Optimization Online


All Areas Submissions - March 2021

Convex and Nonsmooth Optimization
Sparse Approximations with Interior Point Methods
Valentina De Simone, Daniela di Serafino, Jacek Gondzio, Spyridon Pougkakiotis, Marco Viola

Integer Programming
An Approximation Algorithm for Indefinite Mixed Integer Quadratic Programming
Alberto Del Pia

Optimization Software and Modeling Systems
Controllable Transmission Networks UnderDemand Uncertainty with Modular FACTS
Alireza Soroudi

Nonlinear Optimization
A Framework of Inertial Alternating Direction Method of Multipliers for \Non-Convex Non-Smooth Optimization
Le Thi Khanh Hien, Duy Nhat Phan, Nicolas Gillis

Applications — Science and Engineering
Expanding Students’ Social Networks via Optimized Team Assignments
Alessandro Hill, Steffen Peuker

Applications — OR and Management Sciences
A tailored Benders decomposition approach for last-mile delivery with autonomous robots
Laurent Alfandari, Ivana Ljubic, Marcos de Melo da Silva

Linear, Cone and Semidefinite Programming
Infeasibility detection with primal-dual hybrid gradient for large-scale linear programming
David Applegate, Díaz Mateo, Haihao Lu, Miles Lubin

Integer Programming
Switching cost aware rounding for relaxations of mixed-integer optimal control problems: the two-dimensional case
Felix Bestehorn, Christoph Hansknecht, Christian Kirches, Paul Manns

Applications — OR and Management Sciences
A Planner-Trader Decomposition for Multi-Market Hydro Scheduling
Kilian Schindler, Napat Rujeerapaiboon, Daniel Kuhn, Wolfram Wiesemann

Robust Optimization
A nonparametric algorithm for optimal stopping based on robust optimization
Bradley Sturt

Integer Programming
Shapes and recession cones in mixed-integer convex representability
Ilias Zadik, Miles Lubin, Juan Pablo Vielma

Nonlinear Optimization
A Penalty-free Infeasible Approach for a Class of Nonsmooth Opimtization Problems over the Stiefel Manifold
Nachuan Xiao, Xin Liu, Ya-xiang Yuan

Integer Programming
Presolving Linear Bilevel Optimization Problems
Thomas Kleinert, Julian Manns, Martin Schmidt, Dieter Weninger

Integer Programming
Strong valid inequalities for a class of concave submodular minimization problems under cardinality constraints
Simge Küçükyavuz, Qimeng Yu

Nonlinear Optimization
Active-set identification with complexity guarantees of an almost cyclic 2-coordinate descent method with Armijo line search
Andrea Cristofari

Applications — OR and Management Sciences
An Almost Exact Multi-Machine Scheduling Solution for Homogeneous Processing
Stefano Nasini, Rabia Nessah

Robust Optimization
Semi-Discrete Optimal Transport: Hardness, Regularization and Numerical Solution
Bahar Taskesen, Soroosh Shafieezadeh-Abadeh, Daniel Kuhn

Applications — OR and Management Sciences
Application-Driven Learning via Joint Prediction and Optimization of Demand and Reserves Requirement
Joaquim Dias Garcia, Alexandre Street, Tito Homem-de-Mello, Francisco D. Muñoz

Network Optimization
Improving Column-Generation for Vehicle Routing Problems via Random Coloring and Parallelization
Miao Yu, Viswanath Nagarajan, Siqian Shen

Applications — Science and Engineering
Budget-Cut: Introduction to a budget based cutting-plane algorithm for capacity expansion models
Oliver Rehberg, Bismark Singh, Theresa Groß, Maximilian Hoffmann, Leander Kotzur, Detlef Stolten

Combinatorial Optimization
Sequential Competitive Facility Location: Exact and Approximate Algorithms
Mingyao Qi, Ruiwei Jiang, Siqian Shen

Applications — OR and Management Sciences
A Computational Study of Constraint Programming Approaches for Resource-Constrained Project Scheduling with Autonomous Learning Effects
Alessandro Hill, Jordan Ticktin, Thomas Vossen

Nonlinear Optimization
Use of static surrogates in hyperparameter optimization
Dounia Lakhmiri, Sébastien Le Digabel

Nonlinear Optimization
Global convergence of Riemannian line search methods with a Zhang-Hager-type condition
Harry Oviedo

Convex and Nonsmooth Optimization
String-Averaging Methods for Best Approximation to Common Fixed Point Sets of Operators: The Finite and Infinite Cases
Yair Censor, Ariel Nisenbaum

Applications — OR and Management Sciences
Robust Planning of Sorting Operations in Express Delivery Systems
Reem Khir, Alan Erera, Alejandro Toriello

Integer Programming
A Computational Study of Perspective Cuts
Ksenia Bestuzheva, Ambros Gleixner, Stefan Vigerske

Applications — OR and Management Sciences
Bi-objective Robust Vehicle Routing Problem with Time Windows and Uncertain Travel Time
Huangjie Zhao, Zhenzhen Zhang, Andrew Lim

Applications — OR and Management Sciences
Robust Price Optimization of Multiple Products under Interval Uncertainties
Mahdi Hamzeei, Alvin Lim, Jiefeng Xu

Applications — OR and Management Sciences
Marketing Mix Optimization with Practical Constraints
Hsin-Chan Huang, Jiefeng Xu, Alvin Lim

Combinatorial Optimization
Finite convergence of sum-of-squares hierarchies for the stability number of a graph
Luis Felipe Vargas, Monique Laurent

Combinatorial Optimization
Lower Bounds on the Size of General Branch-and-Bound Trees
Santanu S. Dey, Yatharth Dubey, Marco Molinaro

Nonlinear Optimization
Further developments of methods for traversing regions of non-convexity in optimization problems
Michael Bartholomew-Biggs, Salah Beddiaf, Bruce Christianson

Convex and Nonsmooth Optimization
Universal Conditional Gradient Sliding for Convex Optimization
Yuyuan Ouyang, Trevor Squires

Combinatorial Optimization
Characterizing Linearizable QAPs by the Level-1 Reformulation-Linearization Technique
Lucas Waddell, Warren Adams

Applications — OR and Management Sciences
Robust Vehicle Routing under Uncertainty via Branch-Price-and-Cut
Akang Wang, Anirudh Subramanyam, Chrysanthos E. Gounaris

Applications — OR and Management Sciences
Robust Portfolio Selection Problems: A Comprehensive Review
Alireza Ghahtarani, Ahmed Saif, Alireza Ghasemi

Convex and Nonsmooth Optimization
Minimizing Nonsmooth Convex Functions with Variable Accuracy
Nataša Krejić , Nataša Krklec Jerinkić, Tijana Ostojić

Applications — OR and Management Sciences
Long-run market equilibria in coupled energy sectors: A study of uniqueness
Jonas Egerer, Veronika Grimm, Julia Grübel, Gregor Zöttl

Applications — OR and Management Sciences
Assortment Optimization under the Decision Forest Model
Yi-Chun Chen, Velibor Mišić

Nonlinear Optimization
Fast cluster detection in networks by first-order optimization
Immanuel Bomze, Francesco Rinaldi, Damiano Zeffiro

Nonlinear Optimization
Complexity of Projected Newton Methods for Bound-constrained Optimization
Yue Xie, Stephen Wright

Applications — OR and Management Sciences
Decomposition strategies for vehicle routing heuristics
Alberto Santini, Michael Schneider, Thibaut Vidal, Daniele Vigo

Nonlinear Optimization
Scalable adaptive cubic regularization methods
Jean-Pierre Dussault, Dominique Orban

Stochastic Programming
Exact algorithms for the 0-1 Time-bomb Knapsack Problem
Michele Monaci, Ciara Pike-Burke, Alberto Santini

Applications — OR and Management Sciences
Optimizing Driver Menus Under Stochastic Selection Behavior for Ridesharing and Crowdsourced Delivery
Hannah Horner, Jennifer Pazour, John E. Mitchell

Convex and Nonsmooth Optimization
A Proximal Quasi-Newton Trust-Region Method for Nonsmooth Regularized Optimization
Aleksandr Y. Aravkin, Robert Baraldi, Dominique Orban

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