2 papers
math.CO2026
Deligne--Lusztig varieties, toric orbifolds, and the -Klyachko algebra
Ruizhen Liu
We investigate the geometry behind the -Klyachko algebra, introduced by Nadeau--Tewari. When is a prime power, we show that the -Klyachko algebra is the image of the pull…
math.AG2025
Vanishing theorems on wonderful varieties
Ruizhen Liu
We study vanishing theorems of tautological bundles in the sense of Berget--Eur--Spink--Tseng restricted to wonderful varieties. As an application, we prove a characteristic-indepe…