Dynamical systems coupled with monotone set-valued operators: Formalisms, applications, well-posedness, and stability

B Brogliato, A Tanwani - Siam Review, 2020 - SIAM
This survey article addresses the class of continuous-time systems where a system modeled
by ordinary differential equations is coupled with a static or time-varying set-valued operator …

Fast optimization via inertial dynamics with closed-loop dam**

H Attouch, RI Boţ, ER Csetnek - Journal of the European Mathematical …, 2022 - ems.press
In a real Hilbert space H, in order to develop fast optimization methods, we analyze the
asymptotic behavior, as time t tends to infinity, of a large class of autonomous dissipative …

Accelerated proximal point method for maximally monotone operators

D Kim - Mathematical Programming, 2021 - Springer
This paper proposes an accelerated proximal point method for maximally monotone
operators. The proof is computer-assisted via the performance estimation problem …

Fast Optimistic Gradient Descent Ascent (OGDA) method in continuous and discrete time

RI Boţ, ER Csetnek, DK Nguyen - Foundations of Computational …, 2023 - Springer
In the framework of real Hilbert spaces, we study continuous in time dynamics as well as
numerical algorithms for the problem of approaching the set of zeros of a single-valued …

Convergence of a relaxed inertial forward–backward algorithm for structured monotone inclusions

H Attouch, A Cabot - Applied Mathematics & Optimization, 2019 - Springer
In a Hilbert space HH, we study the convergence properties of a class of relaxed inertial
forward–backward algorithms. They aim to solve structured monotone inclusions of the form …

Convergence of a relaxed inertial proximal algorithm for maximally monotone operators

H Attouch, A Cabot - Mathematical Programming, 2020 - Springer
In a Hilbert space HH, given A: H → 2^ HA: H→ 2 H a maximally monotone operator, we
study the convergence properties of a general class of relaxed inertial proximal algorithms …

Continuous-time analysis of accelerated gradient methods via conservation laws in dilated coordinate systems

JJ Suh, G Roh, EK Ryu - International Conference on …, 2022 - proceedings.mlr.press
We analyze continuous-time models of accelerated gradient methods through deriving
conservation laws in dilated coordinate systems. Namely, instead of analyzing the dynamics …

Fast convergence of dynamical ADMM via time scaling of damped inertial dynamics

H Attouch, Z Chbani, J Fadili, H Riahi - Journal of Optimization Theory and …, 2022 - Springer
In this paper, we propose in a Hilbertian setting a second-order time-continuous dynamic
system with fast convergence guarantees to solve structured convex minimization problems …

From Halpern's fixed-point iterations to Nesterov's accelerated interpretations for root-finding problems

Q Tran-Dinh - Computational Optimization and Applications, 2024 - Springer
We derive an equivalent form of Halpern's fixed-point iteration scheme for solving a co-
coercive equation (also called a root-finding problem), which can be viewed as a Nesterov's …

Fast proximal methods via time scaling of damped inertial dynamics

H Attouch, Z Chbani, H Riahi - SIAM Journal on Optimization, 2019 - SIAM
In a Hilbert space setting, we consider a class of inertial proximal algorithms for nonsmooth
convex optimization, with fast convergence properties. They can be obtained by time …