CIEM   05476
CENTRO DE INVESTIGACION Y ESTUDIOS DE MATEMATICA
Unidad Ejecutora - UE
artículos
Título:
Finite-Dimensional Pointed Hopf Algebras Over Finite Simple Groups of Lie Type IV. Unipotent Classes in Chevalley and Steinberg Groups
Autor/es:
ANDRUSKIEWITSCH, NICOLÁS; GARCÍA, GASTÓN ANDRÉS; CARNOVALE, GIOVANNA
Revista:
Algebras and Representation Theory
Editorial:
SPRINGER
Referencias:
Año: 2019 vol. 23 p. 621 - 655
ISSN:
1386-923X
Resumen:
We show that all unipotent classes in finite simple Chevalley or Steinberg groups, different from PSL_n(q) and PSp_2n(q), collapse (i.e. are never the support of a finite-dimensional Nichols algebra), with a possible exception on one class of involutions in PSU_n(2m).