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Št. zadetkov: 5
Age and market capitalization drive large price variations of cryptocurrencies
Arthur A. B. Pessa, Matjaž Perc, Haroldo V. Ribeiro
Izvirni znanstveni članek
Oznake: kriptovalute;sprememba cene;stržna vrednost;ekonofizika;ne zaključna dela;cryptocurrency;price variation;market value;econophysics;
Cryptocurrencies are considered the latest innovation in finance with considerable impact across social, technological, and economic dimensions. This new class of financial assets has also motivated a myriad of scientific investigations focused on understanding their statistical properties, such as ...
Leto: 2023 Vir: Fakulteta za naravoslovje in matematiko (UM FNM)
Complexity of the COVID‑19 pandemic in Maringá
Andre S. Sunahara, Arthur A. B. Pessa, Matjaž Perc, Haroldo V. Ribeiro
Izvirni znanstveni članek
Oznake: kompleksni sistem;korelacije;epidemije;ne zaključna dela;complex system;correlation;epidemics;
While extensive literature exists on the COVID-19 pandemic at regional and national levels, understanding its dynamics and consequences at the city level remains limited. This study investigates the pandemic in Maringá, a medium-sized city in Brazil’s South Region, using data obtained by actively mo ...
Leto: 2023 Vir: Fakulteta za naravoslovje in matematiko (UM FNM)
Two-by-two ordinal patterns in art paintings
Mateus M. Tarozo, Arthur A. B. Pessa, Luciano Zunino, Osvaldo A. Rosso, Matjaž Perc, Haroldo V. Ribeiro
Izvirni znanstveni članek
Oznake: prostorski vzorci;kompleksnost;estetska mera;umetnostna zgodovina;fizika družbe;spatial patterns;complexity;esthetic measure;art history;social physics;
Quantitative analysis of visual arts has recently expanded to encompass a more extensive array of artworks due to the availability of large-scale digitized art collections. Consistent with formal analyses by art historians, many of these studies highlight the significance of encoding spatial structu ...
Leto: 2025 Vir: Fakulteta za naravoslovje in matematiko (UM FNM)
Structural roles and gender disparities in corruption networks
Arthur A. B. Pessa, Alvaro F. Martins, Mônica V. Prates, Sebastián Gonçalves, Cristina Masoller, Matjaž Perc, Haroldo V. Ribeiro
Izvirni znanstveni članek
Oznake: neenakost med spoloma;korupcijska mreža;politični škandal;fizika družbe;gender disparity;corruption network;political scandal;social physics;
Criminal activities are predominantly due to males, with females exhibiting a significantly lower involvement, especially in serious offenses. This pattern extends to organized crime, where females are often perceived as less tolerant to illegal practices. However, the roles of males and females wit ...
Leto: 2025 Vir: Fakulteta za naravoslovje in matematiko (UM FNM)
Deep learning criminal networks
Haroldo V. Ribeiro, Diego D. Lopes, Arthur A. B. Pessa, Alvaro F. Martins, Bruno R. da Cunha, Sebastián Gonçalves, Ervin K. Lenzi, Quentin S. Hanley, Matjaž Perc, Matjaž Perc
Izvirni znanstveni članek
Oznake: organiziran kriminal;kompleksnost;napovedovanje kriminala;GraphSAGE;ne zaključna dela;organized crime;complexity;crime prediction;
Recent advances in deep learning methods have enabled researchers to develop and apply algorithms for the analysis and modeling of complex networks. These advances have sparked a surge of interest at the interface between network science and machine learning. Despite this, the use of machine learnin ...
Leto: 2023 Vir: Fakulteta za naravoslovje in matematiko (UM FNM)
Št. zadetkov: 5
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