Horospherical subgroups in positive characteristic
arXiv:2509.15003 · doi:10.4153/S0008439526102288
Abstract
We investigate horospherical homogeneous spaces--a class of spherical homogeneous spaces encompassing both flag varieties and algebraic tori--over algebraically closed fields of characteristic p>0, and establish their complete classification for p>2.
21 pages, final version, to appear in Canadian mathematical Bulletin