Non-Hamiltonian Actions and Lie-Algebra Cohomology of Vector Fields
Vernadsky National Library of Ukraine
Переглянути архів Інформація| Поле | Співвідношення | |
| Title |
Non-Hamiltonian Actions and Lie-Algebra Cohomology of Vector Fields
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| Creator |
Ferreiro Pérez, R.
Muñoz Masqué, J. |
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| Description |
Two examples of Diff⁺S¹-invariant closed two-forms obtained from forms on jet bundles, which does not admit equivariant moment maps are presented. The corresponding cohomological obstruction is computed and shown to coincide with a nontrivial Lie algebra cohomology class on H²(X(S¹)).
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| Date |
2019-02-19T17:50:20Z
2019-02-19T17:50:20Z 2009 |
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| Type |
Article
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| Identifier |
Non-Hamiltonian Actions and Lie-Algebra Cohomology of Vector Fields / R. Ferreiro Pérez, J. Muñoz Masqué // Symmetry, Integrability and Geometry: Methods and Applications. — 2009. — Т. 5. — Бібліогр.: 8 назв. — англ.
1815-0659 2000 Mathematics Subject Classification: 58D15; 17B56; 22E65; 53D20; 53D30; 58A20 http://dspace.nbuv.gov.ua/handle/123456789/149158 |
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| Language |
en
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| Relation |
Symmetry, Integrability and Geometry: Methods and Applications
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| Publisher |
Інститут математики НАН України
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