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Convexity properties of Hamiltonian group actions

Auteur : Victor Guillemin; Reyer Sjamaar
Éditeur : Providence, R.I. : American Mathematical Society, ©2005.
Collection : CRM monograph series, v. 26.
Édition/format :   Print book : AnglaisVoir toutes les éditions et tous les formats
Base de données :WorldCat
Résumé :
"This is a monograph on convexity properties of moment mappings in symplectic geometry. The fundamental result in this subject is the Kirwan convexity theorem, which describes the image of a moment map in terms of linear inequalities. This theorem bears a close relationship to perplexing old puzzles from linear algebra, such as the Horn problem on sums of Hermitian matrices, on which considerable progress has been
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Format – détails additionnels : Online version:
Guillemin, Victor, 1937-
Convexity properties of Hamiltonian group actions.
Providence, R.I. : American Mathematical Society, ©2005
(OCoLC)625304811
Type d’ouvrage : Ressource Internet
Format : Livre, Ressource Internet
Tous les auteurs / collaborateurs : Victor Guillemin; Reyer Sjamaar
ISBN : 0821839187 9780821839188
Numéro OCLC : 61309399
Description : iv, 82 pages : illustrations ; 27 cm.
Contenu : Ch. 1. The convexity theorem for Hamiltonian G-spaces --
Ch. 2. A constructive proof of the non-abelian convexity theorem --
Ch. 3. Some elementary examples of the convexity theorem --
Ch. 4. Kahler potentials and convexity --
Ch. 5. Applications of the convexity theorem.
Titre de collection : CRM monograph series, v. 26.
Responsabilité : Victor Guillemin, Reyer Sjamaar.
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Résumé :

Describes convexity properties of moment mappings in symplectic geometry. This book reviews various infinite-dimensional manifestations of moment convexity, such as the Kostant type theorems for  Lire la suite...

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