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We calculate the $L^2$-Alexander torsion for Seifert fiber spaces and graph manifolds in terms of the Thurston norm.

Geometric Topology · Mathematics 2016-03-31 Gerrit Herrmann

Properties of the recently reported homogeneous Hilbert curves are deduced and reported. The nature of the affine transformations involved in the construction of the Hilbert curves is explored. The analytical representation of proper and…

Algebraic Geometry · Mathematics 2013-11-13 E. Estevez-Rams , I. Brito-Reyes

The tensorial curvature measures are tensor-valued generalizations of the curvature measures of convex bodies. We prove a set of Crofton formulae for such tensorial curvature measures. These formulae express the integral mean of the…

Metric Geometry · Mathematics 2016-07-15 Daniel Hug , Jan A. Weis

Contrast functions play a fundamental role in information geometry, providing a means for generating the geometric structures of a statistical manifold: a pseudo-Riemannian metric and a pair of torsion-free conjugate affine connections.…

Differential Geometry · Mathematics 2025-11-11 Florio M. Ciaglia , Giuseppe Marmo , Marco Pacelli , Luca Schiavone , Alessandro Zampini

This paper aims to develop a theory of projective and affine structures on higher-dimensional varieties in positive characteristic. This theory deals with Frobenius-projective and Frobenius-affine structures, which have been previously…

Algebraic Geometry · Mathematics 2026-05-19 Yasuhiro Wakabayashi

The Hodge numerical invariants of a variation of Hodge structure over a smooth quas--projective variety are a measure of complexity for the global twisting of the limit mixed Hodge structure when it degenerates. These invariants appear in…

Algebraic Geometry · Mathematics 2020-12-16 Mohammad Reza Rahmati

We prove that refined analytic torsion on a manifold with boundary is an analytic section of the determinant line bundle over the representation variety. As a fundamental application we establish a gluing formula for refined analytic…

Spectral Theory · Mathematics 2018-01-16 Maxim Braverman , Boris Vertman

Geometric frameworks for analyzing curves are common in applications as they focus on invariant features and provide visually satisfying solutions to standard problems such as computing invariant distances, averaging curves, or registering…

Methodology · Statistics 2025-11-24 Perrine Chassat , Juhyun Park , Nicolas Brunel

We extend Turaev's theory of Euler structures and torsion invariants on 3-manifolds to the case of vector fields having generic behavior on the boundary. This allows to easily define gluings of Euler structures and to develop a completely…

Geometric Topology · Mathematics 2018-05-08 Stefano Borghini

We define analytic torsion of Z_2-graded elliptic complexes as an element in the graded determinant line of the cohomology of the complex, generalizing most of the variants of Ray-Singer analytic torsion in the literature. It applies to a…

Differential Geometry · Mathematics 2014-03-27 Varghese Mathai , Siye Wu

The Teukolsky Master Equation is the basic tool for study of perturbations of the Kerr metric in linear approximation. It admits separation of variables, thus yielding the Teukolsky Radial Equation and the Teukolsky Angular Equation. We…

General Relativity and Quantum Cosmology · Physics 2010-05-25 Plamen P. Fiziev

During the application of mass-action equation models to the study of amyloid fiber formation, time-consuming numerical calculations constitute a major bottleneck when no analytical solution is available. To conquer this difficulty, here an…

Biological Physics · Physics 2015-06-12 Pengzhen Tan , Liu Hong

We classify fibrations by integral plane projective rational quartic curves whose generic fibre is regular but admits a non-smooth point that is a canonical divisor. These fibrations can only exist in characteristic two. The geometric…

Algebraic Geometry · Mathematics 2025-10-27 Cesar Hilario , Karl-Otto Stöhr

In this short note we discuss discrete torsion in orientifolds. In particular, we apply the physical understanding of discrete torsion worked out several years ago, as group actions on B fields, to the case of orientifolds, and recover some…

High Energy Physics - Theory · Physics 2011-03-28 E. Sharpe

For a compact convex set F in R^n, with the origin in its interior, we present a formula to compute the curvature at a fixed point on its boundary, in the direction of any tangent vector. This formula is equivalent to the existing ones, but…

Metric Geometry · Mathematics 2021-06-01 F. F. Pereira

In this paper, we extend the method developed in [17, 18] to curves in the Minkowski plane. The method proposes a way to study deformations of plane curves taking into consideration their geometry as well as their singularities. We deal in…

Differential Geometry · Mathematics 2020-07-10 A. P. Francisco

We construct relatively bounded toroidal and toric models of relatively bounded fibrations over curves.

Algebraic Geometry · Mathematics 2026-03-06 Caucher Birkar

This paper proposes direct and inverse results for the Dirichlet and Dirichlet to Neumann problems for complex curves with nodal type singularities. As an application, we give a method to reconstruct the conformal structure of a compact…

Complex Variables · Mathematics 2015-06-12 Gennadi Henkin , Vincent Michel

We will introduce formal frames of manifolds, which are a generalization of ordinary frames. Their fundamental properties are discussed. In particular, canonical forms are introduced, and torsions are defined in terms of them as a…

Differential Geometry · Mathematics 2023-03-15 Taro Asuke

We establish algebraicity criteria for formal germs of curves in algebraic varieties over number fields and apply them to derive a rationality criterion for formal germs of functions, which extends the classical rationality theorems of…

Number Theory · Mathematics 2018-09-25 Jean-Benoît Bost , Antoine Chambert-Loir