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- W4292446700 abstract "The proximal generalized alternating direction method of multipliers (p-GADMM) is substantially efficient for solving convex composite programming problems of high-dimensional to moderate accuracy. The global convergence of this method was established by Xiao, Chen & Li [Math. Program. Comput., 2018], but its convergence rate was not given. One may take it for granted that the convergence rate could be proved easily by mimicking the proximal ADMM, but we find the relaxed points will certainly cause many difficulties for theoretical analysis. In this paper, we devote to exploring its convergence behavior and show that the sequence generated by p-GADMM possesses Q-linear convergence rate under some mild conditions. We would like to note that the proximal terms at the subproblems are required to be positive definite, which is very common in most practical implementations although it seems to be a bit strong." @default.
- W4292446700 created "2022-08-20" @default.
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- W4292446700 date "2022-08-18" @default.
- W4292446700 modified "2023-09-29" @default.
- W4292446700 title "Linear Convergence Rate Analysis of Proximal Generalized ADMM for Convex Composite Programming" @default.
- W4292446700 doi "https://doi.org/10.48550/arxiv.2208.08805" @default.
- W4292446700 hasPublicationYear "2022" @default.
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