Constraints For Topological Strings In $D\geq 1$

Details Constraints For Topological Strings In $D\geq 1$ Constraints For Topological Strings In $D\geq 1$

1994-11-17

arxiv.org/abs/hep-th/9411135v2

Nucl.Phys. B439 (1995) 395-420

Physics

High Energy Physics

High Energy Physics - Theory

29 pages, latex, no figures

Scientific paper

10.1016/0550-3213(95)00004-C

New relations of correlation functions are found in topological string theory; one for each second cohomology class of the target space. They are close cousins of the Deligne-Dijkgraaf-Witten's puncture and dilaton equations. When combined with the dilaton equation and the ghost number conservation, the equation for the first chern class of the target space gives a constraint on the topological sum (over genera and (multi-)degrees) of partition functions. For the $\CP^1$ model, it coincides with the dilatation constraint which is derivable in the matrix model recently introduced by Eguchi and Yang.

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