Comments on a Simplified Form of Block-Iterative Operator Splitting, and an Asynchronous Algorithm Resembling the Multi-block Alternating Direction Method of Multipliers

摘要

This note gives an improved version of the proof of Proposition 4.2 in "A Simplified Form of Block-Iterative Operator Splitting, and an Asynchronous Algorithm Resembling the Multi-block Alternating Direction Method of Multipliers," Journal of Optimization Theory and Applications 173(1): 155-182 (2017).