3 papers
math.RT2026
A class of weight modules over the twisted Heisenberg-Virasoro algebra and gap- Virasoro algebras
Chengkang Xu, Fen Zhang
In this paper, we construct a class of simple weight modules over the twisted Heisenberg-Virasoro algebra and gap- Virasoro algebras from restricted modules over some positive p…
math.RA2026
-biderivations of Virasoro related algebras
Chengkang Xu
We determine all -biderivations for the Witt algebra, the Virasoro algebra, the -algebras and their universal central extensions , and then give…
math.RT2026
Unitary modules over the gap- Virasoro algebras
Chengkang Xu
For any irreducible Harish-Chandra module over the gap- Virasoro algebra, we determine the condition for to be unitary.