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The Liouville field theory on Z_N-Riemann surfaces is studied and it is shown that it decomposes into a Liouville field theory on the sphere and N-1 free boson theories. Also, the partition function of the Liouville field theory on the…

高能物理 - 理论 · 物理学 2009-10-30 S. A. Apikyan , C. J. Efthimiou

Masur's divergence states that the horizontal foliation of translation surfaces is uniquely ergodic if the geodesic flow is recurrent on the moduli space. This established a relationship between geometrical properties of foliations and the…

代数几何 · 数学 2021-11-17 Zhijing Wang

Many classical objects on a surface S can be interpreted as cross-ratio functions on the circle at infinity of the universal covering. This includes closed curves considered up to homotopy, metrics of negative curvature considered up to…

复变函数 · 数学 2018-08-02 Francis Bonahon , Dragomir Saric

The formulas for the 3-dimensional distance and the velocity modulus in the 4-dimensional linear space with the Berwald-Moor metrics are obtained. The used algorithm is applicable both for the Minkowski space and for the arbitrary…

数学物理 · 物理学 2007-05-23 G. I. Garas'ko , D. G. Pavlov

The aim of this article is to present a comparative review of Riemannian and Finsler geometry. The structures of cut and conjugate loci on Riemannian manifolds have been discussed by many geometers including H. Busemann, M. Berger and W.…

微分几何 · 数学 2018-11-29 Katsuhiro Shiohama , Bankteshwar Tiwari

In this paper, we study the integral curvatures of Finsler manifolds and prove several Myers type theorems.

微分几何 · 数学 2019-10-03 Wei Zhao

We study deformations of Riemannian metrics on a given manifold equipped with a codimension-one foliation subject to quantities expressed in terms of its second fundamental form. We prove the local existence and uniqueness theorem and…

微分几何 · 数学 2011-08-16 Vladimir Rovenski , Pawel Walczak

For every Finsler metric $F$ we associate a Riemannian metric $g_F$ (called the Binet-Legendre metric). The transformation $F \mapsto g_F$ is $C^0$-stable and has good smoothness properties, in contrast to previous constructions. The…

微分几何 · 数学 2014-11-11 Vladimir S. Matveev , Marc Troyanov

Two-dimensional conformal field theory is a powerful tool to understand the geometry of surfaces. Here, we study Liouville conformal field theory in the classical (large central charge) limit, where it encodes the geometry of the moduli…

高能物理 - 理论 · 物理学 2023-12-04 Kale Colville , Sarah M. Harrison , Alexander Maloney , Keivan Namjou

Many natural real-valued functions of closed curves are known to extend continuously to the larger space of geodesic currents. For instance, the extension of length with respect to a fixed hyperbolic metric was a motivating example for the…

几何拓扑 · 数学 2024-12-11 Dídac Martínez-Granado , Dylan P. Thurston

In this paper, we give the general form of spherically symmetric Finsler metrics in $R^n$ and surprisedly find that many well-known Finsler metrics belong to this class. Then we explicitly express projective metrics of this type. The…

微分几何 · 数学 2010-06-22 Linfeng Zhou

As shown by Masur in 80s, for any translation surface there exists a periodic geodesic of bounded length, the directions of periodic geodesics are dense in the unit circle, and the number of cylinders of periodic geodesics of length at most…

动力系统 · 数学 2007-05-23 Yaroslav Vorobets

We give a lower bound for the length of a non-trivial geodesic loop on a simply-connected and compact manifold of even dimension with a non-reversible Finsler metric of positive flag curvature. Harris and Paternain use this estimate in…

微分几何 · 数学 2007-06-01 Hans-Bert Rademacher

Biharmonic curves are a generalization of geodesics, with applications in elasticity theory and various branches of computer science. The paper proposes a first study of biharmonic curves in spaces with Finslerian geometry, covering the…

微分几何 · 数学 2013-07-23 Nicoleta Voicu

We show that the standard discrete update rule of transformer layers can be naturally interpreted as a forward Euler discretization of a continuous dynamical system. Our Transformer Flow Approximation Theorem demonstrates that, under…

机器学习 · 计算机科学 2025-05-26 Jacob Fein-Ashley

The projective Finsler metrizability problem deals with the question whether a projective-equivalence class of sprays is the geodesic class of a (locally or globally defined) Finsler function. In this paper we use Hilbert-type forms to…

微分几何 · 数学 2013-01-14 M. Crampin , T. Mestdag , D. J. Saunders

In this paper, we study the set of homogeneous geodesics of a leftinvariant Finsler metric on Lie groups. We first give a simple criterion that characterizes geodesic vectors. As an application, we study some geometric properties of…

微分几何 · 数学 2007-11-29 Dariush Latifi

This paper introduces a novel theoretical framework for identifying Lagrangian Coherent Structures (LCS) in manifolds with non-constant curvature, extending the theory to Finsler manifolds. By leveraging Riemannian and Finsler geometry, we…

We consider a pseudo-Riemannian metric that changes signature along a smooth curve on a surface, called the discriminant curve. The discriminant curve separates the surface locally into a Riemannian and a Lorentzian domain. We study the…

微分几何 · 数学 2016-11-22 A. O. Remizov , F. Tari

This work concerns the theoretical foundations of persistence-based topological data analysis. We develop theory of topological inference in the multidimensional persistence setting, and directly at the (topological) level of filtrations…

代数拓扑 · 数学 2012-06-08 Michael Lesnick