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Given a complex structure, we investigate diverging sequences of projective structures on the fixed complex structure in terms of Thurston's parametrization. In particular, we will give a geometric proof to the theorem by Kapovich stating…

Complex Variables · Mathematics 2009-09-25 Harumi Tanigawa

A general solution to the Complex Bateman equation in a space of arbitrary dimensions is constructed.

solv-int · Physics 2007-05-23 D. B. Fairlie , A. N. Leznov

In this paper, we study metric completions of triangulated categories in a representation-theoretic context. We provide a concrete description of completions of bounded derived categories of hereditary finite dimensional algebras of finite…

Representation Theory · Mathematics 2026-01-22 Cyril Matoušek

We prove the convergence of geodesic distance during the quantization of the space of K\"ahler potentials. As applications, this provides alternative proofs of certain inequalities about the K-energy functional in the projective case.

Differential Geometry · Mathematics 2010-04-13 Xiuxiong Chen , Song Sun

We derive three-dimensional integrable mappings which have two invariants.

Exactly Solvable and Integrable Systems · Physics 2009-11-10 Apostolos Iatrou

We provide a classification of the homogeneous 3-dimensional permutation structures, i.e. homogeneous structures in a language of 3 linear orders, partially answering a question of Cameron. We also arrive at a natural description of all…

Logic · Mathematics 2020-02-26 Samuel Braunfeld

We introduce a distance in the space of fully-supported probability measures on one-dimensional symbolic spaces. We compare this distance to the $\bar{d}$-distance and we prove that in general they are not comparable. Our projective…

Dynamical Systems · Mathematics 2015-03-04 Liliana Trejo-Valencia , Edgardo Ugalde

Urban 3D modeling from satellite images requires accurate semantic segmentation to delineate urban features, multiple view stereo for 3D reconstruction of surface heights, and 3D model fitting to produce compact models with accurate surface…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Shea Hagstrom , Hee Won Pak , Stephanie Ku , Sean Wang , Gregory Hager , Myron Brown

We investigate geometric properties of homogeneous parabolic geometries with generalized symmetries. We show that they can be reduced to a simpler geometric structures and interpret them explicitly. For specific types of parabolic…

Differential Geometry · Mathematics 2016-08-10 Jan Gregorovič , Lenka Zalabová

In this paper, we characterize locally dually flat generalized m-th root Finsler metrics. Then we find a condition under which a generalized m-th root metric is projectively related to a m-th root metric. Finally, we prove that if a…

Differential Geometry · Mathematics 2013-02-15 A. Tayebi , E. Peyghan , M. Shahbazi

We prove a new characterization of complex projective space using lengths of extremal rays.

Algebraic Geometry · Mathematics 2026-02-26 Osamu Fujino , Eric Jovinelly , Brian Lehmann , Eric Riedl

We prove that the isometric embedding of any metric of differentiability class C1 in E3 exists. We use simplified notation for the given metric, namely geodesic parameters, and level parameters for the embedded surface in E3. Central to our…

Differential Geometry · Mathematics 2022-10-07 Edgar Kann

We model a problem motivated by road design as a feasibility problem. Projections onto the constraint sets are obtained, and projection methods for solving the feasibility problem are studied. We present results of numerical experiments…

Optimization and Control · Mathematics 2013-01-22 Heinz H. Bauschke , Valentin R. Koch

Dispersion, impedance matching and resolution characteristics of an isotropic three-dimensional flat lens ("superlens") are studied. The lens is based on cubic meshes of interconnected transmission lines and bulk loads. We study a practical…

Optics · Physics 2009-11-13 Pekka Alitalo , Sergei Tretyakov

We present a local classification of smooth projective surfaces in 3-space via projective transformations in accordance with singularity types of central projections up to codimension 4. We also discuss relations between our classification…

Differential Geometry · Mathematics 2016-09-28 Hiroaki Sano , Yutaro Kabata , Jorge Luiz Deolindo Silva , Toru Ohmoto

In recent years there has been much interest -and progress- in understanding projections of many concrete fractals sets and measures. The general goal is to be able to go beyond general results such as Marstrand's Theorem, and quantify the…

Dynamical Systems · Mathematics 2015-01-06 Pablo Shmerkin

In this paper we study the degeneration of convex real projective structures on bordered surfaces.

Geometric Topology · Mathematics 2018-12-13 Inkang Kim

For each $n\geq 3$ we give examples of infinitesimally rigid projective manifolds of general type of dimension $n$ with non-contractible universal cover. We provide examples with projective and examples with non-projective universal cover.

Algebraic Geometry · Mathematics 2023-03-08 Davide Frapporti , Christian Gleissner

We examine three-dimensional metric deformations based on a tetrad transformation through the action the matrices of scalar fields. We describe by this approach to deformation the results obtained by Coll et al. in [1], where it is stated…

General Relativity and Quantum Cosmology · Physics 2015-02-05 Daniela Pugliese , Cosimo Stornaiolo

The basic tool for solving problems in metric geometry and isotonic regression is the metric projection onto closed convex cones. Isotonicity of these projections with respect to a given order relation can facilitate finding the solutions…

Optimization and Control · Mathematics 2016-02-16 A. B. Németh , S. Z. Németh