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math.PR2024
Quasi-stationary distributions of non-absorbing Markov chains
Roberto Fernandez, Francesco Manzo, Matteo Quattropani +1
We consider reversible ergodic Markov chains with finite state space, and we introduce a new notion of quasi-stationary distribution that does not require the presence of any absor…
math.PR2024
Repeated Block Averages: entropic time and mixing profiles
Pietro Caputo, Matteo Quattropani, Federico Sau
We consider randomized dynamics over the -simplex, where at each step a random set, or block, of coordinates is evenly averaged. When all blocks have size 2, this reduces to the…