Author

Aritra Mitra

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Conference May 2026

Variance-Reduced Q-Learning over Static and Time-Varying Networks

It is proved that such speedups in sample-complexity require only $\tilde O\left( 1 \right)$ communication, substantially improving upon the communication costs in prior work.

Sreejeet Maity, Feng Zhu, Aritra Mitra et al. · American Control Conference · 0 citations

#machine learning Preprint Sep 2026

High-Probability Convergence of SGD via Batched Updates

Stochastic gradient descent (SGD) is the primary workhorse for large-scale optimization. While the average behavior of its iterates, typically characterized by mean-squared error bounds, is well-understood, obtaining high-probability guarantees for the last iterate remains challenging. Prior approaches to this problem...

Feng Zhu, Robert W. Heath, Aritra Mitra · 0 citations