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math.ST2025
A Simple Geometric Proof of the Optimality of the Sequential Probability Ratio Test for Symmetric Bernoulli Hypotheses
Chirag Pabbaraju, Gregory Valiant, Rishi Verma
This paper revisits the classical problem of determining the bias of a weighted coin, where the bias is known to be either or , while…
math.ST2025
Attainability of Two-Point Testing Rates for Finite-Sample Location Estimation
Spencer Compton, Gregory Valiant
Le Cam's two-point testing method yields perhaps the simplest lower bound for estimating the mean of a distribution: roughly, if it is impossible to well-distinguish a distribution…