3 papers
cs.SI2025
Concentration Within Distribution: Unmasking Bitcoin's Structural Centralization Through Network Science
Myriam Nonaka, F. Javier MarÃn-RodrÃguez, Alexander Jiricny +4
We construct the Bitcoin User Network (BUN) directly from raw blockchain data up to late 2025, which allows us to explore its mesoscopic properties and trace its temporal evolution…
cs.SI2025
Fully personalized PageRank and algebraic methods to distribute a random walker
Gonzalo Contreras-Aso, Regino Criado, Miguel Romance
We present a comprehensive analysis of algebraic methods for controlling the stationary distribution of PageRank-like random walkers. Building upon existing literature, we compile…
cs.SD2025
On the application of Visibility Graphs in the Spectral Domain for Speaker Recognition
Hernan Bocaccio, Sergio Iglesias-Pérez, Miguel Romance +2
In this study, we explore the potential of visibility graphs in the spectral domain for speaker recognition. Adult participants were instructed to record vocalizations of the five…