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We describe the notion of a \emph{weighting} along a submanifold $N\subset M$, and explore its differential-geometric implications. This includes a detailed discussion of weighted normal bundles, weighted deformation spaces, and weighted…

微分几何 · 数学 2024-11-28 Yiannis Loizides , Eckhard Meinrenken

We study a deformation of infinitesimal diffeomorphisms of a smooth manifold. The deformation is based on a general twist. This leads to a differential geometry on a noncommutative algebra of functions whose product is a star-product. The…

高能物理 - 理论 · 物理学 2009-11-11 Paolo Aschieri , Marija Dimitrijevic , Frank Meyer , Julius Wess

We introduce polar metrics on a product manifold, which have product and warped product metrics as special cases. We prove a de Rham-type theorem characterizing Riemannian manifolds that can be locally decomposed as a product manifold…

微分几何 · 数学 2013-06-17 Ruy Tojeiro

We present a theory of information expressed solely in terms of which transformations of physical systems are possible and which are impossible - i.e. in constructor-theoretic terms. Although it includes conjectured laws of physics that are…

量子物理 · 物理学 2015-06-19 David Deutsch , Chiara Marletto

A covariant Poisson bracket and an associated covariant star product in the sense of deformation quantization are defined on the algebra of tensor-valued differential forms on a symplectic manifold, as a generalization of similar structures…

数学物理 · 物理学 2010-09-09 M. Chaichian , M. Oksanen , A. Tureanu , G. Zet

The tenfold classification provides a powerful framework for organizing topological phases of matter based on symmetry and spatial dimension. However, it does not offer a systematic method for transitioning between classes or engineering…

介观与纳米尺度物理 · 物理学 2025-08-08 Amit Goft , Eric Akkermans

The problem of decomposing non-manifold object has already been studied in solid modeling. However, the few proposed solutions are limited to the problem of decomposing solids described through their boundaries. In this thesis we study the…

图形学 · 计算机科学 2019-04-03 Franco Morando

Information geometry and inductive inference methods can be used to model dynamical systems in terms of their probabilistic description on curved statistical manifolds. In this article, we present a formal conceptual reexamination of the…

数学物理 · 物理学 2010-11-29 C. Cafaro , A. Giffin , S. A. Ali , D. -H. Kim

We show a geometric rigidity of isometric actions of non compact (semisimple) Lie groups on Lorentz manifolds. Namely, we show that the manifold has a warped product structure of a Lorentz manifold with constant curvature by a Riemannian…

动力系统 · 数学 2007-05-23 Abdelouahab Arouche , Mohamed Deffaf , Abdelghani Zeghib

In this paper, we prove a dihedral extremality and rigidity theorem for a large class of codimension zero submanifolds with polyhedral boundary in warped product manifolds. We remark that the spaces considered in this paper are not…

微分几何 · 数学 2025-10-22 Jinmin Wang , Zhizhang Xie

We develop an intrinsic information-theoretic approach for recovering Riemannian curvature from the small-time behaviour of heat diffusion. Given a point and a two-plane in the tangent space, we compare the heat mass transported along that…

微分几何 · 数学 2025-11-21 Amandip Sangha

Information theory is a mathematical theory of learning with deep connections with topics as diverse as artificial intelligence, statistical physics, and biological evolution. Many primers on information theory paint a broad picture with…

信息论 · 计算机科学 2019-03-26 Philip Chodrow

In this article topologies on metagroups are studied. They are related with generalized $C^*$-algebras over ${\bf R}$ or ${\bf C}$. Homomorphisms and quotient maps on them are investigated. Structure of topological metagroups is…

算子代数 · 数学 2021-10-29 Sergey Victor Ludkowski

In this note we highlight some connections of UMAP to the basic principles of Information Geometry. Originally, UMAP was derived from Category Theory observations. However, we posit that it also has a natural geometric interpretation.

计算几何 · 计算机科学 2024-12-05 Alexander Kolpakov , Aidan Rocke

In this paper, we study the Einstein multiply warped products with a semi-symmetric non-metric connection and the multiply warped products with a semi-symmetric non-metric connection with constant scalar curvature, we apply our results to…

微分几何 · 数学 2014-07-29 Yong Wang

In this paper, we study some properties of warped product pointwise bi-slant submanifolds in locally metallic Riemannian manifolds and we construct some examples in Euclidean spaces.

微分几何 · 数学 2021-09-14 Cristina E. Hretcanu , Adara M. Blaga

We present a coordinate free approach to derive curvature formulas for pseudo-Riemannian doubly warped product manifolds in terms of curvatures of their submanifolds. We also state the geodesics equation.

数学物理 · 物理学 2014-03-04 Agapitos N. Hatzinikitas

In this paper, we define a semi-symmetric non-metric connection on super Riemannian manifolds. And we compute the curvature tensor and the Ricci tensor of a semi-symmetric non-metric connection on super warped product spaces. Next, we…

微分几何 · 数学 2022-01-25 Tong Wu , Yong Wang

Modern machine learning increasingly leverages the insight that high-dimensional data often lie near low-dimensional, non-linear manifolds, an idea known as the manifold hypothesis. By explicitly modeling the geometric structure of data…

机器学习 · 计算机科学 2026-03-02 Willem Diepeveen , Deanna Needell

Physical systems behave according to their underlying dynamical equations which, in turn, can be identified from experimental data. Explaining data requires selecting mathematical models that best capture the data regularities. Identifying…

数据分析、统计与概率 · 物理学 2014-03-18 Carlo Cafaro