2 papers
math.AG2025
Cubic Fourfolds with an Order- Automorphism
Xuancong He, Yi Li, Shihao Wang +1
We study smooth cubic fourfolds admitting an automorphism of order . It is known that the possible symplectic automorphism groups of such cubic fourfolds are precisely ,…
math.RA2024
On Bott--Samelson rings for Coxeter groups
Tao Gui, Lin Sun, Shihao Wang +1
We study the cohomology ring of the Bott--Samelson variety. We compute an explicit presentation of this ring via Soergel's result, which implies that it is a purely combinatorial i…