3 papers
math.PR2025
Spectral gap for the signed interchange process with arbitrary sets
Gil Alon, Subhajit Ghosh
In 2020, F. Cesi introduced a random walk on the hyperoctahedral group and analysed its spectral gap when the allowed generators are transpositions and diagonal elements corr…
math.GR2023
On the Aldous-Caputo Spectral Gap Conjecture for Hypergraphs
Gil Alon, Gady Kozma, Doron Puder
In their celebrated paper (arXiv:0906.1238), Caputo, Liggett and Richthammer proved Aldous' conjecture and showed that for an arbitrary finite graph, the spectral gap of the interc…
stat.AP2020
Diagnosis Prevalence vs. Efficacy in Machine-learning Based Diagnostic Decision Support
Gil Alon, Elizabeth Chen, Guergana Savova +1
Many recent studies use machine learning to predict a small number of ICD-9-CM codes. In practice, on the other hand, physicians have to consider a broader range of diagnoses. This…