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Stochastic Proximal Point Methods for Monotone Inclusions under Expected Similarity

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arxiv 2405.14255 v1 pith:SQIXMYMO submitted 2024-05-23 math.OC

classification math.OC
keywords monotoneoperatorsinclusionsintroducesimilaritystochasticalgorithmsapplications
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Monotone inclusions have a wide range of applications, including minimization, saddle-point, and equilibria problems. We introduce new stochastic algorithms, with or without variance reduction, to estimate a root of the expectation of possibly set-valued monotone operators, using at every iteration one call to the resolvent of a randomly sampled operator. We also introduce a notion of similarity between the operators, which holds even for discontinuous operators. We leverage it to derive linear convergence results in the strongly monotone setting.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The Stochastic Multi-Proximal Method for Nonsmooth Optimization

    math.OC 2025-05 conditional novelty 7.0 of 10

    SMPM is a stochastic multi-proximal method that recovers several existing algorithms as special cases and provides new linear and accelerated sublinear convergence guarantees for nonsmooth convex problems.

  2. Variance-Reduced Fast Operator Splitting Methods for Generalized Equations

    math.OC 2025-04 conditional novelty 7.0 of 10

    A new class of accelerated forward-backward and backward-forward splitting methods with variance-reduced estimators achieves O(1/k^2) and o(1/k^2) expected residual convergence for generalized equations under co-coerc...

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