On the Impossibility of Parabolic Factorization of certain Kazhdan-Lusztig Basis Elements

Tommy Parisi, Mark Skandera, Ben Spahiu +1

For w in the symmetric group S_n, let C_w be the corresponding modified, signless Kazhdan-Lusztig basis element of the type-A Hecke algebra H_n(q). An extension [Ann. Comb. 25, no.…