. "self-adjoint" . "adjoint operator" . "adjoint operators" . . "adjoint map" . "adjoint" . . "Hermitian" . "Hermitian operator" . "Hermitian conjugation" . "Hermitian transpose" . . "Hermitian operators" . . . "Hermitian adjoint" . "Hermitian conjugate" . . "adjoints" . . "Hermitian adjoint" . "conjugate" . . . . "by definition" . "hermitian adjoint" .