TY - JOUR AU - Brox, Jose AU - García, Esther AU - Gómez Lozano, Miguel AU - Muñoz Alcázar, Rubén AU - Vera de Salas, Guillermo PY - 2021 SN - 0126-6705 UR - https://uvadoc.uva.es/handle/10324/80485 AB - In this paper we study ad-nilpotent elements of semiprime rings $R$ with involution $$ whose indices of ad-nilpotence differ on $\Skew(R,)$ and $R$. The existence of such an ad-nilpotent element $a$ implies the existence of a GPI of $R$, and... LA - spa PB - Springer Nature TI - Ad-Nilpotent Elements of Skew Index in Semiprime Rings with Involution DO - 10.1007/s40840-021-01206-8 ER -