by pairs of elements y, w of a Coxeter group W, which can in particular be the Weyl group of a Lie group.