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cs.DS2025
Learning-Augmented Online Algorithms for Nonclairvoyant Joint Replenishment Problem with Deadlines
Michael Dinitz, Jeremy T. Fineman, Seeun William Umboh
This paper considers using predictions in the context of the online Joint Replenishment Problem with Deadlines (JRP-D). Prior work includes asymptotically optimal competitive ratio…
cs.DS2025
Controlling tail risk in two-slope ski rental
Qiming Cui, Michael Dinitz
We study the optimal solution to a general two-slope ski rental problem with a tail risk, i.e., the chance of the competitive ratio exceeding a value is bounded by . This ex…
cs.DS2025
A Generalized Binary Tree Mechanism for Differentially Private Approximation of All-Pair Distances
Michael Dinitz, Chenglin Fan, Jingcheng Liu +2
We study the problem of approximating all-pair distances in a weighted undirected graph with differential privacy, introduced by Sealfon [Sea16]. Given a publicly known undirected…