Minuscule representation is a term often used in various contexts, including typography, linguistics, and even in some musical notation or computer science. However, its most common reference is in the field of linguistics and typography, where "minuscule" typically refers to lowercase letters as opposed to uppercase (capital) letters.
Articles by others on the same topic
A finite-dimensional irreducible representation of a complex semisimple Lie algebra is minuscule if its weights form one Weyl group orbit. Every weight multiplicity is then one, because multiplicities are invariant under the Weyl group and the highest weight has multiplicity one.