adjoints m21k In mathematics, the term adjoint can apply to the adjoint of an operator (adjoint matrix, adjoint operator; see also self-adjoint, hermitian adjoint), in linear algebra or functional_analysis; the left adjoint or right adjoint functor in a pair of adjoint functors, in category theory; the upper and lower adjoints of a Galois connection in order theory; the adjoint representation of a Lie group; an adjoint curve, in the traditional treatment of coherent duality for a linear system of curves. 041009 what's it to you? who go blather from