Operations Research Transactions ›› 2022, Vol. 26 ›› Issue (2): 16-30.doi: 10.15960/j.cnki.issn.1007-6093.2022.02.002

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A stochastic Bregman ADMM with its application in training sparse structure SVMs

Jiahao LYU1, Honglin LUO1,*(), Zehua YANG2, Jianwen PENG1   

  1. 1. School of Mathematical Sciences, Chongqing Normal University, Chongqing 401331, China
    2. School of Computer and Information Science, Chongqing Normal University, Chongqing 401331, China
  • Received:2021-03-08 Online:2022-06-15 Published:2022-05-27
  • Contact: Honglin LUO E-mail:luohonglin@cqnu.edu.cn

Abstract:

A new stochastic Bregman multiplier alternating direction method (S-B-ADMM) is proposed for non-convex optimization problems with multiple separable blocks. It is shown that the sequence produced by the S-B-ADMM under the periodic update rule converges asymptotically to a stationary solution of the Lagrangian function of the original problem. Under the random update rule, we prove the almost surely convergence of the sequence produced by the S-B-ADMM. Numerical experiments results illustrate the feasibility of the S-B-ADMM for training sparse structural support vector machines.

Key words: non-convex optimization problems with multiple separable blocks, Bregman divergence, stochastic ADMM, asymptotic convergence, support vector machine

CLC Number: