• Spherical Subgroups in Reductive Algebraic Groups 

      [OWP-2026-03] Knop, Friedrich; Röhrle, Gerhard (Mathematisches Forschungsinstitut Oberwolfach, 2026-07)
      In [KR15], we determined all spherical affine homogeneous varieties for simple algebraic groups in arbitrary characteristic. The present paper extends this classification to semisimple groups. This generalizes work done ...