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Main Authors: Cushman, Richard, van der Kallen, Wilberd
Format: Preprint
Published: 2003
Subjects:
Online Access:https://arxiv.org/abs/math/0305442
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author Cushman, Richard
van der Kallen, Wilberd
author_facet Cushman, Richard
van der Kallen, Wilberd
contents In this paper we give an effective method for finding a unique representative of each orbit of the adjoint and coadjoint action of the real affine orthogonal group on its Lie algebra. In both cases there are orbits which have a modulus that is different from the usual invariants for orthogonal groups. We find an unexplained bijection between adjoint and coadjoint orbits. As a special case, we classify the adjoint and coadjoint orbits of the Poincaré group.
format Preprint
id arxiv_https___arxiv_org_abs_math_0305442
institution arXiv
publishDate 2003
record_format arxiv
spellingShingle Adjoint and coadjoint orbits of the Poincaré group
Cushman, Richard
van der Kallen, Wilberd
Representation Theory
81R05
In this paper we give an effective method for finding a unique representative of each orbit of the adjoint and coadjoint action of the real affine orthogonal group on its Lie algebra. In both cases there are orbits which have a modulus that is different from the usual invariants for orthogonal groups. We find an unexplained bijection between adjoint and coadjoint orbits. As a special case, we classify the adjoint and coadjoint orbits of the Poincaré group.
title Adjoint and coadjoint orbits of the Poincaré group
topic Representation Theory
81R05
url https://arxiv.org/abs/math/0305442