Reflexivity of isometries

Wydawnictwa / Czasopisma IMPAN / Studia Mathematica / Wszystkie zeszyty

Wing-Suet Li Studia Mathematica 124 (1997), 101-105 DOI: 10.4064/sm-124-2-101-105

We prove that any set of commuting isometries on a separable Hilbert space is reflexive.