Short Communication Mathematical modelling
Addendum to "A generalized Nash equilibrium for a bio-economic problem of fishing"

Imane Agmour; Naceur Achtaich; Youssef EL Foutayeni; Mohamed Khaladi; Abdelmounaim Zegzouti

Volume 4, Issue 2 , October 2017, Pages 75-76

  In [1] the authors have set up a bio-economic equilibrium model to understand the interactions between three fish populations and seek to maximize the profits of fishermen. The authors then studied the existence of stationary states and their stability using eigenvalue analysis. This is not correct in ...  Read More

Review Paper Supply chain management
A Review on Main Challenges of Disaster Relief Supply Chain to Reduce Casualties in Case of Natural Disasters

Alireza Goli; Mani Bakhshi; Erfan Babaee Tirkolaee

Volume 4, Issue 2 , October 2017, Pages 77-88

  Iran is among the ten disaster-prone countries and, in terms of the earthquake, it has been ranked the sixth in the world. Although the damages caused by the disasters are not irreversible from different aspects, they could be minimized by performing appropriate preventions as well as preparing plans ...  Read More

Research Paper Fuzzy optimization
A new model for solving fuzzy linear fractional programming problem with ranking function

Sapan Kumar Das; Tarni Mandal

Volume 4, Issue 2 , October 2017, Pages 89-96

  In this paper, we studied fuzzy linear fractional programming (FLFP) problems with trapezoidal fuzzy numbers where the objective functions are fuzzy numbers and the constraints are real numbers. In this study, in order to obtain the fuzzy optimal solution with unrestricted variables and parameters, a ...  Read More

Research Paper Fuzzy optimization
A New Fuzzy Hybrid Dynamic Programming for Scheduling Weighted Jobs on Single Machine

Seyedeh Maedeh Mirmohseni; Seyed Hadi Nasseri; Mohammad Hossein Khaviari

Volume 4, Issue 2 , October 2017, Pages 97-115

  In this paper, dynamic programming for sequencing weighted jobs on a single machine to minimizing total tardiness is focused, to significance of fuzzy numbers field, and importance of that for decision makers who are facing on uncertain data, combination of dynamic programming and fuzzy numbers is applied. ...  Read More

Research Paper Decision analysis and methods
A hybrid method of Fuzzy DEMATEL/AHP/VIKOR approach to rank and select the best hospital nurses of a Years: A case study

Seyede Narges Taati; Ayda Esmaili Dooki

Volume 4, Issue 2 , October 2017, Pages 116-132

  Nowadays, hospitals are considered as one of the most important service industries in which nurses play a vital role. Indeed, the patient's safety will be treated and the hospital credibility will be lost, if the hospital nurses do not carry out their tasks properly. In this paper, an integration of ...  Read More

Research Paper Operations Research
A Designed Electro-flotation Cell for Dye Removal from Wastewater

Fouad El-Hosiny; Mohamed Abdeldayem AbdelKhalek; Khaled Selim; Inge Osama

Volume 4, Issue 2 , October 2017, Pages 133-147

  An Electro-flotation cell was designed for industrial wastewater treatment. The affecting parameters of the Electro-flotation process such as, pH, initial dye concentration, temperature, current density, current type, ionic strength, stirring speed and number, connection and inter-distance of electrodes ...  Read More

Research Paper Asset Pricing Models
Testing the Traditional CAPM and MCAPM on Tehran Stock Exchange

Ebrahim Abbasi; Meysam Kaviani; Ebrahim Farbod

Volume 4, Issue 2 , October 2017, Pages 148-157

  The purpose of this paper is to empirically test and evaluate the possibility of using the traditional Capital Asset Pricing Model (CAPM) and the Modified Capital Asset Pricing Model (MCAPM) in the Tehran Stock Exchange. Traditional CAPM by Sharpe-Linter (1965) as one of the ways in which investors can ...  Read More