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eess.SY2026
Rate-cost Trade-offs in H-infinity Control with Initial State Uncertainty
Vikrant Malik, Victoria Kostina, Babak Hassibi
We consider the problem of H-infinity control in the presence of a digital communication channel between the observer and the controller and investigate the fundamental trade-off b…
cs.IT2026
Deriving Approximate Message Passing from the Convex Gaussian Min-Max Theorem
Vikrant Malik, Babak Hassibi
Approximate message passing (AMP) provides fast iterative algorithms for high-dimensional signal recovery with Gaussian design matrices, while the Convex Gaussian Min--max Theorem…
cs.LG2026
Distributionally Robust K-Means Clustering
Vikrant Malik, Taylan Kargin, Babak Hassibi
K-means clustering is a workhorse of unsupervised learning, but it is notoriously brittle to outliers, distribution shifts, and limited sample sizes. Viewing k-means as Lloyd--Max…