Discrete curvature

Fuente: arXiv
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Main Author: Izmestiev, Ivan
Format: Preprint
Published: 2025
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author Izmestiev, Ivan
author_facet Izmestiev, Ivan
contents The combination of words ``discrete curvature'' is only an apparent contradiction. In this survey we describe curvature notions associated with polygons, polyhedral surfaces, and with abstract polyhedral manifolds. Several theorems about the discrete curvature are stated that repeat literally classical theorems of differential and Riemannian geometry: Theorema Egregium, Gauss--Bonnet theorem, and the Chern--Gauss--Bonnet theorem among the others. Some convergence results are also mentioned: under certain assumptions the discrete curvature tends to the smooth curvature as a smooth object is approximated by polyhedral ones.
format Preprint
id arxiv_https___arxiv_org_abs_2502_09353
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Discrete curvature
Izmestiev, Ivan
Differential Geometry
Metric Geometry
53A70
The combination of words ``discrete curvature'' is only an apparent contradiction. In this survey we describe curvature notions associated with polygons, polyhedral surfaces, and with abstract polyhedral manifolds. Several theorems about the discrete curvature are stated that repeat literally classical theorems of differential and Riemannian geometry: Theorema Egregium, Gauss--Bonnet theorem, and the Chern--Gauss--Bonnet theorem among the others. Some convergence results are also mentioned: under certain assumptions the discrete curvature tends to the smooth curvature as a smooth object is approximated by polyhedral ones.
title Discrete curvature
topic Differential Geometry
Metric Geometry
53A70
url https://arxiv.org/abs/2502.09353