Search Results - "Mixed integer programming"

Journal Article

Showcasing optimization in omnichannel retailing

by Park, Jisoo Dayarian, Iman Montreuil, Benoit Published in European journal of operational research (01.04.2020)

“...•We introduce a novel omnichannel retail strategy based on the concept of showcasing.•In a retailer’s showroom, customers are provided with the opportunity to...”

Journal Article

LP-based dual bounds for the maximum quasi-clique problem

by Marinelli, Fabrizio Pizzuti, Andrea Rossi, Fabrizio Published in Discrete Applied Mathematics (01.03.2020)

“...A γ-quasi-clique is a simple and undirected graph with edge density of at least γ. Given a graph G, the maximum γ-quasi-clique problem (γ-QCP) consists of...”

Journal Article

Expanding scope and computational challenges in process scheduling

by Castro, Pedro M Grossmann, Ignacio E Zhang, Qi Published in Computers & chemical engineering (09.06.2018)

“...•Overview enterprise-wide optimization and challenges in multiscale temporal modeling and integration of different models.•Review Generalized Disjunctive...”

Journal Article

Scheduling consecutive days off: A case study of maritime pilots

by Lorenzo-Espejo, Antonio Muñuzuri, Jesús Onieva, Luis Cortés, Pablo Published in Computers & industrial engineering (01.05.2021)

“...•Two mixed integer programming models for a days-off scheduling problem are posited.•The models are used to produce fourteen-week-long schedules for maritime...”

Journal Article

Obtaining lower bounds from the progressive hedging algorithm for stochastic mixed-integer programs

by Gade, Dinakar Hackebeil, Gabriel Ryan, Sarah M Watson, Jean-Paul Wets, Roger J.-B Woodruff, David L
edited by Linderoth, Jeff Ahmed, Shabbir
Published in Mathematical programming (01.05.2016)

“...We present a method for computing lower bounds in the progressive hedging algorithm (PHA) for two-stage and multi-stage stochastic mixed-integer programs...”

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Journal Article

Design of a future hydrogen supply chain: A multi period model for Turkey

by Güler, Mehmet Güray Geçici, Ebru Erdoğan, Ahmet Published in International journal of hydrogen energy

“...There is no doubt that energy will have one of highest priorities in agendas of strategic plans of countries. Since fossil fuels are running out and carbon...”

Journal Article

Efficient Formulations and Decomposition Approaches for Power Peak Reduction in Railway Traffic via Timetabling

by Bärmann, Andreas Martin, Alexander Schneider, Oskar Published in Transportation science (23.02.2021)

“...Over the last few years, optimization models for the energy-efficient operation of railway traffic have received more and more attention, particularly in...”

Journal Article

Supply chain design to guarantee quoted lead time and inventory replenishment: model and insights

by Hammami, Ramzi Frein, Yannick Bahli, Bouchaib Published in International journal of production research (18.06.2017)

“...Do lead time constraints only lead to re-think and re-optimise the inventory positioning along the supply chain or can they impact on the design of the supply...”

Journal Article

Sharp formulations of nonconvex piecewise linear functions to solve the economic dispatch problem with valve-point effects

by Sharifzadeh, Hossein Published in International journal of electrical power & energy systems (01.05.2021)

“...•New mathematical programming techniques to solve the nonconvex ED are proposed.•A new breakpoint assignment method for piecewise linear approximations is...”

Journal Article

Exact and overapproximated guarantees for corner cutting avoidance in a multiobstacle environment

by Stoican, Florin Prodan, Ionela Grøtli, Esten Ingar Published in International journal of robust and nonlinear control (01.10.2018)

“...Summary The corner cutting avoidance problem is an important but often overlooked part of motion planning strategies. Obstacle and collision avoidance...”

Journal Article

Bi-criteria single-machine batch scheduling with machine on/off switching under time-of-use tariffs

by Cheng, Junheng Chu, Feng Liu, Ming Wu, Peng Xia, Weili Published in Computers & industrial engineering (01.10.2017)

“...•A new single-machine batch scheduling problem with machine on/off switching under time-of-use tariffs is investigated.•New bi-objective mixed-integer linear...”

Journal Article

A New General-Purpose Algorithm for Mixed-Integer Bilevel Linear Programs

by Fischetti, Matteo Ljubic, Ivana Monaci, Michele Sinnl, Markus Published in Operations research (01.12.2017)

“...Bilevel optimization problems are very challenging optimization models arising in many important practical contexts, including pricing mechanisms in the energy...”

Journal Article

Radius of Robust Feasibility for Mixed-Integer Problems

by Liers, Frauke Schewe, Lars Thürauf, Johannes Published in INFORMS journal on computing (10.03.2021)

“...For a mixed-integer linear problem (MIP) with uncertain constraints, the radius of robust feasibility (RRF) determines a value for the maximal size of the...”

Journal Article

Solving Multi-Item Lot-Sizing Problems with an MIP Solver Using Classification and Reformulation

by Wolsey, Laurence A Published in Management science (01.12.2002)

“...Based on research on the polyhedral structure of lot-sizing models over the last 20 years, we claim that there is a nontrivial fraction of practical lot-sizing...”

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Journal Article

A stochastic optimization and simulation approach for scheduling operating rooms and recovery beds in an orthopedic surgery department

by Saadouli, Hadhemi Jerbi, Badreddine Dammak, Abdelaziz Masmoudi, Lotfi Bouaziz, Abir Published in Computers & industrial engineering (01.02.2015)

“...•A knapsack followed by a mixed integer program and discrete event simulation approach.•Minimizing the makespan and the waiting time of stochastic surgeries...”

Journal Article

Ellipsoidal Methods for Adaptive Choice-Based Conjoint Analysis

by Sauré, Denis Vielma, Juan Pablo Published in Operations research (18.03.2019)

“...In “Ellipsoidal Methods for Adaptive Choice-Based Conjoint Analysis,” D. Saure and J. P. Vielma study adaptive questionnaire design for choice-based conjoint...”

Journal Article

A state-space model for chemical production scheduling

by Subramanian, Kaushik Maravelias, Christos T Rawlings, James B Published in Computers & chemical engineering (20.12.2012)

“...We express a general mixed-integer programming (MIP) scheduling model in state-space form, and show how common scheduling disruptions, which lead to...”

Journal Article

Modelling Practical Lot-Sizing Problems as Mixed-Integer Programs

by Belvaux, Gaetan Wolsey, Laurence A Published in Management science (01.07.2001)

“...In spite of the remarkable improvements in the quality of general purpose mixed-integer programming software, the effective solution of a variety of lot-sizing...”

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Journal Article

Mixed Integer Programming models for job shop scheduling: A computational analysis

by Ku, Wen-Yang Beck, J. Christopher Published in Computers & operations research (01.09.2016)

“...In both industry and the research literature, Mixed Integer Programming (MIP) is often the default approach for solving scheduling problems. In this paper we...”

Journal Article

On deterministic online scheduling: Major considerations, paradoxes and remedies

by Gupta, Dhruv Maravelias, Christos T Published in Computers & chemical engineering (02.11.2016)

“...•Rescheduling is needed even in the deterministic case, with no “trigger” events.•We study how attributes of the online algorithm impact closed-loop solution...”

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