Yanjun Han

collaborators

3 papers

math.PR2026

Sharp small-deviation inequalities for sums of independent nonnegative random variables

Weibo Fu, Yanjun Han, Guanyang Wang +3

Let $(X_{1}, \dots, X_{n})$ be independent nonnegative random variables with $E X_{i} \leq 1$ , and write $S = \sum_{i} X_{i}$ . For $I^´ > 0$ , we prove that \[ \mathbb{P}\left(S<\mathbb{E} S+Î…

math.ST2025

Minimax optimal testing by classification

Patrik RÃ³bert Gerber, Yanjun Han, Yury Polyanskiy

This paper considers an ML inspired approach to hypothesis testing known as classifier/classification-accuracy testing ( $CAT$ ). In $CAT$ , one first trains a class…

cs.LG2025

Learning to Bid Optimally and Efficiently in Adversarial First-price Auctions

Yanjun Han, Zhengyuan Zhou, Aaron Flores +2

First-price auctions have very recently swept the online advertising industry, replacing second-price auctions as the predominant auction mechanism on many platforms. This shift ha…