1. Let H be a Hilbert space, T = B(H) and define W(T) = {(x, Tx) | |x| = 1}. (a) Show that o(T) < W(T). (b) Give an exam
Posted: Wed Jul 06, 2022 11:58 am
1. Let H be a Hilbert space, T = B(H) and define W(T) = {(x, Tx) | |x| = 1}. (a) Show that o(T) < W(T). (b) Give an example that W(T) does not have to be closed.