Covid-19 PPE distribution planning with demand priorities and supply uncertainties [0.03%]
考虑需求优先级和供应不确定性的新冠疫情个人防护用品分配规划问题研究
Gohram Baloch,Fatma Gzara,Samir Elhedhli
Gohram Baloch
The recent Covid-19 outbreak put healthcare resources under enormous pressure. Governments and healthcare authorities faced major challenges in securing and delivering critical supplies such as personal protective equipment (PPE) and test k...
Long-term spatial and population-structured planning of non-pharmaceutical interventions to epidemic outbreaks [0.03%]
针对流行病暴发的长期空间和人口结构化非药物干预规划
Mariusz Kaleta,Małgorzata Kęsik-Brodacka,Karolina Nowak et al.
Mariusz Kaleta et al.
In this paper, we consider the problem of planning non-pharmaceutical interventions to control the spread of infectious diseases. We propose a new model derived from classical compartmental models; however, we model spatial and population-s...
Chuang Zhang,Yantong Li,Junhai Cao et al.
Chuang Zhang et al.
The outbreak of COVID-19 dramatically impacts the global economy. Mass COVID-19 vaccination is widely regarded as the most promising way to fight against the pandemic and help return to normal. Many governments have authorized certain types...
Dynamic pricing and inventory management with demand learning: A bayesian approach [0.03%]
动态定价和库存管理与需求学习：一种贝叶斯方法
Jue Liu,Zhan Pang,Linggang Qi
Jue Liu
We consider a retail firm selling a durable product in a volatile market where the demand is price-sensitive and random but its distribution is unknown. The firm dynamically replenishes inventory and adjusts prices over time and learns abou...
A trilevel r-interdiction selective multi-depot vehicle routing problem with depot protection [0.03%]
三级别r-干扰选择多中心车辆路径问题及中心保护问题研究
Mir Ehsan Hesam Sadati,Deniz Aksen,Necati Aras
Mir Ehsan Hesam Sadati
The determination of critical facilities in supply chain networks has been attracting the interest of the Operations Research community. Critical facilities refer to structures including bridges, railways, train/metro stations, medical faci...
Yang Liu,Zhi-Ping Fan,Yuan Yuan et al.
Yang Liu et al.
Decision-making problems in emergency response are usually risky and uncertain due to the limited decision data and possible evolvement of emergency scenarios. This paper focuses on a risk decision-making problem in emergency response with ...
Bart Smeulders,Clintin Davis-Stober,Michel Regenwetter et al.
Bart Smeulders et al.
In so-called random preference models of probabilistic choice, a decision maker chooses according to an unspecified probability distribution over preference states. The most prominent case arises when preference states are linear orders or ...
Fabien Tricoire
Fabien Tricoire
This paper introduces multi-directional local search, a metaheuristic for multi-objective optimization. We first motivate the method and present an algorithmic framework for it. We then apply it to several known multi-objective problems suc...
MIP models for connected facility location: A theoretical and computational study [0.03%]
互联设施定位的MIP模型：理论与计算研究
Stefan Gollowitzer,Ivana Ljubić
Stefan Gollowitzer
This article comprises the first theoretical and computational study on mixed integer programming (MIP) models for the connected facility location problem (ConFL). ConFL combines facility location and Steiner trees: given a set of customers...
Lower and upper bounds for the two-echelon capacitated location-routing problem [0.03%]
两层容量限制下的位置路由问题的下上界研究
Claudio Contardo,Vera Hemmelmayr,Teodor Gabriel Crainic
Claudio Contardo
In this paper, we introduce two algorithms to address the two-echelon capacitated location-routing problem (2E-CLRP). We introduce a branch-and-cut algorithm based on the solution of a new two-index vehicle-flow formulation, which is streng...