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We prove that the map on Balmer spectra induced by a fully faithful geometric functor is a quotient map whose fibers are connected. This is an analogue of the Zariski Connectedness Theorem in algebraic geometry and it can be applied to a…

代数拓扑 · 数学 2025-08-05 Beren Sanders

We develop a lifting theory for the exponential map of semi-Riemannian manifolds that overcomes the classical obstruction caused by its singularities. We show that every smooth path in the manifold admits, up to a nondecreasing…

微分几何 · 数学 2026-05-08 Ivan P. Costa e Silva , José L. Flores

The complex exponential weighting of Feynman formalism is seen to happen at the classical level. (Finiteness of) Feynman path integral formula is suspected then to appear as a consistency condition for the existence of certain Dirac…

量子物理 · 物理学 2007-05-23 Alejandro Rivero

The book "Handbook of Finsler geometry" has been included with a CD containing an elegant Maple package, FINSLER, for calculations in Finsler geometry. Using this package, an example concerning a Finsler generalization of Einstein's vacuum…

微分几何 · 数学 2015-06-16 Nabil L. Youssef , S. G. Elgendi

Let $f$ be a harmonic map from a Riemann surface to a Riemannian $n$-manifold. We prove that if there is a holomorphic diffeomorphism $h$ between open subsets of the surface such that $f\circ h = f$, then $f$ factors through a holomorphic…

微分几何 · 数学 2020-10-29 Nathaniel Sagman

The generalized Finsler geometry, as well as Finsler geometry, is a generalization of Riemann geometry. The generalized Finsler geometry can be endowed with the Cartan connection. The generalized Finsler geometry and its Cartan connection…

综合物理 · 物理学 2007-05-23 Jian-Miin Liu

We extend the usual notion of parallel transport along a path to triangulated surfaces. A homotopy of paths is lifted into a fibered category with connection and this defines a functor between the fibers above the boundary paths. These…

数学物理 · 物理学 2007-05-23 Romain Attal

This article presents Holistically-Attracted Wireframe Parsing (HAWP), a method for geometric analysis of 2D images containing wireframes formed by line segments and junctions. HAWP utilizes a parsimonious Holistic Attraction (HAT) field…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Nan Xue , Tianfu Wu , Song Bai , Fu-Dong Wang , Gui-Song Xia , Liangpei Zhang , Philip H. S. Torr

Analytic methods are emerging in solid and configuration modeling, while providing new insights into a variety of shape and motion related problems by exploiting tools from group morphology, convolution algebras, and harmonic analysis.…

计算几何 · 计算机科学 2017-12-05 Morad Behandish , Horea T. Ilies

The sub-Finslerian geometry means that the metric $F$ is defined only on a given subbundle of the tangent bundle, called a horizontal bundle. In the paper, a version of the Hopf-Rinow theorem is proved in the case of sub-Finslerian…

微分几何 · 数学 2023-02-01 Layth M. Alabdulsada , Laszlo Kozma

Finsler geometry is a well known generalization of Riemannian geometry which allows to account for a possibly non trivial structure of the space of configurations of relativistic particles. We here establish a link between Finsler geometry…

广义相对论与量子宇宙学 · 物理学 2015-01-07 Giovanni Amelino-Camelia , Leonardo Barcaroli , Giulia Gubitosi , Stefano Liberati , Niccoló Loret

For each object in a tensor triangulated category, we construct a natural continuous map from the object's support---a closed subset of the category's triangular spectrum---to the Zariski spectrum of a certain commutative ring of…

范畴论 · 数学 2013-09-17 Beren Sanders

We introduce a version of Farber's topological complexity suitable for investigating mechanical systems whose configuration spaces exhibit symmetries. Our invariant has vastly different properties to the previous approaches of Colman-Grant,…

代数拓扑 · 数学 2018-01-09 Zbigniew Błaszczyk , Marek Kaluba

Let f be a function mapping an n dimensional vector space over GF(p) to GF(p). When p is 2, Bernasconi et al. have shown that there is a correspondence between certain properties of f (e.g., if it is bent) and properties of its associated…

组合数学 · 数学 2014-06-05 Charles Celerier , David Joyner , Caroline Melles , David Phillips , Steven Walsh

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

In this paper we describe an approach to complex Finsler metrics suitable to deal with global questions, and stressing the similarities between hermitian and complex Finsler metrics. Let $F$ be a smooth complex Finsler metric on a complex…

复变函数 · 数学 2016-09-06 Marco Abate , Giorgio Patrizio

It is the Hilbert's Fourth Problem to characterize the (not-necessarily-reversible) distance functions on a bounded convex domain in R^n such that straight lines are shortest paths. Distance functions induced by a Finsler metric are…

微分几何 · 数学 2007-05-23 Zhongmin Shen

Recently we have obtained the Cartan connection for the Finsler space whose metric is given by an exponential change with an h-vector. In this paper, we discuss certain geometric properties of a Finslerian hyperspace subjected to an…

微分几何 · 数学 2016-11-23 M. K. Gupta , Anil K. Gupta

Solving point-wise feature correspondence in visual data is a fundamental problem in computer vision. A powerful model that addresses this challenge is to formulate it as graph matching, which entails solving a Quadratic Assignment Problem…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Yongqing Liang , Huijun Han , Xin Li

We propose a natural Fedosov type quantization of generalized Lagrange models and gravity theories with metrics lifted on tangent bundle, or extended to higher dimension, following some stated geometric/ physical conditions (for instance,…

广义相对论与量子宇宙学 · 物理学 2008-01-08 Sergiu I. Vacaru