2 papers
math.CO2026
Cell Classification of Gelfand -Graphs
Yifeng Zhang
Kazhdan and Lusztig introduced -graphs to encode representations of Iwahori--Hecke algebras, and Marberg later introduced the broader class of Gelfand -graphs. The molecules…
math.CO2024
Lusztig -functions for quasiparabolic sets
Yifeng Zhang
Kazhdan and Lusztig introduce the -graphs to describe the cells and molecules corresponding to the Coxeter groups. Building on this foundation, Lusztig defines the a-funtion to…