Nilpotent operator
In operator theory, a bounded operator T on a Banach space is said to be nilpotent if Tn = 0 for some positive integer n. It is said to be quasinilpotent or topologically nilpotent if its spectrum σ(T) = {0}.
In operator theory, a bounded operator T on a Banach space is said to be nilpotent if Tn = 0 for some positive integer n. It is said to be quasinilpotent or topologically nilpotent if its spectrum σ(T) = {0}.