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This work proposes a new moment-SOS hierarchy, called CS-TSSOS, for solving large-scale sparse polynomial optimization problems. Its novelty is to exploit simultaneously correlative sparsity and term sparsity by combining advantages of two…

Optimization and Control · Mathematics 2021-06-10 Jie Wang , Victor Magron , Jean B. Lasserre , Ngoc Hoang Anh Mai

This paper is concerned with polynomial optimization problems. We show how to exploit term (or monomial) sparsity of the input polynomials to obtain a new converging hierarchy of semidefinite programming relaxations. The novelty (and…

Optimization and Control · Mathematics 2020-05-14 Jie Wang , Victor Magron , Jean-Bernard Lasserre

We provide a new hierarchy of semidefinite programming relaxations, called NCTSSOS, to solve large-scale sparse noncommutative polynomial optimization problems. This hierarchy features the exploitation of term sparsity hidden in the input…

Optimization and Control · Mathematics 2020-10-15 Jie Wang , Victor Magron

The moment-sum of squares hierarchy by Lasserre has become an established technique for solving polynomial optimization problems. It provides a monotonically increasing series of tight bounds, but has well-known scalability limitations. For…

Optimization and Control · Mathematics 2024-02-09 Daria Shaydurova , Volker Kaibel , Sebastian Sager

In this paper, we develop a dynamical system counterpart to the term sparsity sum-of-squares (TSSOS) algorithm proposed for static polynomial optimization. This allows for computational savings and improved scalability while preserving…

Optimization and Control · Mathematics 2023-10-10 Jie Wang , Corbinian Schlosser , Milan Korda , Victor Magron

This work is a follow-up and a complement to arXiv:1912.08899 [math.OC] for solving polynomial optimization problems (POPs). The chordal-TSSOS hierarchy that we propose is a new sparse moment-SOS framework based on term-sparsity and chordal…

Optimization and Control · Mathematics 2024-02-22 Jie Wang , Victor Magron , Jean-Bernard Lasserre

Global polynomial optimization is an important tool across applied mathematics, with many applications in operations research, engineering, and physical sciences. In various settings, the polynomials depend on external parameters that may…

Optimization and Control · Mathematics 2024-06-14 Richard L. Zhu , Mathias Oster , Yuehaw Khoo

We provide a sparse version of the bounded degree SOS hierarchy BSOS [7] for polynomial optimization problems. It permits to treat large scale problems which satisfy a structured sparsity pattern. When the sparsity pattern satisfies the…

Optimization and Control · Mathematics 2017-05-30 Tillmann Weisser , Jean-Bernard Lasserre , Kim-Chuan Toh

Optimization over non-negative polynomials is fundamental for nonlinear systems analysis and control. We investigate the relation between three tractable relaxations for optimizing over sparse non-negative polynomials: sparse sum-of-squares…

Optimization and Control · Mathematics 2020-01-13 Yang Zheng , Giovanni Fantuzzi , Antonis Papachristodoulou

This work investigates an efficient solution to two fundamental problems in topology optimization of frame structures. The first one involves minimizing structural compliance under linear-elastic equilibrium and weight constraint, while the…

Optimization and Control · Mathematics 2025-03-28 Marouan Handa , Marek Tyburec , Michal Kočvara

The problem of minimizing a polynomial over a set of polynomial inequalities is an NP-hard non-convex problem. Thanks to powerful results from real algebraic geometry, one can convert this problem into a nested sequence of…

Optimization and Control · Mathematics 2022-08-26 Victor Magron , Jie Wang

In this paper, we study the sparsity-adapted complex moment-Hermitian sum of squares (moment-HSOS) hierarchy for complex polynomial optimization problems, where the sparsity includes correlative sparsity and term sparsity. We compare the…

Optimization and Control · Mathematics 2025-04-29 Jie Wang , Victor Magron

We describe a new library named picasso, which implements a unified framework of pathwise coordinate optimization for a variety of sparse learning problems (e.g., sparse linear regression, sparse logistic regression, sparse Poisson…

Machine Learning · Statistics 2020-06-30 Jason Ge , Xingguo Li , Haoming Jiang , Han Liu , Tong Zhang , Mengdi Wang , Tuo Zhao

A new sparse SOS decomposition algorithm is proposed based on a new sparsity pattern, called cross sparsity patterns. The new sparsity pattern focuses on the sparsity of terms and thus is different from the well-known correlative sparsity…

Optimization and Control · Mathematics 2019-01-23 Jie Wang , Haokun Li , Bican Xia

An introduction to the density matrix renormalization group is contained here, including coding examples. The focus of this code is on basic operations involved in tensor network computations, and this forms the foundation of the DMRjulia…

Quantum Physics · Physics 2021-09-08 Thomas E. Baker , Martin P. Thompson

SOL is an open-source library for scalable online learning algorithms, and is particularly suitable for learning with high-dimensional data. The library provides a family of regular and sparse online learning algorithms for large-scale…

Machine Learning · Computer Science 2016-10-31 Yue Wu , Steven C. H. Hoi , Chenghao Liu , Jing Lu , Doyen Sahoo , Nenghai Yu

This paper focuses on the computation of joint spectral radii (JSR), when the involved matrices are sparse. We provide a sparse variant of the procedure proposed by Parrilo and Jadbabaie, to compute upper bounds of the JSR by means of…

Optimization and Control · Mathematics 2021-03-19 Jie Wang , Martina Maggio , Victor Magron

This paper introduces a Moment-Quaternion-Sum-of-Squares (QSOS) hierarchy for solving a class of quaternion polynomial optimization problems. This hierarchy is formulated directly in the quaternion domain and consists of a sequence of…

Optimization and Control · Mathematics 2026-05-13 Yanqing Liu , Jie Wang

In recent years, optimization theory has been greatly impacted by the advent of sum of squares (SOS) optimization. The reliance of this technique on large-scale semidefinite programs however, has limited the scale of problems to which it…

Optimization and Control · Mathematics 2018-08-31 Amir Ali Ahmadi , Anirudha Majumdar

This paper discusses how to find the global minimum of functions that are summations of small polynomials (``small'' means involving a small number of variables). Some sparse sum of squares (SOS) techniques are proposed. We compare their…

Optimization and Control · Mathematics 2011-11-09 Jiawang Nie , James Demmel
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