Canad. Math. Bull. 53(2010), 398-403
Printed: Sep 2010
We characterize those linear projections represented as a convex combination of two surjective isometries on standard Banach spaces of continuous functions with values in a strictly convex Banach space.
isometry, convex combination of isometries, generalized bi-circular projections
47A65 - Structure theory
47B15 - Hermitian and normal operators (spectral measures, functional calculus, etc.)
47B37 - Operators on special spaces (weighted shifts, operators on sequence spaces, etc.)