Overview

The aim of this monograph is to give an overview of various classes of in?ni- dimensional Lie groups and their applications, mostly in Hamiltonian - chanics, ?uid dynamics, integrable systems, and complex geometry. We have chosen to present the unifying ideas of the theory by concentrating on speci?c typesandexamplesofin?nite-dimensionalLiegroups. Ofcourse,theselection of the topics is largely in?uenced by the taste of the authors, but we hope thatthisselectioniswideenoughtodescribevariousphenomenaarisinginthe geometry of in?nite-dimensional Lie groups and to convince the reader that they are appealing objects to study from both purely mathematical and more applied points of view. This book can be thought of as complementary to the existing more algebraic treatments, in particular, those covering the str- ture and representation theory of in?nite-dimensional Lie algebras, as well as to more analytic ones developing calculus on in?nite-dimensional manifolds. This monograph originated from advanced graduate courses and mi- courses on in?nite-dimensional groups and gauge theory given by the ?rst author at the University of Toronto, at the CIRM in Marseille, and at the Ecole Polytechnique in Paris in 2001-2004. It is based on various classical and recentresultsthathaveshapedthisnewlyemergedpartofin?nite-dimensional geometry and group theory. Our intention was to make the book concise, relatively self-contained, and useful in a graduate course. For this reason, throughout the text, we have included a large number of problems, ranging from simple exercises to open questions.

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9783540852056

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Reviews

From the reviews: The book under review is a welcome addition to the literature on infinite-dimensional Lie groups. ! the present monograph is to 'present the unifying ideas of the theory by concentrating on specific types and examples of infinite-dimensional Lie groups', in the authors' own words. The groups discussed here can be divided roughly into three classes ! . The main part of the book consists in the treatment of these groups, including their geometry, their coad-joint orbits, and their relationship to the Hamiltonian structures. (Daniel Beltita, Mathematical Reviews, Issue 2009 k) The book itself starts with (possibly infinite-dimensional) Lie groups and their algebras, defines the adjoint and co-adjoint representations, and then proceeds to central extensions ! . there are ample references to the enormous bibliography, which contains 393 listings, so the interested reader can easily delve further if he or she wishes. The book may be most useful as a way to get an overview of the subject ! or as a window through which to glimpse any one of the subjects ! . (David G. Ebin, Bulletin of the American Mathematical Society, January, 2011)

From the reviews: The book under review is a welcome addition to the literature on infinite-dimensional Lie groups. ! the present monograph is to 'present the unifying ideas of the theory by concentrating on specific types and examples of infinite-dimensional Lie groups', in the authors' own words. The groups discussed here can be divided roughly into three classes ! . The main part of the book consists in the treatment of these groups, including their geometry, their coad-joint orbits, and their relationship to the Hamiltonian structures. (Daniel Beltita, Mathematical Reviews, Issue 2009 k)

From the reviews: The book under review is a welcome addition to the literature on infinite-dimensional Lie groups. ... the present monograph is to `present the unifying ideas of the theory by concentrating on specific types and examples of infinite-dimensional Lie groups', in the authors' own words. The groups discussed here can be divided roughly into three classes ... . The main part of the book consists in the treatment of these groups, including their geometry, their coad-joint orbits, and their relationship to the Hamiltonian structures. (Daniel Beltita, Mathematical Reviews, Issue 2009 k) The book itself starts with (possibly infinite-dimensional) Lie groups and their algebras, defines the adjoint and co-adjoint representations, and then proceeds to central extensions ... . there are ample references to the enormous bibliography, which contains 393 listings, so the interested reader can easily delve further if he or she wishes. The book may be most useful as a way to get an overview of the subject ... or as a window through which to glimpse any one of the subjects ... . (David G. Ebin, Bulletin of the American Mathematical Society, January, 2011)

Author Information

B.Khesin's areas of research are infinite-dimensional Lie groups, integrable systems, Poisson geometry, and topological hydrodynamics. Together with Vladimir Arnold he is the author of the monograph on ""Topological methods in hydrodynamics"", which has become a standard reference in mathematical fluid dynamics. He was a Sloan research fellow in 1997-1999 and a Clay Mathematics Institute book fellow in 2006-2007, as well as an Andre-Aizenstadt prize recepient in 1998. R.Wendt's fields of research include the geometry and representation theory of infinite dimensional Lie groups and algebras, related geometric structures, and mathematical physics. He is also interested in mathematical finance and 'real world' applications of financial modelling

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