Cl-BAI and BAI-Cl identify the best arm for each agent in clustered federated bandits with fixed-confidence guarantees, and a variant is shown order-wise minimax optimal when the number of clusters is constant.
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Near Optimal Best Arm Identification for Clustered Bandits
Cl-BAI and BAI-Cl identify the best arm for each agent in clustered federated bandits with fixed-confidence guarantees, and a variant is shown order-wise minimax optimal when the number of clusters is constant.