Symplectic invariants, Virasoro constraints and Givental decomposition

Details Symplectic invariants, Virasoro constraints and Givental decomposition Symplectic invariants, Virasoro constraints and Givental decomposition

2008-08-05

arxiv.org/abs/0808.0635v2

Physics

Mathematical Physics

19 pages

Scientific paper

Following the works of Alexandrov, Mironov and Morozov, we show that the symplectic invariants of \cite{EOinvariants} built from a given spectral curve satisfy a set of Virasoro constraints associated to each pole of the differential form $ydx$ and each zero of $dx$ . We then show that they satisfy the same constraints as the partition function of the Matrix M-theory defined by Alexandrov, Mironov and Morozov. The duality between the different matrix models of this theory is made clear as a special case of dualities between symplectic invariants. Indeed, a symplectic invariant admits two decomposition: as a product of Kontsevich integrals on the one hand, and as a product of 1 hermitian matrix integral on the other hand. These two decompositions can be though of as Givental formulae for the KP tau functions.

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