Levi Retsef

Retsef Levi

Information about the author Retsef Levi will soon be added to the site.
Found 14 papers in total
Provably Near-Optimal Balancing Policies for Multi-Echelon Stochastic Inventory Control Models
Provably Near-Optimal Balancing Policies for Multi-Echelon Stochastic Inventory Control Models
2017
We develop the first algorithmic approach to compute provably good ordering policies...
On the Effectiveness of Uniform Subsidies in Increasing Market Consumption
On the Effectiveness of Uniform Subsidies in Increasing Market Consumption
2017
We study the problem faced by a central planner trying to increase the consumption of...
The Data-Driven Newsvendor Problem: New Bounds and Insights
The Data-Driven Newsvendor Problem: New Bounds and Insights
2015
Consider the newsvendor model, but under the assumption that the underlying demand...
Approximation algorithms for capacitated stochastic inventory systems with setup costs
Approximation algorithms for capacitated stochastic inventory systems with setup costs
2014
We develop the first approximation algorithm with worst‐case performance...
Maintenance scheduling for modular systems: Modeling and algorithms
Maintenance scheduling for modular systems: Modeling and algorithms
2014
We study new models of scheduled maintenance management for modular systems,...
Maintenance and flight scheduling of low observable aircraft
Maintenance and flight scheduling of low observable aircraft
2015
In this article, we focus on relatively new maintenance and operational scheduling...
Modeling the impact of changing patient transportation systems on peri‐operative process performance in a large hospital: insights from a computer simulation study
Modeling the impact of changing patient transportation systems on peri‐operative process performance in a large hospital: insights from a computer simulation study
2012
Transportation of patients is a key hospital operational activity. During a large...
Provably near-optimal LP-based policies for revenue management in systems with reusable resources
Provably near-optimal LP-based policies for revenue management in systems with reusable resources
2010
Motivated by emerging applications in workforce management, we consider a class of...
Provably Near-Optimal Sampling-Based Policies for Stochastic Inventory Control Models
Provably Near-Optimal Sampling-Based Policies for Stochastic Inventory Control Models
2007
In this paper, we consider two fundamental inventory models, the single–period...
A 2-Approximation Algorithm for Stochastic Inventory Control Models with Lost Sales
A 2-Approximation Algorithm for Stochastic Inventory Control Models with Lost Sales
2008
In this paper, we describe the first computationally efficient policies for stochastic...
Approximation Algorithms for the Capacitated Multi-Item Lot-Sizing Problem via Flow-Cover Inequalities
Approximation Algorithms for the Capacitated Multi-Item Lot-Sizing Problem via Flow-Cover Inequalities
2008
We study the classical capacitated multi–item lot–sizing problem with hard...
Approximation algorithms for stochastic inventory control models
Approximation algorithms for stochastic inventory control models
2007
We consider two classical stochastic inventory control models, the...
Approximation Algorithms for Capacitated Stochastic Inventory Control Models
Approximation Algorithms for Capacitated Stochastic Inventory Control Models
2008
We develop the first algorithmic approach to compute provably good ordering policies...
Primal-dual algorithms for deterministic inventory problems
Primal-dual algorithms for deterministic inventory problems
2006
We consider several classical models in deterministic inventory theory: the...
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