Adjunction

With adjunction (from Latin adiunctio linking, addition) are called in mathematics:

• in algebra the addition of elements to a ring or body, see adjunction (algebra)
• in ring theory the extension of a ring by a single element, see adjunction (single element)
• in category theory adjoint functors, see adjunction (category theory)
• In propositional logic, an inclusive or connection, see disjunction

With adjoint is denoted:

• in linear algebra a complex conjugated and transposed matrix, see adjoint matrix
• in functional analysis the generalization to linear operators, see adjoint operator
• in the theory of Lie groups or algebraic groups, the adjoint representation
• in the theory of linear ordinary differential equations, the adjoint differential equation

For information on adjunct in linguistics, see adjunct (syntax) .

This is a disambiguation page for differentiating between several terms identified with the same word.