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2012

2012

We examine the ranks of operators in semi-finite C*-algebras as measured by their densely defined lower semicontinuous traces. We… Expand

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2011

Highly Cited

2011

We construct reduced and full semigroup C⁎-algebras for left cancellative semigroups. Our new construction covers particular… Expand

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2011

2011

AbstractIn this paper, we show the hierarchical convergence of the following implicit double-net algorithm:
xs,t=s[tf(xs,t)+(1-t… Expand

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2008

2008

Abstract It is shown that if A is a stably finite C ∗ -algebra and E is a countably generated Hilbert A -module, then E gives… Expand

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2008

2008

In this paper we study sub-semigroups of a finite or an infinite zero-divisor semigroup S determined by properties of the zero… Expand

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2008

2008

Kublanovsky has shown that if a subvariety V of the variety RS n generated by completely 0-simple semigroups over groups of… Expand

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Highly Cited

2003

Highly Cited

2003

In these notes we report on recent progress in the theory of hypercyclic and chaotic operators. Our discussion will be guided by… Expand

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Highly Cited

1997

Highly Cited

1997

— Let D be domain in a complex Banach space X, and let Q be a pseudometric assigned to D by a Schwarz-Pick system. In the first… Expand

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1994

1994

A complete description of ultrarepetitive semigroups is given. As an application of this result all semigroups S are described… Expand

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Highly Cited

1952