Optimization Online


Global Optimization Submissions - 2020

January 2020

Stochastic Approaches
A dimensionality reduction technique for unconstrained global optimization of functions with low effective dimensionality
Coralia Cartis, Adilet Otemissov

A new discrete filled function with generic local searches for global nonlinear integer optimization
J Di Mauro, HD Scolnik

Global Solution of the Clustering Problem via Graph Theoretical Approach
Tomas Bajbar, Peter Kirst, Mario Merkel

February 2020

Sparse PSD approximation of the PSD cone
Blekherman Grigoriy, Santanu S. Dey, Marco Molinaro, Shengding Sun

Pump scheduling in drinking water distribution networks with an LP/NLP-based branch and bound
Gratien Bonvin, Sophie Demassey, Andrea Lodi

Towards the Solution of Mixed-Integer Nonlinear Optimization Problems using Simultaneous Convexification
Frauke Liers, Alexander Martin, Maximilian Merkert, Nick Mertens, Dennis Michaels

Solving non-monotone equilibrium problems via a DIRECT-type approach
Stefano Lucidi, Mauro Passacantando, Francesco Rinaldi

March 2020

Computing mixed strategies equilibria in presence of switching costs by the solution of nonconvex QP problems
Giampaolo Liuzzi, Marco Locatelli, Veronica Piccialli, Stefan Rass

Testing Copositivity via Mixed-Integer Linear Programming
Kurt Anstreicher

The Magic of Nash Social Welfare in Optimization: Do Not Sum, Just Multiply!
Hadi Charkhgard, Kimia Keshanian, Rasul Esmaeilbeigi, Parisa Charkhgard

Continuous Cubic Formulations for Cluster Detection Problems in Networks
Vladimir Stozhkov, Austin Buchanan, Sergiy Butenko, Vladimir Boginski

April 2020

On monotonicity and search traversal in copositivity detection algorithms
Eligius MT Hendrix, Boglarka G.- Toth, Leocadio G Casado

Convex Hull Representations for Bounded Products of Variables
Kurt Anstreicher, Sam Burer, Kyungchan Park

Stochastic Approaches
K-Adaptability in stochastic optimization
Enrico Malaguti, Michele Monaci, Jonas Pruente

June 2020

An Alternative Perspective on Copositive and Convex Relaxations of Nonconvex Quadratic Programs
E. Alper Yildirim

Cycle-based formulations in Distance Geometry
Leo Liberti, Gabriele Iommazzo, Carlile Lavor, Nelson Maculan

July 2020

The p-Lagrangian relaxation for nonconvex MIQCQP problems with complicating constraints
Tiago Andrade, Nikita Belyak, Andrew Eberhard, Silvio Hamacher, Fabricio Oliveira

August 2020

Complexity Aspects of Local Minima and Related Notions
Amir Ali Ahmadi, Jeffrey Zhang

Global Optimization for the Multilevel European Gas Market System with Nonlinear Flow Models on Trees
Lars Schewe, Martin Schmidt, Johannes Thürauf

Stochastic Approaches
An Inexact Accelerated Stochastic ADMM for Separable Convex Optimization
Jianchao Bai, William W. Hager, Hongchao Zhang

September 2020

Connecting optimization with spectral analysis of tri-diagonal matrices
Jean Lasserre

A Modified Simplex Partition Algorithm to Test Copositivity
Mohammadreza Safi, Seyed Saeed Nabavi, Richard J. Caron

Exact SDP relaxations of quadratically constrained quadratic programs with forest structures
Godai Azuma, Mituhiro Fukuda, Sunyoung Kim, Makoto Yamashita

Global Dynamic Optimization with Hammerstein-Wiener Models Embedded
C. D. Kappatou, D. Bongartz, J. Najman, S. Sass, A. Mitsos

Constrained global optimization of functions with low effective dimensionality using multiple random embeddings
Coralia Cartis, Estelle Massart, Adilet Otemissov

October 2020

Spectral relaxations and branching strategies for global optimization of mixed-integer quadratic programs
Carlos Nohra, Arvind Raghunathan, Nikolaos Sahinidis

Halting Time is Predictable for Large Models: A Universality Property and Average-case Analysis
Courtney Paquette, Bart van Merrienboer, Elliot Paquette, Fabian Pedregosa

November 2020

A Reformulation-Linearization Technique for Optimization over Simplices
Aras Selvi, Dick den Hertog, Wolfram Wiesemann

Linearization of McCormick Relaxations and Hybridization with the Auxiliary Variable Method
Jaromił Najman, Dominik Bongartz, Alexander Mitsos

The Moment-SOS hierarchy and the Christoffel-Darboux kernel
Jean B. Lasserre

December 2020

An Exact Projection-Based Algorithm for Bilevel Mixed-Integer Problems with Nonlinearities
Maximilian Merkert, Galina Orlinskaya, Dieter Weninger

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