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On local analysis of distributed optimization

Authors: Tatiana Tatarenko; Behrouz Touri;

On local analysis of distributed optimization

Abstract

We study distributed non-convex optimization on a time-varying multiagent network. Each node has access to its own smooth local cost function, and the collective goal is to minimize the sum of these functions. The perturbed push-sum algorithm used for convex distributed optimization in [17] is considered and further studied in [8]. We generalize the result obtained in [8] to the case of non-convex functions. Under some additional assumptions on the gradients we prove the convergence of the distributed push-sum algorithm to the set of critical points of the objective function. Moreover, by utilizing perturbations on the update process, we show the almost sure convergence of the perturbed dynamics to a local minimum of the global objective function.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
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