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math.OA2008
The rectifiable distance in the unitary Fredholm group
Esteban Andruchow, Gabriel Larotonda
Let stand for the unitary Fredholm group. We prove the following convexity result. Denote by the rectifiable distance induc…
math.OA2008
Norm Inequalities in Operator Ideals
Gabriel Larotonda
In this paper we introduce a new technique for proving norm inequalities in operator ideals with an unitarily invariant norm. Among the well known inequalities which can be proved…
math.OA2008
Connes' metric for states in group algebras
Esteban Andruchow, Gabriel Larotonda
In this article we follow the main idea of A. Connes for the construction of a metric in the state space of a C*-algebra. We focus in the reduced algebra of a discrete group , a…