Abstract
In this article, we introduce linearized Douglas–Rachford method for solving Lipschitz continuous variational inequalities in Hilbert space. First, we show the linear convergence of linearized Douglas–Rachford method with the fixed stepsize for the strongly monotone mapping. The usual drawback of algorithms with the fixed stepsize is the requirement to know the Lipschitz constant of the mapping. To avoid this, we present linearized Douglas–Rachford method with the diminishing stepsize whose convergence is established for the strongly pseudomonotone mapping. Finally, preliminary results from numerical experiments are promising.
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Acknowledgements
The authors would like to express their deep gratitude to the anonymous referee for the valuable comments and suggestions, which led to a large improvement of the manuscript. The authors are grateful to Professor Songnian He for helpful discussion in Lemma 5, Example 1 and Remark 3. This work was Scientific Research Project of Aeronautical Science Foundation of China (20200008067001).
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Dong, QL. Linearized Douglas–Rachford method for variational inequalities with Lipschitz mappings. Comp. Appl. Math. 42, 319 (2023). https://doi.org/10.1007/s40314-023-02466-9
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DOI: https://doi.org/10.1007/s40314-023-02466-9
Keywords
- Variational inequalities
- Linearized Douglas–Rachford method
- Projected gradient method
- Strongly monotone
- Strongly pseudomonotone