2 papers
math.RT2026
Defining sequences for fundamental root systems and Coxeter graphs for super Weyl groups
Changjie Chen, Yiyang Li, Bin Shu
The super Weyl group of a basic classical Lie superalgebra was introduced and studied in \cite{PS}, which turns out to play an important role for the study of representations of th…
math.DG2025
Morse theory on moduli of curves
Changjie Chen
We provide a new approach to studying the moduli space of curves via Morse theory and hyperbolic geometry, by introducing a family of Morse functions on the moduli space $\overline…