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Masur-Veech volumes, frequencies of simple closed geodesics and intersection numbers of moduli spaces of curves

hal.structure.identifierGroupe Sociétés, Religions, Laïcités [GSRL]
dc.contributor.authorDELECROIX, Vincent
hal.structure.identifierInstitut de Mathématiques de Bordeaux [IMB]
dc.contributor.authorGOUJARD, Elise
dc.contributor.authorZOGRAF, Peter
hal.structure.identifierInstitut de Recherche Mathématique de Rennes [IRMAR]
hal.structure.identifierInstitut de Mathématiques de Jussieu - Paris Rive Gauche [IMJ-PRG (UMR_7586)]
dc.contributor.authorZORICH, Anton
dc.date.accessioned2024-04-04T02:56:45Z
dc.date.available2024-04-04T02:56:45Z
dc.date.issued2021-09-01
dc.identifier.issn0012-7094
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/192493
dc.description.abstractEnWe express the Masur-Veech volume and the area Siegel-Veech constant of the moduli space of meromorphic quadratic differential with simple poles as polynomials in the intersection numbers of psi-classes supported on the boundary cycles of the Deligne-Mumford compactification of the moduli space of curves. Our formulae are derived from lattice point count involving the Kontsevich volume polynomials that also appear in Mirzakhani's recursion for the Weil-Petersson volumes of the moduli space of bordered hyperbolic Riemann surfaces. A similar formula for the Masur-Veech volume (though without explicit evaluation) was obtained earlier by Mirzakhani through completely different approach. We prove further result: up to an explicit normalization factor depending only on the genus and on the number of cusps, the density of the orbit of any simple closed multicurve computed by Mirzakhani coincides with the density of square-tiled surfaces having horizontal cylinder decomposition associated to the simple closed multicurve. We study the resulting densities in more detail in the special case when there are no cusps. In particular, we compute explicitly the asymptotic frequencies of separating and non-separating simple closed geodesics on a closed hyperbolic surface of genus g for all small genera g and we show that in large genera the separating closed geodesics are exponentially less frequent. We conclude with detailed conjectural description of combinatorial geometry of a random simple closed multicurve on a surface of large genus and of a random square-tiled surface of large genus. This description is conditional to the conjectural asymptotic formula for the Masur-Veech volume in large genera and to the conjectural uniform asymptotic formula for certain sums of intersection numbers of psi-classes in large genera.
dc.description.sponsorshipphysique mathématique - ANR-19-CE40-0021
dc.description.sponsorshipCentre de Mathématiques Henri Lebesgue : fondements, interactions, applications et Formation - ANR-11-LABX-0020
dc.language.isoen
dc.publisherDuke University Press
dc.title.enMasur-Veech volumes, frequencies of simple closed geodesics and intersection numbers of moduli spaces of curves
dc.typeArticle de revue
dc.identifier.doi10.1215/00127094-2021-0054
dc.subject.halMathématiques [math]/Géométrie algébrique [math.AG]
dc.subject.halMathématiques [math]/Combinatoire [math.CO]
dc.subject.halMathématiques [math]/Géométrie différentielle [math.DG]
dc.subject.halMathématiques [math]/Systèmes dynamiques [math.DS]
dc.subject.halMathématiques [math]/Topologie géométrique [math.GT]
dc.subject.halMathématiques [math]/Théorie des nombres [math.NT]
dc.subject.halMathématiques [math]/Physique mathématique [math-ph]
dc.identifier.arxiv1908.08611
bordeaux.journalDuke Mathematical Journal
bordeaux.page2633-2718
bordeaux.volume170
bordeaux.hal.laboratoriesInstitut de Mathématiques de Bordeaux (IMB) - UMR 5251*
bordeaux.issue12
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-02482059
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02482059v1
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