2 papers
math.FA1999
Solution of a problem of Peller concerning similarity
N. J. Kalton, C. Le Merdy
We answer a question of Peller by showing that for any c>1 there exists a power-bounded operator T on a Hilbert space with the property that any operator S similar to T satisfies $…
math.FA1999
Operators between subspaces and quotients of L1
G. Godefroy, N. Kalton, D. Li
We provide an unified approach of results of L. Dor on the complementation of the range, and of D. Alspach on the nearness from isometries, of small into isomorphisms of L1. We int…