Sparse-BSOS: a bounded degree SOS hierarchy for large scale polynomial optimization with sparsity

T Weisser, JB Lasserre, KC Toh - Mathematical Programming …, 2018 - Springer
We provide a sparse version of the bounded degree SOS hierarchy BSOS (Lasserre et al. in
EURO J Comp Optim: 87–117, 2017) for polynomial optimization problems. It permits to treat …

Approximation algorithms for process systems engineering

D Letsios, R Baltean-Lugojan, F Ceccon… - Computers & Chemical …, 2020 - Elsevier
Designing and analyzing algorithms with provable performance guarantees enables
efficient optimization problem solving in different application domains, eg communication …

Piecewise parametric structure in the pooling problem: from sparse strongly-polynomial solutions to NP-hardness

R Baltean-Lugojan, R Misener - Journal of Global Optimization, 2018 - Springer
The standard pooling problem is a NP-hard subclass of non-convex quadratically-
constrained optimization problems that commonly arises in process systems engineering …

Convexifications of rank-one-based substructures in QCQPs and applications to the pooling problem

SS Dey, B Kocuk, A Santana - Journal of Global Optimization, 2020 - Springer
We study sets defined as the intersection of a rank-one constraint with different choices of
linear side constraints. We identify different conditions on the linear side constraints, under …

Solving pooling problems with time discretization by LP and SOCP relaxations and rescheduling methods

M Kimizuka, S Kim, M Yamashita - Journal of Global Optimization, 2019 - Springer
The pooling problem is an important industrial problem in the class of network flow problems
for allocating gas flow in pipeline transportation networks. For the pooling problem with time …

Learning to Relax Nonconvex Quadratically Constrained Quadratic Programs

B Ozen, B Kocuk - arXiv preprint arXiv:2501.03954, 2025 - arxiv.org
Quadratically constrained quadratic programs (QCQPs) are ubiquitous in optimization: Such
problems arise in applications from operations research, power systems, signal processing …

[HTML][HTML] Solving sparse polynomial optimization problems with chordal structure using the sparse bounded-degree sum-of-squares hierarchy

A Marandi, E de Klerk, J Dahl - Discrete Applied Mathematics, 2020 - Elsevier
The sparse bounded degree sum-of-squares (sparse-BSOS) hierarchy of Weisser et
al.(2017) constructs a sequence of lower bounds for a sparse polynomial optimization …

A new approximation hierarchy for polynomial conic optimization

PJC Dickinson, J Povh - Computational optimization and applications, 2019 - Springer
In this paper we consider polynomial conic optimization problems, where the feasible set is
defined by constraints in the form of given polynomial vectors belonging to given nonempty …

Improved Rank-One-Based Relaxations and Bound Tightening Techniques for the Pooling Problem

M Jalilian, B Kocuk - arXiv preprint arXiv:2306.10810, 2023 - arxiv.org
The pooling problem is a classical NP-hard problem in the chemical process and petroleum
industries. This problem is modeled as a nonlinear, nonconvex network flow problem in …

Pooling problems with single-flow constraints

D Haugland - Proceedings of the 9th International Network …, 2019 - bora.uib.no
The pooling problem is a frequently studied extension of the traditional minimum cost flow
problem, in which the composition of the flow is subject to restrictions. In a network …