(category theory) A functor from some category to the category of sets (Set) which is naturally isomorphic to a hom functor.

A voting principle aimed at securing a close match between the percentage of votes that groups of candidates (usually political parties) obtain in elections, and the percentage of seats they receive in the elected body.

plural of representation theorist

(biochemistry) A graphical representation of the gross structure of a protein in which different levels of structure are represented as different size ribbons and tubes; associated molecules (such as the haem of haemoglobin) are shown in ball and stick form.

An algebraist who specializes in representation theory

plural of representable functor

(mathematics, algebra) A branch of mathematics that studies abstract algebraic structures by representing their elements as linear transformations of vector spaces, and studies modules over these abstract algebraic structures.

plural of ribbon representation

plural of representation term

Alternative form of underrepresentation.