cosemisimple

co- +‎ semisimple

cosemisimple (not comparable)

1. (mathematics) dual to something semisimple.
   • 2016, Iván Angiono, Agustín García Iglesias, “Liftings of Nichols algebras of diagonal type II. All liftings are cocycle deformations”, in arXiv‎:

     Let ${\displaystyle V}$ be a braided vector space of diagonal type with a principal realization in the category of Yetter-Drinfeld modules of a cosemisimple Hopf algebra ${\displaystyle H}$ and such that the Nichols algebra ${\displaystyle {\mathfrak {B}}(V)}$ is finitely presented.