We investigate the collective dynamics of multi-agent systems in two- and three-dimensional environments generated by minimizing discrete Ricci curvature with local and non-local interaction neighbourhoods. We find that even a single effective topological neighbour suffices for significant order in a system with non-local topological interactions. We also explore topological information flow patterns and clustering dynamics using Hodge spectral entropy and mean Forman-Ricci curvature.
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http://dx.doi.org/10.1098/rsos.240794 | DOI Listing |
IUCrJ
March 2025
Department of Chemistry, Università degli Studi di Milano, via Golgi 19, 20133 Milano, Italy.
A detailed study of the X...
View Article and Find Full Text PDFAppl Spectrosc
January 2025
Department of Physics & Applied Physics, Kennedy College of Sciences, University of Massachusetts Lowell, Lowell, Massachusetts, USA.
Under various atmospheric conditions, laser-induced breakdown spectroscopy (LIBS) is a powerful technique for elemental analysis, including in Earth- and Mars-like environments. However, understanding the plasma behavior and its dependence on ambient pressure and laser parameters remains a challenge. In this study, a numerical model based on a three-temperature Eulerian radiation framework under non-local thermodynamic equilibrium conditions is employed to investigate the interaction of a nanosecond laser pulse with a graphite target under helium (He) and carbon dioxide (CO atmospheres.
View Article and Find Full Text PDFSci Rep
January 2025
School of Automation and Electrical Engineering, Shenyang Ligong University, Shenyang, 110159, China.
J Chem Phys
December 2024
Computational Science Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea.
Graph neural network interatomic potentials (GNN-IPs) are gaining significant attention due to their capability of learning from large datasets. Specifically, universal interatomic potentials based on GNN, usually trained with crystalline geometries, often exhibit remarkable extrapolative behavior toward untrained domains, such as surfaces and amorphous configurations. However, the origin of this extrapolation capability is not well understood.
View Article and Find Full Text PDFEnviron Manage
December 2024
Centro de Estudios Demográficos, Urbanos y Ambientales, El Colegio de México A.C., Mexico City, Mexico.
Collaborative management of hydrological ecosystem services (HES) is crucial for their conservation and involves diverse stakeholders at three levels: environmental and land-use management (ELM), harvesting and physical access (HPA), and appropriation and appreciation (AA). This study analyzes collaborative networks within and between these levels in the Copalita-Huatulco watershed, Mexico, using a monoplex and multiplex social network approach to understand stakeholder interactions. Results indicate that the ELM and AA networks are diverse and polycentric, with NGOs occupying an influential role.
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