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math.PR2026
A small noise approximation for Muller's Ratchet
Carola Sophia Heinzel, Peter Pfaffelhuber, Anton Wakolbinger
We consider an infinite system of SDEs with Fleming-Viot noise indexed by , whose parameters , and are the (deleterious) selection coefficient, the (uni-dir…
math.PR2026
Optimal strategies in the all-heads coin game
Peter Pfaffelhuber
We study a sequential coin-flipping game: a player starts with ~coins, each heads with probability~, and in each round flips all remaining coins and must set aside at least o…