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Divisibility in the K0-group of the algebra of operators on a Banach space

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published
<mark>Journal publication date</mark>31/03/2001
<mark>Journal</mark>K-Theory
Issue number3
Volume22
Number of pages9
Pages (from-to)241-249
Publication StatusPublished
<mark>Original language</mark>English

Abstract

Let script F sign denote Figiel's reflexive Banach space which is not isomorphic to its Cartesian square. We show that the A0-group of the algebra ℬ(script F sign) of continuous, linear operators on script F sign contains a subgroup isomorphic to the group c00(ℕ, ℚ) of sequences (zn)n∈ℕ of rational numbers with zn = 0 eventually.