Journal of New Researches in Mathematics

ارسال های اخیر

  • Resource Allocation in Data Envelopment Analysis on Fuzzy inputs and outputs 

    Noroozi, Esmat؛ SHarafi, Hamid (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-11-01)
    Abstract: Data envelopment analysis technique is used to evaluate the relative efficiency of a set of decision-making units that have been studied in different fields. One of the important issues in data envelopment analysis ...

  • Designing a mathematical model for determining the optimal location of insurance company branches by using a hybrid Fuzzy Multi-Criteria Decision-Making methods (F-MCDM) 

    SOOFI, MANSOUR؛ Dinara, Fatemeh (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-04-01)
    Selecting location of an insurance branche often has been considered as a main problem of parent company. This research aims to deal with location problem of a new branch of Alborz insurance Co. in Guilan province based ...

  • A multi-objective optimization model for scheduling nurses and routing them in home health care services 

    Yousefzadeh, Hamid Reza؛ Harati Motlagh, somayeh؛ Shamsyeh Zahedi, Moosarreza (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-11-01)
    Recently with the growing population and the consequences of factors such as the increase in the number of elderly and patients with chronic diseases, the demand for receiving Home Health Care (HHC) is increasing. HHC ...

  • Improving the performance of the minimum rotational image difference function method using the CMA-ES algorithm in optimal orientation 

    Lakziyan, seyed vahid؛ Shamsyeh Zahedi, Moosarreza؛ heydari, aghileh؛ Anjidani, Majid (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-09-01)
    Orientation is a vital ability for humans and animals. Noticing the way insects orient in nature can be used to improve the orientation skills of robots. The main question of this research can be stated as follows. What ...

  • Determining the Optimal Ratio of Education Based on Work Mathematics and Understanding Mathematics Using Data Envelopment Analysis 

    Yousefi, Esmaeil؛ Maghasedi, Mohammad؛ rostami malkhalifeh, mohsen؛ Behzadi, Mohammad Hassan (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-09-01)
    In the present article, after examining the concept of learning, we discussed education through work mathematics and understanding mathematics. First, 4 learning stages are introduced in the form of 2 pulses. Next, these ...

  • A multi-objective mathematical model in an educational system with online and face-to-face learning courses during the Coronavirus pandemic 

    Asadi-Lari, Mohammad-Saviz؛ Abbas-Ghorbani, Maryam؛ Tavakkoli-Mogahddam, Reza (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-09-01)
    The correct and optimal planning of the educational system is essential to guarantee the current and future achievements of any country. In recent years, due to the coronavirus pandemic, many organizations and scientific ...

  • Ranking Supply Chain Disruptions Using Mix Method, Fuzzy Dematel & Meta Heuristic Algorithms 

    salahi, fariba؛ radfar, reza؛ toloie eshlaghi, abbas؛ alborzi, mahmood (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-09-01)
    Among the types of supply chain risks disruptions are risks that resulting from natural disasters, sanctions, transportation problems and equipment failure. These risks can seriously disrupt the flow of materials, information ...

  • On Injective Envelopes of G-AF-algebras 

    Mahmoodi, ALi؛ Mardanbeigi, Mohammadreza (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-09-01)
    Let G be a discrete group that acts on C^*-algebra A. We prove that in the category of G-AF-algebras and completely positive linear G-equivariant the finite-dimensional G-AF-algebra must be injective. One consequence of ...

  • Optimizing the Partner Selection Problem and Scheduling the Collaborative Transportation 

    Ghasemy, nazanin؛ Husseinzadeh Kashan, Ali؛ Najafi, Seyed Esmaeel (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-09-01)
    In today's competitive business, companies are continuously looking for new ways to reduce their costs and improve their products' quality. A company needs various resources to stay in the market and it can be challenging ...

  • A novel approach in applying homotopy analysis method 

    Ghanbari, Mojtaba (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-09-01)
    One of the most important methods for solving linear and nonlinear problems is the homotopic analysis method, which was proposed by Liao in 1992. The main purpose of this paper is to present a modification of homotopy ...

  • Numerical Solution of PDE for MHD flow around a sharp geometry at high Mach and altitudes and its effect on drag and lift coefficients 

    Hosseini, S.M.؛ Hatami, Mohammad؛ Vazifehshenas, Aziz (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-09-01)
    In this paper, the effect of magneto-hydrodynamic flow on two aerodynamic geometries (2D & 3D) is investigated. The results (Lift and drag coefficients) for two and three-dimensional geometries, which have been tried to ...

  • Calculating the upper limit of calculation speed and complexity growth rate using the mathematical method of disturbance theory 

    bagheri, hossein؛ Tanhayi, Mohammadreza (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-09-01)
    The speed of calculation and the level of ability to perform calculations for a computing system are two fundamental questions in computer science. Also, the concept of complexity of performing calculations in machine ...

  • Designing a mathematical model for measuring credit risk by credit rating using data coverage analysis model 

    heidarifar, farid؛ hanifi, farhad؛ zomorodian, gholamreza (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-08-01)
    An efficient banking system is the most effective means for economic development, and the most important task of banks is to allocate resources in the form of banking facilities, and the design and establishment of the ...

  • Fibonacci Length of some subgroups of Sn 

    Shafiei kalaleh, Zahra؛ Maghasedi, Mohammad (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-08-01)
    Calculating and deriving the properties of the Fibonacci length of finite groups have been done since 1990, where the Fibonacci length of the finite group is defined to be the least integer such that for the Fibonacci ...

  • Futures studies of Iran's tax system: from the perspective of science and information technology With a group decision-making approach 

    Zamani Eskandari, Einollah؛ Mehrabanpour, Mohammadreza؛ Jahanshad, Azita (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-08-01)
    The purpose of this study is to identify and evaluate strategic and future-making drivers in the field of science and technology of the country's tax system. This research has been done using futures research method with ...

  • Providing a model for evaluate the efficiency of supply chain based on information flow using fuzzy network data envelopment analysis 

    Noohi tehrani, tahmineh؛ shoar, maryam؛ saati mohtadi, saber (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-08-01)
    Rapid development toward globalization, a competitive market, significant technological advances, and high customer expectations have encouraged companies to reduce costs and increase their competitive advantage. One of ...

  • The generalized variational iteration method to solve the fractal partial differential equations 

    Afraz, Homa؛ Khalili Golmankhaneh, Alireza (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-08-01)
    Fractional calculus is a branch of classical mathematics, which deals with the generalization of fractional order derivative and integral operator. Recently, a great deal of research has been carried out on the fractional ...

  • Jensen inequality with Applications in Information Theory 

    barsam, hasan؛ Sayyari, Yamin؛ ramezani, sayyed mehrab (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-08-01)
    One of the best-known inequalities which are used in many inequities is Jensen's inequality. It is a base of some inequality such as the arithmetic mean, harmonic mean inequality also in inequality with respect to entropies ...

  • Coincidence and fixed point theorems of generalized weakly contractive mappings in modular-like spaces 

    Lael, Fatemeh (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-04-01)
    AbstractAlthough fixed point theorems in modular spaces have remarkably applied to a wide variety of mathematical problems, these theorems strongly depend on some assumptions which often do not hold in practice or can lead ...

  • On (Quasi-)morphic Property of Trivial Extensions of Rings 

    dehghani, Najmeh؛ Sedaghatjoo, Mojtaba (Science and Research Branch, Islamic Azad Universityدانشگاه آزاد اسلامی واحد علوم و تحقیقات, 2023-04-01)
    Let R be a ring and M be an R-R bimodule. R is called left quasi-morphic if for every a∈R, there exist elements b,c∈R such that l_R (a)=Rb and l_R (c)=Ra. Besides, R is said to be left morphic whenever in the above definition ...

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