Article ID Journal Published Year Pages File Type
4592609 Journal of Functional Analysis 2008 11 Pages PDF
Abstract

We construct an example of a real Banach space whose group of surjective isometries has no uniformly continuous one-parameter semigroups, but the group of surjective isometries of its dual contains infinitely many of them. Other examples concerning numerical index, hermitian operators and dissipative operators are also shown.

Related Topics
Physical Sciences and Engineering Mathematics Algebra and Number Theory