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Haroldo V. Ribeiro

@hvribeiro.bsky.social
66 followers 117 following 7 posts

Professor of Physics at Universidade Estadual de Maringá. Researching Complex Systems, Statistical Physics, Networks, and Data Science. Co-lead at complex.pfi.uem.br

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Haroldo V. Ribeiro @hvribeiro.bsky.social · 02/07/2025
Here is the published version in Scientific Reports: www.nature.com/articles/s41...
nature.com
Nearest neighbor permutation entropy detects phase transitions in complex high-pressure systems - Scientific Reports
Scientific Reports - Nearest neighbor permutation entropy detects phase transitions in complex high-pressure systems
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Haroldo V. Ribeiro @hvribeiro.bsky.social · 17/06/2025
Our article, Nearest neighbor permutation entropy detects phase transitions in complex high-pressure systems, accepted in Scientific Reports, develops a robust and accurate method for detecting phase transitions using spectrophotometric data arxiv.org/abs/2506.06516 #PhaseTransitions #ComplexSystems
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Haroldo V. Ribeiro @hvribeiro.bsky.social · 23/04/2025
Our latest paper, "Structural roles and gender disparities in corruption networks," is out in Scientific Reports. We find that females comprise just 10%/20% of corruption agents in Brazil/Spain, yet network properties of these criminals show no significant gender-specific bias - rdcu.be/ei2l0
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Haroldo V. Ribeiro @hvribeiro.bsky.social · 27/03/2025
Here is the published version in PNAS Nexus: academic.oup.com/pnasnexus/ar...
academic.oup.com
Two-by-two ordinal patterns in art paintings
Abstract. Quantitative analysis of visual arts has recently expanded to encompass a more extensive array of artworks due to the availability of large-scale
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Haroldo V. Ribeiro @hvribeiro.bsky.social · 14/03/2025
Our paper "Two-by-two ordinal patterns in art paintings" has just been accepted in PNAS Nexus. We explore 2x2 ordinal pixel-intensity patterns across ~140k paintings, revealing visual structures that track artistic styles and historical shifts in art. arxiv.org/abs/2503.09844
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Haroldo V. Ribeiro @hvribeiro.bsky.social · 03/01/2025
Our new paper, "Impact of inter-city interactions on disease scaling," is out in Scientific Reports! We explore how population & commuting networks drive infectious disease incidence across Brazilian cities. 🔗 www.nature.com/articles/s41... #UrbanScaling #Epidemiology
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Reposted by Haroldo V. Ribeiro
Diego Rybski @diegorybski.bsky.social · 07/10/2024
Luca's book is finally out, with exciting contributions by many colleagues: www.routledge.com/Urban-Scalin...
routledge.com
Urban Scaling: Allometry in Urban Studies and Spatial Science
Urban allometry empirically describes how “things”, for example crime, GDP, emissions, energy use, area, street length, housing prices, etc. change in cities when their size, in terms of population, i...
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Haroldo V. Ribeiro @hvribeiro.bsky.social · 17/09/2024
Bluesky now has over 10 million users, and I was #1,926,538!
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