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Similarity networks of ordinal-pattern transitions classify falling paper trajectories

Paper fragments in free fall constitute a simple yet paradigmatic mechanical system exhibiting remarkably complex motions. Despite a long history of investigation, this system has defied comprehensive first-principles modeling, motivating the …

Nearest neighbor permutation entropy detects phase transitions in complex high-pressure systems

Understanding the high-pressure phase behavior of carbon dioxide-hydrocarbon mixtures is of considerable interest owing to their wide range of applications. Under certain conditions, these systems are not amenable to direct visual monitoring, and …

Structural roles and gender disparities in corruption networks

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 …

Diffusion in a comb-structured media: Non-local terms and stochastic resetting

We examine the dynamics of a system influenced by a backbone structure, incorporating linear non-local terms that account for both irreversible and reversible processes, such as absorption and adsorption--desorption. Additionally, we introduce …

Two-by-two ordinal patterns in art paintings

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 …

Diffusion in comb-structured surfaces coupled to bulk processes

From the analytical perspective, we investigate the diffusion processes that arise from a system composed of a surface with a backbone structure coupled to the bulk via the boundary conditions. The problem is formulated in terms of diffusion …

Impact of inter-city interactions on disease scaling

Inter-city interactions are critical for the transmission of infectious diseases, yet their effects on the scaling of disease cases remain largely underexplored. Here, we use the commuting network as a proxy for inter-city interactions, integrating …

Quantifying the 15-minute city concept

Amid growing urbanization, the 15-minute city model seeks to transform city living by ensuring essential services are just a short walk away. New research now quantitatively measures this urban ideal, revealing significant disparities in access …

Shape patterns in popularity series of video games

In recent years, digital games have become increasingly present in people’s lives both as a leisure activity or in gamified activities of everyday life. Despite this growing presence, large-scale, data-driven analyses of video games remain a small …

Characterizing unstructured data with the nearest neighbor permutation entropy

Permutation entropy and its associated frameworks are remarkable examples of physics-inspired techniques adept at processing complex and extensive datasets. Despite substantial progress in developing and applying these tools, their use has been …