A System of Hamilton-Jacobi Equations Characterizing Geodesic Centroidal Tessellations

doi:10.1007/s42967-023-00276-8

Communications on Applied Mathematics and Computation ›› 2025, Vol. 7 ›› Issue (1): 289-314.doi: 10.1007/s42967-023-00276-8

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A System of Hamilton-Jacobi Equations Characterizing Geodesic Centroidal Tessellations

Fabio Camilli¹, Adriano Festa²

1 Dip. di Scienze di Base e Applicate per l'Ingegneria, Sapienza Università di Roma, via Scarpa 16, Roma 00161, Italy;
2 Dip. di Scienze Matematiche "Giuseppe Luigi Lagrange", Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino 10129, Italy

收稿日期:2022-05-27 修回日期:2022-12-06 接受日期:2023-03-28 出版日期:2025-04-21 发布日期:2025-04-21
通讯作者: Adriano Festa,adriano.festa@polito.it;Fabio Camilli,fabio.camilli@uniroma1.it E-mail:adriano.festa@polito.it;fabio.camilli@uniroma1.it
基金资助:
Open access funding provided by Politecnico di Torino within the CRUI-CARE Agreement. The present research was partially supported by MIUR Grant “Dipartimenti Eccellenza 2018-2022” CUP: E11G18000350001, DISMA, Politecnico di Torino and by the Italian Ministry for University and Research (MUR) through the PRIN 2020 project “Integrated Mathematical Approaches to Socio-Epidemiological Dynamics” (No. 2020JLWP23, CUP: E15F21005420006).

A System of Hamilton-Jacobi Equations Characterizing Geodesic Centroidal Tessellations

Fabio Camilli¹, Adriano Festa²

1 Dip. di Scienze di Base e Applicate per l'Ingegneria, Sapienza Università di Roma, via Scarpa 16, Roma 00161, Italy;
2 Dip. di Scienze Matematiche "Giuseppe Luigi Lagrange", Politecnico di Torino, Corso Duca degli Abruzzi, 24, Torino 10129, Italy

Received:2022-05-27 Revised:2022-12-06 Accepted:2023-03-28 Online:2025-04-21 Published:2025-04-21
Supported by:
Open access funding provided by Politecnico di Torino within the CRUI-CARE Agreement. The present research was partially supported by MIUR Grant “Dipartimenti Eccellenza 2018-2022” CUP: E11G18000350001, DISMA, Politecnico di Torino and by the Italian Ministry for University and Research (MUR) through the PRIN 2020 project “Integrated Mathematical Approaches to Socio-Epidemiological Dynamics” (No. 2020JLWP23, CUP: E15F21005420006).

摘要/Abstract

摘要： We introduce a class of systems of Hamilton-Jacobi equations characterizing geodesic centroidal tessellations, i.e., tessellations of domains with respect to geodesic distances where generators and centroids coincide. Typical examples are given by geodesic centroidal Voronoi tessellations and geodesic centroidal power diagrams. An appropriate version of the Fast Marching method on unstructured grids allows computing the solution of the Hamilton-Jacobi system and, therefore, the associated tessellations. We propose various numerical examples to illustrate the features of the technique.

关键词: Geodesic distance, Voronoi tessellation, K-means, Power diagram, HamiltonJacobi equation, Mean Field Games, Fast Marching method

Abstract: We introduce a class of systems of Hamilton-Jacobi equations characterizing geodesic centroidal tessellations, i.e., tessellations of domains with respect to geodesic distances where generators and centroids coincide. Typical examples are given by geodesic centroidal Voronoi tessellations and geodesic centroidal power diagrams. An appropriate version of the Fast Marching method on unstructured grids allows computing the solution of the Hamilton-Jacobi system and, therefore, the associated tessellations. We propose various numerical examples to illustrate the features of the technique.

Key words: Geodesic distance, Voronoi tessellation, K-means, Power diagram, HamiltonJacobi equation, Mean Field Games, Fast Marching method

中图分类号:

Fabio Camilli, Adriano Festa. A System of Hamilton-Jacobi Equations Characterizing Geodesic Centroidal Tessellations[J]. Communications on Applied Mathematics and Computation, 2025, 7(1): 289-314.

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A System of Hamilton-Jacobi Equations Characterizing Geodesic Centroidal Tessellations

A System of Hamilton-Jacobi Equations Characterizing Geodesic Centroidal Tessellations

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