Abstract
Let X be an infinite-dimensional complex Banach space and let B(X) be the algebra of all bounded linear operators. In this article we show that an additive surjective map φ on B(X) preserving the semi-Fredholm domain in spectrum is an automorphism or an antiautomorphism on B(X).
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have