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Regular Fréchet–Lie Groups of Invertible Elements in Some Inverse Limits of Unital Involutive Banach Algebras

  • Jean Marion and Thierry Robart
Published/Copyright: February 23, 2010
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Georgian Mathematical Journal
From the journal Volume 2 Issue 4

Abstract

We consider a wide class of unital involutive topological algebras provided with a C*-norm and which are inverse limits of sequences of unital involutive Banach algebras; these algebras are taking a prominent position in noncommutative differential geometry, where they are often called unital smooth algebras. In this paper we prove that the group of invertible elements of such a unital solution smooth algebra and the subgroup of its unitary elements are regular analytic Fréchet–Lie groups of Campbell–Baker–Hausdorff type and fulfill a nice infinite-dimensional version of Lie's second fundamental theorem.

Received: 1994-03-01
Published Online: 2010-02-23
Published in Print: 1995-August

© 1995 Plenum Publishing Corporation

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