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We obtain the topological expansion of the hermitian matrix model using its representation as a CFT on a hyperelliptic Riemann surface. To each branch point of the Riemann surface we associate an operator which represents a twist field…

高能物理 - 理论 · 物理学 2014-11-20 Ivan Kostov

In this work, we relate two recent constructions that generalize classical (genus-zero) polylogarithms to higher-genus Riemann surfaces. A flat connection valued in a freely generated Lie algebra on a punctured Riemann surface of arbitrary…

高能物理 - 理论 · 物理学 2026-02-03 Eric D'Hoker , Benjamin Enriquez , Oliver Schlotterer , Federico Zerbini

A construction of integration, function calculus, and exterior calculus is made, allowing for integration of unital magma valued functions against (compactified) unital magma valued measures over arbitrary topological spaces. The Riemann…

微分几何 · 数学 2024-07-24 Petal B. Mokryn

In a previous paper the authors elaborated notions and technique which could be applied to compute such invariants of polynomials as Euler characteristics of fibres and zeta-functions of monodromy transformations associated with a…

代数几何 · 数学 2007-05-23 S. M. Gusein-Zade , I. Luengo , A. Melle-Hernandez

The connection between Riemann surfaces with boundaries and the theory of vertex operator algebras is discussed in the framework of conformal field theories defined by Kontsevich and Segal and in the framework of their generalizations in…

量子代数 · 数学 2007-05-23 Yi-Zhi Huang

In this note we give a characterization of taut Riemannian foliations using the transverse divergence. This result turns out to be a convenient tool in the case of some standard examples. Furthermore, we show that a classical tautness…

微分几何 · 数学 2016-02-10 Vladimir Slesar

This article details a construction of symplectic foliations on 3-dimensional orientable riemannian manifolds from harmonic forms; and how it suggests a topological approach to Poisson's equation and newtonian gravity.

辛几何 · 数学 2022-03-24 Romero Solha

This is a short comment on the Moyal formula for deformation quantization. It is shown that the Moyal algebra of functions on the plane is canonically isomorphic to an algebra of matrices of infinite size.

数学物理 · 物理学 2007-05-23 S. A. Merkulov

Recently the author presented a new approach to solving the coefficient problems for various classes of holomorphic functions $f(z) = \sum\limits_0^\infty c_n z^n$, not necessarily univalent. This approach is based on lifting the given…

复变函数 · 数学 2025-04-03 Samuel L. Krushkal

Using techniques from geometry and complex analysis in their simplest form, we present a derivation of electric fields on surfaces with non-trivial topology. A byproduct of this analysis is an intuitive visualization of elliptic functions…

综合物理 · 物理学 2020-09-21 Spencer Tamagni , Costas Efthimiou

This is the first in a series of papers about foliations in derived geometry. After introducing derived foliations on arbitrary derived stacks, we concentrate on quasi-smooth and rigid derived foliations on smooth complex algebraic…

代数几何 · 数学 2020-05-22 Bertrand Toën , Gabriele Vezzosi

We discuss conformal deformation and warped products on some open manifolds. We discuss how these can be applied to construct Riemannian metrics with specific scalar curvature functions.

dg-ga · 数学 2008-02-03 Man Chun Leung

We study flat deformations of quotients of a polynomial algebra in a class of graded commutative associative algebras. Functional equations and their solutions in terms of theta functions play important role in these studies. An analog of…

量子代数 · 数学 2017-11-16 Boris Feigin , Alexander Odesskii

We prove localization and integration formulas for the equivariant basic cohomology of Riemannian foliations. As a corollary we obtain a Duistermaat-Heckman theorem for transversely symplectic foliations.

微分几何 · 数学 2023-11-27 Yi Lin , Reyer Sjamaar

We prove that Riemannian foliations on complete contractible manifolds have a closed leaf, and that all leaves are closed if one closed leaf has a finitely generated fundamental group. Under additional topological or geometric assumptions…

微分几何 · 数学 2018-03-16 Luis Florit , Oliver Goertsches , Alexander Lytchak , Dirk Toeben

Starting from the axiomatic description of meromorphic functions with prescribed analytic properties, we introduce the cosimplicial cohomology of restricted meromorphic functions defined on foliations of smooth complex manifolds. Spaces for…

泛函分析 · 数学 2023-07-24 A. Zuevsky

We characterize functions which are growth types of Riemannian manifolds of bounded geometry.

微分几何 · 数学 2010-08-31 Renata Grimaldi , Pierre Pansu

In this article, we prove a series of integral formulae for a codimension-one foliated sub-Riemannian manifold, i.e., a Riemannian manifold $(M,g)$ equipped with a distribution ${\mathcal D}=T{\mathcal F}\oplus\,{\rm span}(N)$, where…

微分几何 · 数学 2021-04-13 Vladimir Rovenski

In this article, we deduce a series of integral formulas for a foliated sub-Riemannian manifold, which is a new geometric concept denoting a Riemannian manifold equipped with a distribution ${\mathcal D}$ and a foliation ${\mathcal F}$,…

微分几何 · 数学 2022-08-30 Vladimir Rovenski

If the preimage of a four-point set under a meromorphic function belongs to the real line, then the image of the real line is contained in a circle in the Riemann sphere. We include an application of this result to holomorphic dynamics: if…

复变函数 · 数学 2009-04-15 Walter Bergweiler , Alexandre Eremenko