English
Related papers

Related papers: On convex hulls of epigraphs of QCQPs

200 papers

Quadratically constrained quadratic programs (QCQPs) are a fundamental class of optimization problems well-known to be NP-hard in general. In this paper we study conditions under which the standard semidefinite program (SDP) relaxation of a…

Optimization and Control · Mathematics 2020-11-17 Alex L. Wang , Fatma Kilinc-Karzan

Quadratically constrained quadratic programs (QCQPs) are a highly expressive class of nonconvex optimization problems. While QCQPs are NP-hard in general, they admit a natural convex relaxation via the standard semidefinite program (SDP)…

Optimization and Control · Mathematics 2024-03-22 Alex L. Wang , Fatma Kilinc-Karzan

Quadratically constrained quadratic programs (QCQPs) are a highly expressive class of nonconvex optimization problems. While QCQPs are NP-hard in general, they admit a natural convex relaxation via the standard (Shor) semidefinite program…

Optimization and Control · Mathematics 2021-11-29 Alex L. Wang , Fatma Kilinc-Karzan

Quadratically constrained quadratic programs (QCQPs) are a fundamental class of optimization problems. In a QCQP, we are asked to minimize a (possibly nonconvex) quadratic function subject to a number of (possibly nonconvex) quadratic…

Optimization and Control · Mathematics 2021-07-15 Fatma Kılınç-Karzan , Alex L. Wang

A quadratically constrained quadratic program (QCQP) is an optimization problem in which the objective function is a quadratic function and the feasible region is defined by quadratic constraints. Solving non-convex QCQP to global…

Optimization and Control · Mathematics 2018-12-27 Asteroide Santana , Santanu S. Dey

We investigate exact semidefinite programming (SDP) relaxations for the problem of minimizing a nonconvex quadratic objective function over a feasible region defined by both finitely and infinitely many nonconvex quadratic inequality…

Optimization and Control · Mathematics 2025-09-04 Naohiko Arima , Sunyoung Kim , Masakazu Kojima

This paper studies exact semidefinite programming relaxations (SDPRs) for separable quadratically constrained quadratic programs (QCQPs). We consider the construction of a larger separable QCQP from multiple QCQPs with exact SDPRs. We show…

Optimization and Control · Mathematics 2026-04-06 Masakazu Kojima , Sunyoung Kim , Naohiko Arima

For nonconvex quadratically constrained quadratic programs (QCQPs), we first show that, under certain feasibility conditions, the standard semidefinite (SDP) relaxation is exact for QCQPs with bipartite graph structures. The exact optimal…

Optimization and Control · Mathematics 2022-05-03 Godai Azuma , Mituhiro Fukuda , Sunyoung Kim , Makoto Yamashita

A convex relaxation of a quadratically constrained quadratic program (QCQP) is called exact if it has a rank-$1$ optimal solution that corresponds to an optimal solution of the QCQP. Given a QCQP whose convex relaxation is exact, this paper…

Optimization and Control · Mathematics 2025-10-23 Masakazu Kojima , Sunyoung Kim , Naohiko Arima

We study a class of quadratically constrained quadratic programs (QCQPs), called {\em diagonal QCQPs\/}, which contain no off-diagonal terms $x_j x_k$ for $j \ne k$, and we provide a sufficient condition on the problem data guaranteeing…

Optimization and Control · Mathematics 2018-11-09 Samuel Burer , Yinyu Ye

We study the exactness of the semidefinite programming (SDP) relaxation of quadratically constrained quadratic programs (QCQPs). With the aggregate sparsity matrix from the data matrices of a QCQP with $n$ variables, the rank and positive…

Optimization and Control · Mathematics 2020-09-22 Godai Azuma , Mituhiro Fukuda , Sunyoung Kim , Makoto Yamashita

We introduce a new class of semidefinite programming (SDP) relaxations for sparse box-constrained quadratic programs, obtained by a novel integration of the Reformulation Linearization Technique into standard SDP relaxations while…

Optimization and Control · Mathematics 2026-02-13 Aida Khajavirad

For general quadratically-constrained quadratic programming (QCQP), we propose a parabolic relaxation described with convex quadratic constraints. An interesting property of the parabolic relaxation is that the original non-convex feasible…

Optimization and Control · Mathematics 2022-08-09 Ramtin Madani , Mersedeh Ashraphijuo , Mohsen Kheirandishfard , Alper Atamturk

Quadratically constrained quadratic programs (QCQPs) are ubiquitous in optimization: Such problems arise in applications from operations research, power systems, signal processing, chemical engineering, and portfolio theory, among others.…

Optimization and Control · Mathematics 2026-03-31 Muge Dedeoglu , Buket Ozen , Burak Kocuk

In this paper, we consider the problem of minimizing a general homogeneous quadratic function, subject to three real or four complex homogeneous quadratic inequality or equality constraints. For this problem, we present a sufficient and…

Optimization and Control · Mathematics 2023-04-11 Wenbao Ai , Wei Liang , Jianhua Yuan

We consider a parametric family of quadratically constrained quadratic programs (QCQP) and their associated semidefinite programming (SDP) relaxations. Given a nominal value of the parameter at which the SDP relaxation is exact, we study…

Optimization and Control · Mathematics 2023-10-03 Diego Cifuentes , Sameer Agarwal , Pablo A. Parrilo , Rekha R. Thomas

General quadratically constrained quadratic programs (QCQPs) are challenging to solve as they are known to be NP-hard. A popular approach to approximating QCQP solutions is to use semidefinite programming (SDP) relaxations. It is well-known…

Optimization and Control · Mathematics 2025-02-24 Masakazu Kojima , Naohiko Arima , Sunyoung Kim

The technique of semidefinite programming (SDP) relaxation can be used to obtain a nontrivial bound on the optimal value of a nonconvex quadratically constrained quadratic program (QCQP). We explore concave quadratic inequalities that hold…

Optimization and Control · Mathematics 2016-09-30 Jaehyun Park , Stephen Boyd

For verifying the safety of neural networks (NNs), Fazlyab et al. (2019) introduced a semidefinite programming (SDP) approach called DeepSDP. This formulation can be viewed as the dual of the SDP relaxation for a problem formulated as a…

Optimization and Control · Mathematics 2025-04-15 Godai Azuma , Sunyoung Kim , Makoto Yamashita

This paper develops new semidefinite programming (SDP) relaxation techniques for two classes of mixed binary quadratically constrained quadratic programs (MBQCQP) and analyzes their approximation performance. The first class of problem…

Optimization and Control · Mathematics 2014-03-18 Zi Xu , Mingyi Hong
‹ Prev 1 2 3 10 Next ›