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The transversal relative equilibria of a Hamiltonian system with symmetry
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UNSPECIFIED. (2000) The transversal relative equilibria of a Hamiltonian system with symmetry. NONLINEARITY, 13 (6). pp. 2089-2105. ISSN 0951-7715
Full text not available from this repository.Abstract
Let P be a symplectic manifold with a free symplectic action of a connected compact Lie group G. We show that, given a certain transversality condition, the set of relative equilibria epsilon near p(e) is an element of epsilon of a G-invariant Hamiltonian system on P is locally Whitney-stratified by the conjugacy classes of the isotropy subgroups (under the product of the coadjoint and adjoint actions) of the momentum-generator pairs (mu, xi) Of the relative equilibria. The dimension of the stratum of the conjugacy class (K) is dim G+2 dim Z(K) -dim K, where Z(K) is the centre of K. Transverse to this stratum epsilon is locally diffeomorphic to the set of commuting pairs of the Lie algebra of K/Z(K). The stratum epsilon ((K)) is a symplectic submanifold of P near p(e) is an element of epsilon if and only if p(e) is non-degenerate and K is a maximal torus of G. We also show that the set of G-invariant Hamiltonians on P for which all the relative equilibria are transversal is open and dense. Thus, generically, the types of singularities of the set of relative equilibria of a Hamiltonian system with symmetry are those types found amongst the singularities at zero of the sets of commuting pairs of certain Lie subalgebras of the symmetry group. AMS classification scheme numbers: 58F05, 70H33, 58F14.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QA Mathematics Q Science > QC Physics |
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| Journal or Publication Title: | NONLINEARITY | ||||
| Publisher: | IOP PUBLISHING LTD | ||||
| ISSN: | 0951-7715 | ||||
| Official Date: | November 2000 | ||||
| Dates: |
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| Volume: | 13 | ||||
| Number: | 6 | ||||
| Number of Pages: | 17 | ||||
| Page Range: | pp. 2089-2105 | ||||
| Publication Status: | Published | ||||
| URI: | http://wrap.warwick.ac.uk/id/eprint/12786 |
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