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Optimization Online





 

All Areas Submissions - May 2019

Linear, Cone and Semidefinite Programming
A convex relaxation to compute the nearest structured rank deficient matrix
Diego Cifuentes

Linear, Cone and Semidefinite Programming
Polyhedral approximations of the semidefinite cone and their applications
Yuzhu Wang, Akihiro Tanaka, Akiko Yoshise

Network Optimization
A Combinatorial Algorithm for the Multi-commodity Flow Problem
Pengfei Liu

Applications — Science and Engineering
A cross-validation subset selection for sparse regression
Dennis Kreber

Nonlinear Optimization
A Theoretical and Empirical Comparison of Gradient Approximations in Derivative-Free Optimization
Albert S. Berahas, Liyuan Cao, Krzysztof Choromanski, Katya Scheinberg

Convex and Nonsmooth Optimization
A Proximal Interior Point Algorithm with Applications to Image Processing
Emilie Chouzenoux, Marie-Caroline Corbineau, Jean-Christophe Pesquet

Convex and Nonsmooth Optimization
New inertial factors of the Krasnoselskii-Mann iteration
Dong Yunda

Applications — OR and Management Sciences
Pricing for Delivery Time Flexibility
Baris Yildiz, Martin Savelsbergh

Stochastic Programming
Stochastic Lipschitz Dynamic Programming
Shabbir Ahmed, Filipe G. Cabral, Bernardo Freitas Paulo da Costa

Linear, Cone and Semidefinite Programming
Detection and Transformation of Second-Order Cone Programming Problems in a General-Purpose Algebraic Modeling Language
Jared Erickson, Robert Fourer

Convex and Nonsmooth Optimization
An Inexact Primal-Dual Smoothing Framework for Large-Scale Non-Bilinear Saddle Point Problems
Thi Khanh Hien Le , Renbo Zhao, William Haskell

Convex and Nonsmooth Optimization
New characterizations of Hoffman constants for systems of linear constraints
Javier Pena, Juan Vera, Luis Zuluaga

Applications — OR and Management Sciences
A Scenario-Based Approach for the Vehicle Routing Problem with Roaming Delivery Locations under Stochastic Travel Times
Afonso Sampaio, Joris Kinable, Lucas Veelenturf, Tom Van Woensel

Applications — OR and Management Sciences
The Nutritious Supply Chain: Optimizing Humanitarian Food Aid
K Peters, S Silva, R Goncalves, M Kavelj, H Fleuren, D Den Hertog, O Ergun, M Freeman

Optimization Software and Modeling Systems
A Python package for multi-stage stochastic programming
Lingquan Ding, Shabbir Ahmed, Alexander Shapiro

Integer Programming
Facet-Defining Inequalities for Multi-Module Survivable Network Design Problem
Haochen Luo, Kiavash Kianfar

Linear, Cone and Semidefinite Programming
Distributed Dantzig-Wolfe Decomposition
Mohamed El Tonbari, Shabbir Ahmed

Applications — OR and Management Sciences
Achieving High Individual Service-Levels without Safety Stock? Optimal Rationing Policy of Pooled Resources
Jiashuo Jiang, Shixin Wang, Jiawei Zhang

Nonlinear Optimization
Projections onto the canonical simplex with additional linear inequalities
LukᚠAdam, Václav Mácha

Convex and Nonsmooth Optimization
Proximal augmented Lagrangian method for convex optimization with linear inequality constraints
Shengjie Xu, Jing Yuan, Bingsheng He

Stochastic Programming
Risk-Sensitive Variational Bayes: Formulations and Bounds
Prateek Jaiswal, Harsha Honnappa, Vinayak A. Rao

Robust Optimization
Oracle-Based Algorithms for Binary Two-Stage Robust Optimization
Nicolas Kämmerling, Jannis Kurtz

Applications — OR and Management Sciences
Distributionally Robust Chance-Constrained Assignment Problem with an Application to Operating Room Planning
Shanshan Wang, Jinlin Li, Sanjay Mehrotra

Integer Programming
Multi-Variable Branching: A Case Study with 0-1 Knapsack Problems
Yu Yang, Natashia Boland, Savelsbergh Martin

Stochastic Programming
Solving Chance-Constrained Problems via a Smooth Sample-Based Nonlinear Approximation
Alejandra Pena-Ordieres, James Luedtke, Andreas Waechter

Combinatorial Optimization
Equivalences among the chi measure, Hoffman constant, and Renegar's distance to ill-posedness
Javier Pena, Juan Vera, Luis Zuluaga

Applications — OR and Management Sciences
Stochastic VRP with time windows and correlated travel times
Federica Bomboi, Christoph Buchheim, Jonas Prünte

Convex and Nonsmooth Optimization
General Convergence Rates Follow From Specialized Rates Assuming Growth Bounds
Benjamin Grimmer

Convex and Nonsmooth Optimization
Variable smoothing for convex optimization problems using stochastic gradients
Radu Ioan Bot, Axel Böhm

Nonlinear Optimization
A FISTA-type accelerated gradient algorithm for solving smooth nonconvex composite optimization problems
Jiaming Liang, Renato Monteiro, Chee-Khian Sim

Applications — OR and Management Sciences
Mitigating Interdiction Risk with Fortification
Thi Khanh Hien Le, Melvyn Sim, Huan Xu

Nonlinear Optimization
Hybrid methods for nonlinear least squares problems
Ladislav Luksan, Ctirad Matonoha, Jan Vlcek

Nonlinear Optimization
Numerical solution of generalized minimax problems
Ladislav Luksan, Ctirad Matonoha, Jan Vlcek

Applications — Science and Engineering
Using interior point solvers for optimizing progressive lens models with spherical coordinates
Glòria Casanellas, Jordi Castro

Robust Optimization
Radius of Robust Feasibility for Mixed-Integer Problems
Frauke Liers, Lars Schewe, Johannes Thürauf

Integer Programming
On the Relation between the Extended Supporting Hyperplane Algorithm and Kelley's Cutting Plane Algorithm
Felipe Serrano, Robert Schwarz, Ambros Gleixner

Linear, Cone and Semidefinite Programming
Improved convergence analysis of Lasserre's measure-based upper bounds for polynomial minimization on compact sets
Lucas Slot, Monique Laurent

Stochastic Programming
Lagrangian relaxation based heuristics for a chance-constrained optimization model of a hybrid solar-battery storage system
Bismark Singh, Bernard Knueven

Applications — Science and Engineering
Multiphase Mixed-Integer Nonlinear Optimal Control of Hybrid Electric Vehicles
Nicolò Robuschi, clemens Zeile, Sebastian Sager, Francesco Braghin, Federico Cheli

Convex and Nonsmooth Optimization
Beyond Alternating Updates for Matrix Factorization with Inertial Bregman Proximal Gradient Algorithms
Mahesh Chandra Mukkamala, Peter Ochs

Stochastic Programming
Acceleration of SVRG and Katyusha X by Inexact Preconditioning
Yanli Liu, Fei Feng, Wotao Yin

Applications — OR and Management Sciences
The Fuel Replenishment Problem:A Split-Delivery Multi-Compartment Vehicle Routing Problem with Multiple Trips
L Wang, J Kinable, T.van Woensel

Linear, Cone and Semidefinite Programming
A primal-dual interior-point algorithm for nonsymmetric exponential-cone optimization.
Joachim Dahl, Erling Andersen, D.

Applications — OR and Management Sciences
Decomposing the Train Scheduling Problem into Integer Optimal Polytopes
Masoud Barah, Abbas Seifi, Jim Ostrowski

Integer Programming
Solving Multiobjective Mixed Integer Convex Optimization Problems
Marianna De Santis, Gabriele Eichfelder, Julia Niebling, Stefan Rocktäschel

Convex and Nonsmooth Optimization
Asynchronous Stochastic Subgradient Methods for General Nonsmooth Nonconvex Optimization
Vyacheslav Kungurtsev, Malcolm Egan, Bapi Chatterjee, Dan Alistarh

Nonlinear Optimization
Hybrid Stochastic Gradient Descent Algorithms forStochastic Nonconvex Optimization
Quoc Tran-Dinh, H. Nhan Pham, T. Dzung Phan, M. Lam Nguyen

Linear, Cone and Semidefinite Programming
A Newton-bracketing method for a simple conic optimization problem
Sunyoung Kim, Masakazu Kojima, Kim-Chuan Toh

Integer Programming
Risk-Averse Bi-Level Stochastic Network Interdiction Model for Cyber-Security Risk Management
Tanveer Hossain Bhuiyan, Hugh Medal, Apurba Nandi, Mahantesh Halappanavar

Nonlinear Optimization
An accelerated inexact proximal point method for solving nonconvex-concave min-max problems
Weiwei Kong, Renato D.C. Monteiro


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