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A Theory of Generalized Proximity for ADMM

Citation Author(s):
François D. Côté, Ioannis N. Psaromiligkos, Warren J. Gross
Submitted by:
Francois Cote
Last updated:
12 November 2017 - 9:44pm
Document Type:
Poster
Document Year:
2017
Event:
Presenters:
Francois Cote
Paper Code:
RMN-P.1.11
 

The alternating direction method of multipliers has become in recent years the most widely used proximal method for signal processing. In this paper, we lay the groundwork for a new notion of proximity and use it to illustrate that the method (ADMM) is actually somewhat of a maladroit rearrangement of a new, more practical procedure that generalizes the Douglas-Rachford algorithm. Compared to ADMM, the algorithm that we propose enjoys not only a more sensible form, but also a more general convergence result.

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