A special version of the Schwarz lemma on an infinite dimensional domain
Let be the open unit ball of a Banach space , and let be a holomorphic map with . In this paper, we discuss a condition whereby is a linear isometry on .
Let be the open unit ball of a Banach space , and let be a holomorphic map with . In this paper, we discuss a condition whereby is a linear isometry on .
Let B be the open unit ball for a norm on . Let f:B → B be a holomorphic map with f(0) = 0. We consider a condition implying that f is linear on . Moreover, in the case of the Euclidean ball , we show that f is a linear automorphism of under this condition.
Page 1