2. Let A E B(H) be self-adjoint. Show that A E R(A) if and only if there is an open neighborhood UCR of A with xu(A) = 0
Posted: Tue Jul 12, 2022 12:46 pm
2. Let A E B(H) be self-adjoint. Show that A E R(A) if and only if there is an open neighborhood UCR of A with xu(A) = 0. MITTY