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math.OC2025
An Asynchronous Decentralised Optimisation Algorithm for Nonconvex Problems
Behnam Mafakheri, Jonathan H. Manton, Iman Shames
In this paper, we consider nonconvex decentralised optimisation and learning over a network of distributed agents. We develop an ADMM algorithm based on the Randomised Block Coordi…
math.OC2023
On Distributed Nonconvex Optimisation Via Modified ADMM
Behnam Mafakheri, Jonathan H. Manton, Iman Shames
This paper addresses the problem of nonconvex nonsmooth decentralised optimisation in multi-agent networks with undirected connected communication graphs. Our contribution lies in…
math.OC2022
First order online optimisation using forward gradients in over-parameterised systems
Behnam Mafakheri, Iman Shames, Jonathan H. Manton
The success of deep learning over the past decade mainly relies on gradient-based optimisation and backpropagation. This paper focuses on analysing the performance of first-order g…