Optimization Online


All Areas Submissions - August 2021

Stochastic Programming
Confidence Region for Distributed Stochastic Optimization Problem in Stochastic Gradient Tracking Method
Shengchao Zhao, Yongchao Liu

Applications — OR and Management Sciences
Multi-criteria Course Mode Selection and Classroom Assignment Under Sudden Space Scarcity
Mehran Navabi-Shirazi, Mohamed El Tonbari, Natashia Boland, Dima Nazzal, Lauren Steimle

Applications — OR and Management Sciences
Decision Intelligence for Nationwide Ventilator Allocation
Jiajun Xu, Sen Suvrajeet

Integer Programming
A Reformulation Technique to Solve Polynomial Optimization Problems with Separable Objective Functions of Bounded Integer Variables
Pitchaya Wiratchotisatian, Andrew Trapp

Applications — OR and Management Sciences
Increasing Driver Flexibility through Personalized Menus and Incentives in Ridesharing and Crowdsourced Delivery Platforms
Hannah Horner, Jennifer Pazour, John E. Mitchell

Other Topics
Linear relaxation based branch-and-bound for multi-objective integer programming with warm-starting
Nicolas Forget, Sune Lauth Gadegaard, Lars Relund Nielsen

Applications — OR and Management Sciences
Linear Control Policies for Online Vehicle Relocation in Shared Mobility Systems
Yasuhiro Yoshida, Yuichi Takano

Nonlinear Optimization
QCQP with Extra Constant Modulus Constraints: Theory and Applications on QoS Constrained Hybrid Beamforming for mmWave MU-MIMO
Xin He

Nonlinear Optimization
An abstract convergence framework with application to inertial inexact forward-backward methods
Silvia Bonettini, Peter Ochs, Marco Prato, Simone Rebegoldi

Combinatorial Optimization
Solving Graph Partitioning on Sparse Graphs: Cuts, Projections, and Extended Formulations
Demetrios Papazaharias, Jose Walteros

Nonlinear Optimization
On Piecewise Linear Approximations of Bilinear Terms: Structural Comparison of Univariate and Bivariate Mixed-Integer Programming Formulations
Andreas Bärmann, Robert Burlacu, Lukas Hager, Thomas Kleinert

Other Topics
Equilibrium points of bimatrix games using bilinear and linear programming
Somdeb Lahiri

Other Topics
On implementation details and numerical experiments for the HyPaD algorithm to solve multi-objective mixed-integer convex optimization problems
Gabriele Eichfelder, Leo Warnow

Applications — OR and Management Sciences
An Analysis of Structured Optimal Policies for Hypertension Treatment Planning: The Tradeoff Between Optimality and Interpretability
Gian-Gabriel Garcia, Lauren Steimle, Wesley Marrero, Jeremy Sussman

Applications — OR and Management Sciences
A two-objective optimization of ship itineraries for a cruise company
Gianni Di Pillo, Marcello Fabiano, Stefano Lucidi, Massimo Roma

Other Topics
A hybrid patch decomposition approach to compute an enclosure for multi-objective mixed-integer convex optimization problems
Gabriele Eichfelder, Leo Warnow

Applications — OR and Management Sciences
A Branch and Price Algorithm for the Heterogenous Fleet Multi-depot Multi-trip Vehicle Routing Problem with Time Windows
M.K. Sahin, Hande Yaman

Stochastic Programming
The Sharpe predictor for fairness in machine learning
Suyun Liu, Luis Nunes Vicente

Convex and Nonsmooth Optimization
Fixed point and coincidence problems of set-valued mappings via regularity in metric spaces
Huu Tron Nguyen

Convex and Nonsmooth Optimization
Exact Convergence Rates of Alternating Projections for Nontransversal Intersections
Hiroyuki Ochiai, Yoshiyuki Sekiguchi, Hayato Waki

Nonlinear Optimization
Worst-case evaluation complexity of derivative-free nonmonotone line search methods for solving nonlinear systems of equations
Geovani Grapiglia, Flávia Chorobura

Integer Programming
Projective Cutting Planes for General QP with Indicator Constraints
Ulf Friedrich, Dennis Kreber

Linear, Cone and Semidefinite Programming
Solving Cut-Generating Linear Programs via Machine Learning
Atefeh Rajabalizadeh, Danial Davarnia

Applications — OR and Management Sciences
Energy-efficient Automated Vertical Farms
Maxence Delorme, Alberto Santini

Nonlinear Optimization
Time-Domain Decomposition for Mixed-Integer Optimal Control Problems
Falk M. Hante, Richard Krug, Martin Schmidt

Stochastic Programming
Accelerated Stochastic Peaceman-Rachford Method for Empirical Risk Minimization
Jianchao Bai, Fengmiao Bian, Xiaokai Chang, Lin Du

Convex and Nonsmooth Optimization
On Properties of Univariate Max Functions at Local Maximizers
Tim Mitchell, Michael L. Overton

Network Optimization
On fault-tolerant low-diameter clusters in graphs
Yajun Lu, Hosseinali Salemi, Balabhaskar Balasundaram, Austin Buchanan

Applications — OR and Management Sciences
MILP models for the continuous Berth Allocation and Quay Crane Assignment Problem considering crane movement and setup times
Juan F. Correcher, Federico Perea, Ramon Alvarez-Valdes

Stochastic Programming
Scenario Consensus Algorithms for Solving Stochastic and Dynamic Problems
Felipe Lagos

Applications — OR and Management Sciences
Appointment Scheduling for Medical Diagnostic Centers considering Time-sensitive Pharmaceuticals: A Dynamic Robust Optimization Approach
Mohammad Mahdavi Mazdeh, Mohammad Namakshenas, Aleida Braaksma, Mahdi Heydari

Applications — OR and Management Sciences
Mathematical models for the minimization of open stacks problem
Mateus Martin, Horacio Hideki Yanasse, Maria José Pinto

Applications — Science and Engineering
Designing reliable future energy systems by iteratively including extreme periods in time-series aggregation
Holger Teichgraeber, Lucas Elias Kuepper, Adam Brandt

Convex and Nonsmooth Optimization
A New Insight on Balanced Augmented Lagrangian Method
Jianchao Bai

Applications — Science and Engineering
Developments in mathematical algorithms and computational tools for proton CT and particle therapy treatment planning
Yair Censor, E. Keith Schubert, W. Reinhard Schulte

Applications — Science and Engineering
Linearizing Bilinear Products of Shadow Prices and Dispatch Variables in Bilevel Problems for Optimal Power System Planning
Nicholas Laws, Grani Hanasusanto

Nonlinear Optimization
A Trilevel Model for Segmentation of the Power Transmission Grid Cyber Network
Bryan Arguello, Emma Johnson, Jared Gearhart

Applications — OR and Management Sciences
The probabilistic travelling salesman problem with crowdsourcing
Alberto Santini, Ana Viana, Xenia Klimentova, Joao Pedro Pedroso

Combinatorial Optimization
Interdicting Low-Diameter Cohesive Subgroups in Large-Scale Social Networks
Niloufar Daemi, Juan Borrero, Balabhaskar Balasundaram

Convex and Nonsmooth Optimization
Subgradient methods near active manifolds: saddle point avoidance, local convergence, and asymptotic normality
Damek Davis, Dmitriy Drusvyatskiy, Liwei Jiang

Robust Optimization
Extremal Probability Bounds in Combinatorial Optimization
Divya Padmanabhan, Selin Damla Ahipasaoglu, Arjun Ramachandra, Karthik Natarajan

Applications — OR and Management Sciences
Layout and location planning for automatic locker box systems under stochastic demand
Michael Kahr

Integer Programming
Efficient Joint Object Matching via Linear Programming
Antonio De Rosa, Aida KHAJAVIRAD

Applications — OR and Management Sciences
Learning Optimal Prescriptive Trees from Observational Data
Nathanael Jo, Sina Aghaei, Andrés Gómez, Phebe Vayanos

Convex and Nonsmooth Optimization
A Different Perspective on the Stochastic Convex Feasibility Problem
James Renegar, Song Zhou

Applications — OR and Management Sciences
A decomposition approach for integrated locomotive scheduling and driver rostering in rail freight transport
Andreas Bärmann, Alexander Martin, Jonasz Staszek

Convex and Nonsmooth Optimization
A Derivation of Nesterov's Accelerated Gradient Algorithm from Optimal Control Theory
Isaac Ross

Nonlinear Optimization
SABRINA: A Stochastic Subspace Majorization-Minimization Algorithm
Jean-Baptiste Fest, Emilie Chouzenoux

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