On sufficient and necessary conditions for linearity of the transverse Poisson structure |
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Authors: | I Cruz T Fardilha |
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Institution: | 1. Departamento de Matemática Aplicada, Centro de Matemática da Universidade do Porto, Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal;2. Centro de Matemática da Universidade do Porto, Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal |
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Abstract: | We study the possibility of bringing the transverse Poisson structure to a coadjoint orbit (on the dual of a real Lie algebra) to a normal linear form. We study the relation between two sufficient conditions for linearity of such structures (P. Molino’s condition and our own). We then use these conditions to conclude that, if the isotropy subgroup of the (singular) point in question is compact, or if the isotropy subalgebra is semisimple, then there is a linear transverse Poisson structure to the corresponding coadjoint orbit. |
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Keywords: | 53D17 22E60 |
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