Showing stat.MLShow all
2 papers · 1 filter
stat.ML2026
Adaptive Random Matrices in Gaussian Bandits: Spectral Universality and Selection-Induced Outliers
Sudarshan Manikantan, Abhishek Bhattacharjee
Adaptive arm selection changes the distribution of the observations collected by a bandit algorithm, but it need not change their limiting empirical spectrum. We study Gaussian ban…
stat.ML2026
Exact Bayes Regret and Asymptotic Optimality in High-Dimensional Gaussian Bandits
Prakhar Singhvi, Yi Zou, Abhishek Bhattacharjee
We study Bayesian linear bandits with an isotropic Gaussian parameter, independent Gaussian candidate arms, and Gaussian reward noise when the horizon is proportional to the dimens…