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Editorial for the special issue: “Novel Solutions and Novel Approaches in Operational Research”

open access: yesBusiness Systems Research, 2020
This special issue of Business Systems Research (SI of the BSR) is co-published by the Slovenian Society INFORMATIKA – Section for Operational Research (SSI-SOR) and highlights recent advances in Operations Research and Management Science (OR /MS), with ...
Drobne Samo   +2 more
doaj   +1 more source

Approach to solve multi-criteria group decision-making problems by exponential operational law in generalised spherical fuzzy environment

open access: yesCAAI Transactions on Intelligence Technology, 2020
The construction of generalised spherical fuzzy number (GSFN) is a reliable philosophy to design and understanding of vagueness and impreciseness. In this study, at first, the authors have defined the generalised spherical fuzzy set and discussed its ...
Tipu Sultan Haque   +3 more
doaj   +1 more source

Economy of Scale in Russian Retail Electricity Market: On One Natural and One Unnatural Monopoly [PDF]

open access: yesProstranstvennaâ Èkonomika, 2018
The paper presents an econometric analysis of the economy of scale in retail electricity markets in respect to the main service providers in the retail markets, which are territorial distribution grid companies and energy sales companies – guaranteeing ...
Maxim Valerievich Kukoverov
doaj   +1 more source

Modelling Distribution Routes in City Logistics by Applying Operations Research Methods

open access: yesPromet (Zagreb), 2022
The article focuses on the up-to-date subject from the practical as well as scientific point of view. It specifically discusses a proposal of an approach concerning transport or distribution problems in the range of city logistics and investigates ...
Ondrej Stopka
doaj   +1 more source

A comparative study of the capability of alternative mixed integer programming formulations

open access: yesTechnological and Economic Development of Economy, 2018
In selecting the best mixed integer linear programming (MILP) formulation the important issue is to figure out how to evaluate the performance of each candidate formulation in terms of selected criteria.
Baris Kececi   +3 more
doaj   +1 more source

Feasibility test of per-flight contrail avoidance in commercial aviation

open access: yesCommunications Engineering
Contrails, formed by aircraft engines, are a major component of aviation’s impact on anthropogenic climate change. Contrail avoidance is a potential option to mitigate this warming effect, however, uncertainties surrounding operational constraints and ...
Aaron Sonabend-W   +29 more
doaj   +1 more source

Environmental operations strategies: European approaches and research challenges [PDF]

open access: yes, 1998
Since the environment has very recently emerged as a strategic issue, work has only begun to investigate the conceptual linkages between strategic management and the environment.
Rivera Camino, Jaime   +1 more
core   +1 more source

Hierarchical Reinforcement Learning for Crude Oil Supply Chain Scheduling

open access: yesAlgorithms, 2023
Crude oil resource scheduling is one of the critical issues upstream in the crude oil industry chain. It aims to reduce transportation and inventory costs and avoid alerts of inventory limit violations by formulating reasonable crude oil transportation ...
Nan Ma   +6 more
doaj   +1 more source

The use of Grossone in Mathematical Programming and Operations Research

open access: yes, 2012
The concepts of infinity and infinitesimal in mathematics date back to anciens Greek and have always attracted great attention. Very recently, a new methodology has been proposed by Sergeyev for performing calculations with infinite and infinitesimal ...
De Cosmis, Sonia, De Leone, Renato
core   +1 more source

Some Applications of Polynomial Optimization in Operations Research and Real-Time Decision Making [PDF]

open access: yes, 2015
We demonstrate applications of algebraic techniques that optimize and certify polynomial inequalities to problems of interest in the operations research and transportation engineering communities.
Ahmadi, Amir Ali, Majumdar, Anirudha
core   +1 more source

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