نتایج جستجو برای: transportation cost

تعداد نتایج: 437682  

Journal: :Revista de Administração, Sociedade e Inovação 2019

Journal: :Journal of Mathematical Analysis and Applications 2021

In this paper, we established a quadratic transportation cost inequality for scalar stochastic conservation laws driven by multiplicative noise. The doubling variables method plays an important role.

H. Soleimani, M. Seyyed Esfahani N. Shirazi

This paper considers a three-stage fixed charge transportation problem regarding stochastic demand and price. The objective of the problem is to maximize the profit for supplying demands. Three kinds of costs are presented here: variable costs that are related to amount of transportation cost between a source and a destination. Fixed charge exists whenever there is a transfer from a source to a...

2017
Mark G Shrime Mirjam Hamer Swagoto Mukhopadhyay Lauren M Kunz Nathan H Claus Kirsten Randall Joannita H Jean-Baptiste Pierre H Maevatombo Melissa P S Toh Jasmin R Biddell Ria Bos Michelle White

Background 81 million people face impoverishment from surgical costs every year. The majority of this impoverishment is attributable to the non-medical costs of care-for transportation, for food and for lodging. Of these, transportation is the largest, but because it is not viewed as an actual medical cost, it is frequently unaddressed. This paper examines the effect on surgical utilisation of ...

2003
PATRICK CATTIAUX

Abstract. We show that the quadratic transportation cost inequality T2 is equivalent to both a Poincaré inequality and a strong form of the Gaussian concentration property. The main ingredient in the proof is a new family of inequalities, called modified quadratic transportation cost inequalities in the spirit of the modified logarithmic-Sobolev inequalities by Bobkov and Ledoux [6], that are s...

Journal: :Oper. Res. Lett. 2014
Karen Aardal Pierre Le Bodic

Given facilities with capacities and clients with penalties and demands, the transportation problem with market choice consists in finding the minimum-cost way to partition the clients into unserved clients, paying the penalties, and into served clients, paying the transportation cost to serve them. We give polynomial-time reductions from this problem and variants to the (un)capacitated facilit...

2006
Sudarshan S. Chawathe

We address the problem of fairly distributing the cost of system-wide improvements to the security of a transportation infrastructure over the beneficiaries. We present a framework that models transportation links and the emergence (magnitude and frequency) and propagation of threats. The cost-distribution is based on a weighted sum that characterizes the expected reduction in the vulnerability...

Journal: :Interfaces 2007
Anthony Pajunas Edward J. Matto Michael A. Trick Luis Fernando Zuluaga

The United States Postal Service (USPS) delivers more than 200 billion items per year. Transporting these items in a timely and cost-efficient way is a key issue if USPS is to meet its service and financial goals. The Highway Corridor Analytic Program (HCAP) is a tool that aids transportation analysts in identifying cost saving opportunities in the USPS surface transportation network. Use of th...

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