Complexity of an inexact proximal-point penalty method for constrained smooth non-convex optimization

Q Lin, R Ma, Y Xu - Computational optimization and applications, 2022 - Springer
In this paper, an inexact proximal-point penalty method is studied for constrained
optimization problems, where the objective function is non-convex, and the constraint …

Rate-improved inexact augmented Lagrangian method for constrained nonconvex optimization

Z Li, PY Chen, S Liu, S Lu, Y Xu - … Conference on Artificial …, 2021 - proceedings.mlr.press
First-order methods have been studied for nonlinear constrained optimization within the
framework of the augmented Lagrangian method (ALM) or penalty method. We propose an …

Stochastic inexact augmented Lagrangian method for nonconvex expectation constrained optimization

Z Li, PY Chen, S Liu, S Lu, Y Xu - Computational Optimization and …, 2024 - Springer
Many real-world problems not only have complicated nonconvex functional constraints but
also use a large number of data points. This motivates the design of efficient stochastic …

Iteration complexity of an inner accelerated inexact proximal augmented Lagrangian method based on the classical Lagrangian function

W Kong, JG Melo, RDC Monteiro - SIAM Journal on Optimization, 2023 - SIAM
This paper establishes the iteration complexity of an inner accelerated inexact proximal
augmented Lagrangian (IAIPAL) method for solving linearly constrained smooth nonconvex …

Oracle complexity of single-loop switching subgradient methods for non-smooth weakly convex functional constrained optimization

Y Huang, Q Lin - Advances in Neural Information …, 2023 - proceedings.neurips.cc
We consider a non-convex constrained optimization problem, where the objective function is
weakly convex and the constraint function is either convex or weakly convex. To solve this …

Iteration complexity of a proximal augmented Lagrangian method for solving nonconvex composite optimization problems with nonlinear convex constraints

W Kong, JG Melo… - Mathematics of Operations …, 2023 - pubsonline.informs.org
This paper proposes and analyzes a proximal augmented Lagrangian (NL-IAPIAL) method
for solving constrained nonconvex composite optimization problems, where the constraints …

A single-loop gradient descent and perturbed ascent algorithm for nonconvex functional constrained optimization

S Lu - International Conference on Machine Learning, 2022 - proceedings.mlr.press
Nonconvex constrained optimization problems can be used to model a number of machine
learning problems, such as multi-class Neyman-Pearson classification and constrained …

Algorithms for difference-of-convex programs based on difference-of-moreau-envelopes smoothing

K Sun, XA Sun - INFORMS Journal on Optimization, 2023 - pubsonline.informs.org
In this paper, we consider minimization of a difference-of-convex (DC) function with and
without linear equality constraints. We first study a smooth approximation of a generic DC …

First-Order Methods for Problems with (1) Functional Constraints Can Have Almost the Same Convergence Rate as for Unconstrained Problems

Y Xu - SIAM Journal on Optimization, 2022 - SIAM
First-order methods (FOMs) have recently been applied and analyzed for solving problems
with complicated functional constraints. Existing works show that FOMs for functional …

An adaptive superfast inexact proximal augmented Lagrangian method for smooth nonconvex composite optimization problems

A Sujanani, RDC Monteiro - Journal of Scientific Computing, 2023 - Springer
This work presents an adaptive superfast proximal augmented Lagrangian (AS-PAL)
method for solving linearly-constrained smooth nonconvex composite optimization …