Andrew Zhao

From Unequal Chance to a Coin Game Dance: Variants of Penney’s Game

2021 · Recreational mathematics magazine

Abstract We start by exploring and analyzing the various aspects of Penney’s game, examining its possible outcomes as well as its fairness (or lack thereof). In search of a fairer game, we create many variations …

Group-theoretic error mitigation enabled by classical shadows and symmetries

2023 · arXiv (Cornell University)

Estimating expectation values is a key subroutine in quantum algorithms. Near-term implementations face two major challenges: a limited number of samples required to learn a large collection of observables, and the accumulation of errors in …