especially functional analysis, a hypercyclic operator on a topological vector space X is a continuous linear operator T: X → X such that there is a vector...

continuous linear map on a topological vector space) is usually called hypercyclic operator. A related idea is expressed by the wandering set. Lemma: If X is...

"The invariant subspace problem for a class of Banach spaces, 2: hypercyclic operators", Israel Journal of Mathematics, 63 (1): 1–40, doi:10.1007/BF02765019...

invariant subspace problem. Read has also published on Banach algebras and hypercyclicity; in particular, he constructed the first example of an amenable, commutative...