cocharacter

English

Etymology

From co- +‎ character.

Noun

cocharacter (plural cocharacters)

1. (mathematics) A homomorphism of a character.
   • 2015, Ana Caraiani, Brandon Levin, “Kisin modules with descent data and parahoric local models”, in arXiv‎^[1]:

     We show that this space is smoothly equivalent to the local model for $\mathrm {Res} _{K/\mathbb {Q} _{p}}\mathrm {GL} _{n}$, cocharacter $\{\mu \}$, and parahoric level structure.