Abstract:
We prove a new recursive relation between the correlators ¶, which together with known relations allows one to express all of them through the full system of Gromov–Witten invariants in the sense of Kontsevich–Manin and the intersection indices of tautological classes on , effectively calculable in view of earlier results due to Mumford, Kontsevich, Getzler, and Faber. This relation shows that a linear change of coordinates of the big phase space transforms the potential with gravitational descendants to another function defined completely in terms of the Gromov–Witten correspondence and the intersection theory on . We then extend the formalism of gravitational descendants from quantum cohomology to more general Frobenius manifolds and Cohomological Field Theories.
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Received: 19 September 1997 / Accepted: 4 February 1998
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Kontsevich, M., Manin, Y. Relations Between the Correlators of the Topological Sigma-Model Coupled to Gravity . Comm Math Phys 196, 385–398 (1998). https://doi.org/10.1007/s002200050426
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DOI: https://doi.org/10.1007/s002200050426