Geodesic
An explicit formula for Witten's $2$-correlators
Zapiski Nauchnykh Seminarov POMI, Representation theory, dynamical systems, combinatorial methods. Part XXIX, Tome 468 (2018), pp. 53-57 Cet article a éte moissonné depuis la source Math-Net.Ru

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An explicit closed-form expression for the $2$-correlators of Witten's two-dimensional topological gravity is derived in arbitrary genus. 
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     title = {An explicit formula for {Witten's} $2$-correlators},
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P. G. Zograf. An explicit formula for Witten's $2$-correlators. Zapiski Nauchnykh Seminarov POMI, Representation theory, dynamical systems, combinatorial methods. Part XXIX, Tome 468 (2018), pp. 53-57. http://geodesic.mathdoc.fr/item/ZNSL_2018_468_a4/

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[4] E. Witten, “Two-dimensional gravity and intersection theory on moduli space”, Surveys Diff. Geom., 1 (1991), 243–310 | DOI | MR | Zbl

[5] V. Delecroix, E. Goujard, P. Zograf, A. Zorich, in preparation