Optimization Online


All Areas Submissions - September 2021

Nonlinear Optimization
Two limited-memory optimization methods with minimum violation of the previous quasi-Newton equations
Jan Vlček, Ladislav Lukšan

Applications — OR and Management Sciences
Capturing Unit Startup and Shutdown Uncertainties in the Real-time Commitment Process
Shengfei Yin, Yonghong Chen, Bernard Knueven, Long Zhao, Mohammad Faqiry , Anupam Thatte , Jianhui Wang

Applications — OR and Management Sciences
Heuristics for Home Appliances Scheduling Problems With Energy Consumption Bounds
Sebastián Taboh, Isabel Méndez-Díaz, Paula Zabala

Combinatorial Optimization
New IP-based lower bounds for small Ramsey numbers using circulant graphs
Fabio Furini, Ivana Ljubic, Pablo San Segundo

Stochastic Programming
Multistage Stochastic Fractionated Intensity Modulated Radiation Therapy Planning
Juyoung Wang, Mucahit Cevik, Merve Bodur, Mark Ruschin

Robust Optimization
Pareto Robust Optimization on Euclidean Vector Spaces
Dennis Adelhütte, Christian Biefel, Martina Kuchlbauer, Jan Hendrik Rolfes

Applications — OR and Management Sciences
Integer Optimization Model and Algorithm for the Stem Cell Culturing Problem
Jongyoon Park, Jinil Han, Kyungsik Lee

Robust Optimization
Data-Driven Distributionally Preference Robust Optimization Models Based on Random Utility Representation in Multi-Attribute Decision Making
Jian Hu, Dali Zhang, Huifu Xu

Combinatorial Optimization
A fully polynomial time approximation scheme for the probability maximizing shortest path problem
Jisun Lee, Seulgi Joung, Kyungsik Lee

Applications — OR and Management Sciences
Stochastic Scheduling of Chemotherapy Appointments Considering Patient Acuity Levels
Sirma Karakaya, Serhat Gul, Melih Celik

Combinatorial Optimization
On the generation of Metric TSP instances with a large integrality gap by branch-and-cut.
Eleonora Vercesi, Stefano Gualandi, Monaldo Mastrolilli, Luca Maria Gambardella

Robust Optimization
Sinkhorn Distributionally Robust Optimization
Jie Wang, Rui Gao, Yao Xie

Applications — Science and Engineering
Nonlinear matrix recovery using optimization on the Grassmann manifold
Florentin Goyens, Coralia Cartis, Armin Eftekhari

Stochastic Programming
Effective Scenarios in Multistage Distributionally Robust Optimization with a Focus on Total Variation Distance
Hamed Rahimian, Guzin Bayraksan, Tito Homem-de-Mello

Applications — OR and Management Sciences
Multi-Mode Capacitated Lot Sizing Problem with Periodic Carbon Emission Constraints
Esra Koca, G.Irmak Koksalan

Nonlinear Optimization
A Cubic Regularization of Newton's Method with Finite-Difference Hessian Approximations
Geovani Grapiglia, Max Gonçalves, Gilson Silva

Nonlinear Optimization
Extension of the delayed weighted gradient method for the minimization of strongly convex functions
R. Andreani, H. Oviedo, M. Raydan, L.D. Secchin

Convex and Nonsmooth Optimization
A very simple analysis of higher order liftings for binary problems
Florian Jarre

Other Topics
A quasi-Newton method with Wolfe line searches for multiobjective optimization
L. F. Prudente, D. R. Souza

Applications — OR and Management Sciences
The multiphase course timetabling problem
Rasul Esmaeilbeigi, Vicky Mak-Hau, John Yearwood, Vivian Nguyen

Nonlinear Optimization
A Local MM Subspace Method for Solving Constrained Variational Problems in Image Recovery
Emilie Chouzenoux, Ségolène Martin, Jean-Christophe Pesquet

Optimization Software and Modeling Systems
Scalable Parallel Nonlinear Optimization with PyNumero and Parapint
Jose Rodriguez, Robert Parker, Carl Laird, Bethany Nicholson, John Siirola, Michael Bynum

Optimization Software and Modeling Systems
EETTlib - Energy-Efficient Train Timetabling Library
Andreas Bärmann, Patrick Gemander, Lukas Hager, Frederik Noeth, Oskar Schneider

Nonlinear Optimization
Adaptive Sampling Quasi-Newton Methods for Zeroth-Order Stochastic Optimization
Raghu Bollapragada, Stefan Wild

Linear, Cone and Semidefinite Programming
Tight error bounds and facial residual functions for the p-cones and beyond
Scott B. Lindstrom, Bruno F. Lourenço, Ting Kei Pong

Convex and Nonsmooth Optimization
Log-domain interior-point methods for quadratic programming
Frank Permenter

Integer Programming
Stochastic mixed-integer second-order cone optimization
Baha Alzalg

Applications — OR and Management Sciences
Approximate Dynamic Programming for Crowd-shipping with In-store Customers
Kianoush Mousavi, Merve Bodur, Mucahit Cevik, Matthew J. Roorda

Nonlinear Optimization
Dual descent ALM and ADMM
Kaizhao Sun , Andy Sun

Integer Programming
Submodular Interval Scheduling
Christopher Muir, Alejandro Toriello

Stochastic Programming
Confidence Interval Software for Multi-stage Stochastic Programs
Xiaotie Chen, Sylvain Cazaux, Brian Knight, David Woodruff

Nonlinear Optimization
A Riemannian Block Coordinate Descent Method for Computing the Projection Robust Wasserstein Distance
Minhui Huang, Shiqian Ma, Lifeng Lai

Nonlinear Optimization
Projection Robust Wasserstein Barycenters
Minhui Huang, Shiqian Ma, Lifeng Lai

Convex and Nonsmooth Optimization
Comparing Solution Paths of Sparse Quadratic Minimization with a Stieltjes Matrix
Ziyu He, Shaoning Han, Andres Gomez, Ying Cui, Jong-Shi Pang

Applications — OR and Management Sciences
Sparse Plus Low Rank Matrix Decomposition: A Discrete Optimization Approach
Dimitris Bertsimas, Ryan Cory-Wright, Nicholas A. G. Johnson

Nonlinear Optimization
Regularized Step Directions in Conjugate Gradient Minimization for Machine Learning
Cassidy K. Buhler, Hande Y. Benson, David F. Shanno

Nonlinear Optimization
The equilateral small octagon of maximal width
Christian Bingane, Charles Audet

Convex and Nonsmooth Optimization
On the Convergence of Projected Alternating Maximization for Equitable and Optimal Transport
Minhui Huang, Shiqian Ma, Lifeng Lai

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