P. N. Karthik

activity

20172026

most citedFederated Best Arm Identification with Heterogeneous Clients

4 citations · 9 across the 12 of their papers we have counts for

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2 papers · 1 filter

cs.LG2026

Almost Asymptotically Optimal Active Clustering Through Pairwise Observations

Rachel S. Y. Teo, P. N. Karthik, Ramya Korlakai Vinayak +1

We propose a new analysis framework for clustering $M$ items into an unknown number of $K$ distinct groups using noisy and actively collected responses. At each time step, an agent…

math.ST2026

Asymptotically Optimal Sequential Testing with Markovian Data

Alhad Sethi, Kavali Sofia Sagar, Shubhada Agrawal +2

We study one-sided and $α$ -correct sequential hypothesis testing for data generated by an ergodic, finite-state Markov chain. The null hypothesis is that the unknown transition mat…