Used attributively in mathematical contexts (e.g., "comultiplication map")
Definitions
comultiplicationnoun
In mathematics, particularly in the context of algebraic structures, comultiplication is a structure-preserving map that is dual to multiplication, often used in the study of coalgebras.
The comultiplication in a coalgebra is a map that splits elements into tensor products.
comultiplicationadjective
Relating to or involving a comultiplication, especially within algebraic structures.
The comultiplication structure provides the dual perspective to multiplication.