Hermitian and adjoint abelian operators on certain Banach spaces
Hermitian and adjoint abelian operators on certain Banach spaces
Let X be a complex linear space endowed with a semiinner product [ , ].An operator A on X will be called Hermitian if [Ax, x] is real for all x 6 X; A is said to be adjoint abelian if [Ax, y] = [x, Ay] for all x and …