Sciact
  • EN
  • RU

Polar representations of compact groups and convex hulls of their orbits Full article

Journal Differential Geometry and its Application
ISSN: 0926-2245 , E-ISSN: 1872-6984
Output data Year: 2010, Volume: 28, Number: 5, Pages: 608-614 Pages count : 7 DOI: 10.1016/j.difgeo.2010.05.005
Tags Polar representationsSemigroups of setsCoxeter groups
Authors Gichev V.M. 1
Affiliations
1 Omsk Branch of Sobolev Institute of Mathematics, Pevtsova, 13, 644099, Omsk, Russia

Abstract: The paper contains a characterization of compact groups G subset of GL(0), where o is a finite-dimensional real vector space, which have the following property SP: the family of convex hulls of G-orbits is a semigroup with respect to the Minkowski addition. If G is finite, then SP holds if and only if G is a Coxeter group; if G is connected then SP is equivalent to the property to be polar. In general, G satisfies SP if and only if it is polar and its Weyl group is a Coxeter group.
Cite: Gichev V.M.
Polar representations of compact groups and convex hulls of their orbits
Differential Geometry and its Application. 2010. V.28. N5. P.608-614. DOI: 10.1016/j.difgeo.2010.05.005 WOS Scopus РИНЦ OpenAlex
Identifiers:
Web of science: WOS:000281029000009
Scopus: 2-s2.0-77954539497
Elibrary: 15318131
OpenAlex: W2026522612
Citing:
DB Citing
OpenAlex 13
Scopus 10
Web of science 8
Elibrary 12
Altmetrics: