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Random walks over weighted complex networks: Are the most occupied nodes the nearest ones?
Indexado
WoS WOS:001460220200001
Scopus SCOPUS_ID:105001396027
DOI 10.1016/J.CNSNS.2025.108778
Año 2025
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



In this paper, we study the relationship between occupation and closeness of nodes for particles moving in a random walk on weighted complex networks, such that the adjacency and transition matrices define the outgoing neighbors of a node and transition probabilities to them, respectively, for packages that pass through the node in question. To answer this question for different network topologies and transition probabilities, we propose two new planes involving occupation, closeness, and transient time, which characterize the transport properties of the networks, as opposed to the more static representations of the network, as previously reported. The first plane provides a local relation between occupation and closeness of nodes, while the second plane relates the average closeness and average transient time to converge to the asymptotic state of the network as a whole. We compare 16 different topologies considering complex real-world and synthetic networks. In all the cases considered, we found an approximate inverse relation between occupation and closeness of nodes, and a direct relation between the global transient time and average closeness of the network. The calculations are done directly from the network topology and transition probabilities, but they can also be estimated by directly simulating the network transport. Hence, these planes provide a complementary view of the transportation dynamics on complex networks.

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Disciplinas de Investigación



WOS
Mathematics, Applied
Mechanics
Mathematics, Interdisciplinary Applications
Physics, Mathematical
Physics, Fluids & Plasmas
Scopus
Engineering (All)
Modeling And Simulation
Applied Mathematics
Numerical Analysis
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Medina, Pablo Hombre Universidad de Los Andes, Chile - Colombia
Universidad de Los Andes, Colombia - Colombia
2 Espinoza, Tomas P. - Universidad de Chile - Chile
3 Carrasco, Sebastian C. - Universidad de Chile - Chile
4 Rosa, Reinaldo R. - SJC SP Brazil - Brasil
Instituto Nacional de Pesquisas Espaciais - Brasil
5 ROGAN-CASTILLO, JOSE ANTONIO Hombre Universidad de Chile - Chile
Centro para el Desarrollo de la Nanociencia y la Nanotecnologia - Chile
6 Valdivia, Juan Alejandro Hombre Universidad de Chile - Chile
Centro para el Desarrollo de la Nanociencia y la Nanotecnologia - Chile

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Financiamiento



Fuente
Fondo Nacional de Desarrollo Científico y Tecnológico
Air Force Office of Scientific Research
Agencia Nacional de Investigación y Desarrollo
ANID/FONDECYT Regular
AFOSR Project

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
Pablo Medina and Juan Alejandro Valdivia acknowledge support from AFOSR project FA9550-20-1-0189. Jose Rogan and Juan Alejandro Valdivia acknowledge support of ANID/Fondecyt Regular grants #1240655 and #1240697, respectively. We also would like to thank one of the referees for suggesting some comments about the diffusion equation.
Pablo Medina and Juan Alejandro Valdivia acknowledge support from AFOSR project FA9550-20-1-0189. Jos\u00E9 Rogan and Juan Alejandro Valdivia acknowledge support of ANID/Fondecyt Regular grants #1240655 and #1240697, respectively. We also would like to thank one of the referees for suggesting some comments about the diffusion equation.
Pablo Medina and Juan Alejandro Valdivia acknowledge support from AFOSR project FA9550-20-1-0189 . Jos\u00E9 Rogan and Juan Alejandro Valdivia acknowledge support of ANID/Fondecyt Regular grants #12406551240697 and #1240697 , respectively. We also would like to thank one of the referees for suggesting some comments about the diffusion equation.

Muestra la fuente de financiamiento declarada en la publicación.