2 papers
math.PR2026
Selection principles for quasi-stationary distributions and reinforcement processes
Michel Benaïm, Tresnia Berah, Pierre Germain
Let be a sub-Markov matrix on a finite set , representing the transition probabilities of a Markov chain on \(S\) absorbed at a cemetery point . We conside…
math.AP2025
Bounds for spectral projectors on the three-dimensional torus
Pierre Germain, Simon L. Rydin Myerson, Daniel Pezzi
We study to operator norms of spectral projectors for the Euclidean Laplacian on the torus in the case where the spectral window is narrow. With a window of constant si…