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Exploiting LLM Quantization

Neural Information Processing Systems

While LLM quantization's impact on utility has been extensively explored, this work for the first time studies its adverse effects from a security perspective.







Differentially Private Algorithms for Learning Mixtures of Separated Gaussians

Neural Information Processing Systems

In this work, westudy algorithms for learning Gaussian mixtures subject todifferential privacy[32], which has become thede facto standard for individual privacy in statistical analysis of sensitive data. Intuitively, differential privacy guarantees that the output of the algorithm does not depend significantly on any one individual's data, which in this case means any one sample.



ANear-OptimalBest-of-Both-WorldsAlgorithm forOnlineLearningwithFeedbackGraphs

Neural Information Processing Systems

We present a computationally efficient algorithm for learning in this framework that simultaneously achieves near-optimal regret bounds in both stochastic and adversarial environments. The bound against oblivious adversaries is O( αT), where T is the time horizon andα is the independence number of the feedback graph.