A joint UAV trajectory, user association, and beamforming design strategy for multi-UAV assisted ISAC systems

R Zhang, Y Zhang, R Tang, H Zhao… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
In this article, we investigate a resource allocation problem for a multiunmanned aerial
vehicle (UAV) assisted integrated sensing and communication (ISAC) system, where a …

Exploiting negative curvature in deterministic and stochastic optimization

FE Curtis, DP Robinson - Mathematical Programming, 2019 - Springer
This paper addresses the question of whether it can be beneficial for an optimization
algorithm to follow directions of negative curvature. Although prior work has established …

A second-order sequential optimality condition associated to the convergence of optimization algorithms

R Andreani, G Haeser, A Ramos… - IMA Journal of …, 2017 - academic.oup.com
Sequential optimality conditions have recently played an important role on the analysis of
the global convergence of optimization algorithms towards first-order stationary points …

A fast and simple modification of Newton's method avoiding saddle points

TT Truong, TD To, HT Nguyen, TH Nguyen… - Journal of Optimization …, 2023 - Springer
We propose in this paper New Q-Newton's method. The update rule is conceptually very
simple, using the projections to the vector subspaces generated by eigenvectors of positive …

Augmented Lagrangians with constrained subproblems and convergence to second-order stationary points

EG Birgin, G Haeser, A Ramos - Computational Optimization and …, 2018 - Springer
Augmented Lagrangian methods with convergence to second-order stationary points in
which any constraint can be penalized or carried out to the subproblems are considered in …

On optimality conditions for nonlinear conic programming

R Andreani, W Gómez, G Haeser… - Mathematics of …, 2022 - pubsonline.informs.org
Sequential optimality conditions play a major role in proving stronger global convergence
results of numerical algorithms for nonlinear programming. Several extensions are …

On scaled stopping criteria for a safeguarded augmented Lagrangian method with theoretical guarantees

R Andreani, G Haeser, ML Schuverdt… - Mathematical …, 2022 - Springer
This paper discusses the use of a stopping criterion based on the scaling of the Karush–
Kuhn–Tucker (KKT) conditions by the norm of the approximate Lagrange multiplier in the …

On the Burer–Monteiro method for general semidefinite programs

D Cifuentes - Optimization Letters, 2021 - Springer
Consider a semidefinite program involving an n * nn× n positive semidefinite matrix X. The
Burer–Monteiro method uses the substitution X= YY^ TX= YYT to obtain a nonconvex …

A stabilized SQP method: superlinear convergence

PE Gill, V Kungurtsev, DP Robinson - Mathematical Programming, 2017 - Springer
Stabilized sequential quadratic programming (sSQP) methods for nonlinear optimization
generate a sequence of iterates with fast local convergence regardless of whether or not the …

A predictor-corrector path-following algorithm for dual-degenerate parametric optimization problems

V Kungurtsev, J Jaschke - SIAM Journal on Optimization, 2017 - SIAM
Most path-following algorithms for tracing a solution path of a parametric nonlinear
optimization problem are only certifiably convergent under strong regularity assumptions …