[HTML][HTML] FedADMM-InSa: An inexact and self-adaptive ADMM for federated learning

Y Song, Z Wang, E Zuazua - Neural Networks, 2025 - Elsevier
Federated learning (FL) is a promising framework for learning from distributed data while
maintaining privacy. The development of efficient FL algorithms encounters various …

Implementation of the ADMM approach to constrained optimal control problem with a nonlinear time-fractional diffusion equation

A Oulmelk, M Srati, L Afraites… - Discrete and Continuous …, 2025 - aimsciences.org
In this paper, we study the inverse problem of identifying the parameters in a nonlinear
subdiffusion model from an observation defined in the given Ω1 subset of Ω. The nonlinear …

The ADMM-PINNs algorithmic framework for nonsmooth PDE-constrained optimization: a deep learning approach

Y Song, X Yuan, H Yue - SIAM Journal on Scientific Computing, 2024 - SIAM
We study the combination of the alternating direction method of multipliers (ADMM) with
physics-informed neural networks (PINNs) for a general class of nonsmooth partial …

Alternating direction multiplier method to estimate an unknown source term in the time-fractional diffusion equation

A Oulmelk, L Afraites, A Hadri, MA Zaky… - Computers & Mathematics …, 2024 - Elsevier
An estimation for the unknown source term in the time-fractional diffusion equation from
measurement data by the alternating direction method of multipliers (ADMM) is considered …

A variational PDNet network using a learning reaction–diffusion equation

A El Hakoume, A Laghrib, L Afraites, A Hadri - Expert Systems with …, 2024 - Elsevier
Due to their high performance in modeling and forecasting a large amount of real-world
complex phenomena, deep convolutional neural networks have received a great deal of …

Accelerated primal-dual methods with enlarged step sizes and operator learning for nonsmooth optimal control problems

Y Song, X Yuan, H Yue - arXiv preprint arXiv:2307.00296, 2023 - arxiv.org
We consider a general class of nonsmooth optimal control problems with partial differential
equation (PDE) constraints, which are very challenging due to its nonsmooth objective …

A two-stage numerical approach for the sparse initial source identification of a diffusion–advection equation

U Biccari, Y Song, X Yuan, E Zuazua - Inverse Problems, 2023 - iopscience.iop.org
We consider the problem of identifying a sparse initial source condition to achieve a given
state distribution of a diffusion–advection partial differential equation after a given final time …

An Alternating Direction Method of Multipliers Algorithm for the Weighted Fused LASSO Signal Approximator

L Dijkstra, M Hanke, N Koenen, R Foraita - arXiv preprint arXiv …, 2024 - arxiv.org
We present an Alternating Direction Method of Multipliers (ADMM) algorithm designed to
solve the Weighted Generalized Fused LASSO Signal Approximator (wFLSA). First, we …

Application of the ADMM algorithm for a high-dimensional partially linear model

A Feng, X Chang, Y Shang, J Fan - Mathematics, 2022 - mdpi.com
This paper focuses on a high-dimensional semi-parametric regression model in which a
partially linear model is used for the parametric part and the B-spline basis function …

Tensor-guided learning for image denoising using anisotropic PDEs

F Limami, A Hadri, L Afraites, A Laghrib - Machine Vision and Applications, 2024 - Springer
In this article, we introduce an advanced approach for enhanced image denoising using an
improved space-variant anisotropic Partial Differential Equation (PDE) framework …