3 papers
physics.soc-ph2026
Modeling inhomogeneous spatial point configurations with applications to replicated patterns in waiting crowds
Lars Sickert Karam, Rui M. Castro, Maarten Schoukens +1
In this article, we connect statistical inference for spatial point processes with the analysis of waiting pedestrian crowds through two interconnected contributions. First, on the…
math.ST2026
Anytime-Valid Tests for Sparse Anomalies
Muriel F. Pérez-Ortiz, Rui M. Castro, Ivo V. Stoepker
We consider the problem of testing sequentially for the presence of sparse anomalies among a large number of data streams. To this end, we design and analyze Anytime-Valid (AV) tes…
stat.ME2025
Sparse Anomaly Detection Across Referentials: A Rank-Based Higher Criticism Approach
Ivo V. Stoepker, Rui M. Castro, Ery Arias-Castro
Detecting anomalies in large sets of observations is crucial in various applications, such as epidemiological studies, gene expression studies, and systems monitoring. We consider…