• Some new Ramsey families on natural numbers 

  Hosseini, hedie؛ Akbari Tootkaboni, Mohammad (Semnan University, 2023-01-01)

  In this paper, we present some new Ramsey families by using the van der Waerden theorem and affine topological correspondence principle.

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• Existence result for double phase problem involving the $(p(x),q(x))$-Laplacian-like operators 

  Soukaina, Yacini؛ El Ouaarabi, Mohamed؛ Chakir, Allalou؛ Khalid, Hilal (Semnan University, 2023-01-01)

  The paper study the existence of at least one weak solutions for Dirichlet boundary value problem involving the $\big(p(x),q(x)\big)$-Laplacian-like operators of the following form:\begin{equation*}\displaystyle\left\{\b ...

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• Global behavior of positive solutions of a third order difference equations system 

  Mai, Phong (Semnan University, 2023-01-01)

  In this paper, we investigate the global behavior of positive solutions of the system of difference equations \begin{equation*} x_{n+1}=\alpha+ \dfrac{y^p_{n}}{y^p_{n-2}},\y_{n+1}=\alpha+ \dfrac{x^q_{n} }{x^q_{n-2}},\ n=0, ...

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• Identifications of developmental dysgraphia on the basis of dynamic handwriting features 

  Amini, Mohammad؛ Tavakoli Targhi, Alireza؛ Hosseinzadeh, Mehdi؛ Farivar, Faezeh؛ Bidaki, Reza (Semnan University, 2023-01-01)

  Developmental disorders are regularly observed in developmental writing skills (developmental dysgraphia) with considerable concerns. Physicians do their diagnosis on the basis of the juvenile's written products as well ...

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• Developed PC-GFDM based on interleaver 

  H. Ali, Ameer؛ S. Hreshee, Saad (Semnan University, 2023-01-01)

  The significant development in devices based on communication technologies requires the provision of advanced generations of communications to provide these requirements. The current hot topics are moving towards providing ...

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• Designing and explaining the model of postponing the limit of incompetence in human capital (case study of Postbank of Iran) 

  Nekoui Shirazi, Ali؛ Rashidi, Ehtesham؛ Hematian, Hadi (Semnan University, 2023-01-01)

  The current research was conducted with the aim of designing a model to obtain a tool for measuring adequacy limits with a heuristic mixture. This, is due to the selection of exploratory mixes of qualitative data, in ...

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• Coefficient estimates and Fekete-Szegő inequalities for a new subclass of m-fold symmetric bi-univalent functions satisfying subordinate conditions 

  Gavriş, Eszter؛ Altınkaya, Şahsene (Semnan University, 2023-01-01)

  In this paper, we introduce a new subclass of the class of \textit{m}-fold symmetric bi-univalent functions and obtain estimates of the Taylor-Maclaurin coefficients  $|a_{m+1}|,|a_{2m+1}|$ and Fekete-Szeg\H{o} functional ...

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• The first and second K-Banhatti indices of some graph operations 

  K. J., Gowtham (Semnan University, 2023-01-01)

  Graph operations are an essential tool in graph theory, as we can develop large graphs from small graphs. The aim of this paper is to compute the values of K-Banhatti indices for some graph operations, more precisely join ...

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• Measurement of the effects of composite indices on Iran's economic growth with an Islamic approach in 1996-2019 

  Rajabi, Mehdi؛ Rajaei Pour, Mostafa؛ Kazemi Golvardi, Mohammad Reza؛ Fahimi Doab, Reza (Semnan University, 2023-01-01)

  Economic growth and development are macroeconomic objectives for increasing welfare and economic-social justice. Several factors affect economic growth but their effects can be better examined using composite indices which ...

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• Hidden Markov model and Persian speech recognition 

  Shafieian, Masoume (Semnan University, 2023-01-01)

  Nowadays, speech recognition, which simply refers to the process of converting an audio signal into its equivalent text, has become one of the most important research topics. Although many studies have been conducted in ...

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• Existence of three solutions for a boundary value problem with impulsive effects 

  Bagheri, Mahnaz (Semnan University, 2023-01-01)

  In this paper, we are concerned with the existence of multiplicity solutions for a Dirichlet impulsive differential equation. The approach is based on variational methods.

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• Effect of nanoparticle loading on the polymer surface (Polyether-block-amide) in CO2/CH4 selectivity 

  Faghih, Seyed Mohammad؛ Salimi, Mahmoud؛ Mazaheri, Hossein (Semnan University, 2023-01-01)

  In this research, we want to separate carbon dioxide gas from methane gas. Polymer (poly-ether-block-amide) has properties that absorb carbon dioxide well. Zeolite 4 A nanoparticles have fine pores and are proportional to ...

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• Construction confidence interval for a linear combination of parameters of the two-parameter exponential distribution under type II progressive censoring 

  Malekzadeh, Ahad (Semnan University, 2023-01-01)

  In this paper, to establish general and shortest confidence interval, for a linear combination of parameters of the two-parameter exponential distribution, we introduce a pivotal quantity. In the case of two populations, ...

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• Quantum algorithms for solving data envelopment analysis models 

  Malekmohammadi, Najmeh؛ Ebrahimnejad, Ali؛ Sayedsalehi, Samira (Semnan University, 2023-01-01)

  In traditional optimization models, classical computers have been used to solve mathematical linear or non-linear models. In addition, by data envelopment analysis (DEA) models one can evaluate the relative efficiency of ...

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• Synchronization between two coupled fractional order neuron models using the optimized fuzzy logic controller in the presence of external disturbances 

  Soleimanizadeh, Ali؛ Nekoui, Mohammad Ali؛ Aliyari Shoorehdeli, Mahdi (Semnan University, 2023-01-01)

  Appropriate modeling of the coupled neurons helps us understand neurons' natural functions. In this paper fuzzy logic controller has been designed to synchronize two coupled neuron models. The fractional-order neurons are ...

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• Hyers--Ulam--Rassias stability of Jensen's functional equation on fuzzy normed linear spaces 

  Saheli, Morteza؛ Saedi Goraghani, Hadi (Semnan University, 2023-01-01)

  In this paper, the Hyers--Ulam--Rassias stability of Jensen's functional equation is discussed in detail on fuzzy normed linear spaces. It is shown through the analysis that every fuzzy approximate Jensen-type mapping can ...

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• A novel algorithm to solve fixed points of various functions by the Bisection-Moth-Flame optimization algorithm 

  Zekavatmand, Sayyed masood؛ Vahidi, Javad (Semnan University, 2023-01-01)

  The essential purpose of this paper is to obtain the fixed point of different functions by using a modern repetitive method. We incorporate concepts suggested in the Bisection method and the Moth-Flame Optimization ...

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• Compilation and explanation of the leadership brand model in the agricultural industry, the citrus product of the south of the country 

  Ameri Siyahooei, Mahmood؛ Larisemnani, Behrouz؛ Mahmoudi Maymand, Mohammad؛ Parhizgar, Mohammad Mahdi (Semnan University, 2023-01-01)

  The purpose of the current research was to develop an organizational leadership brand model and to investigate and rank the factors affecting the leadership brand in agricultural products (Case Study: Citrus of Hormozgan ...

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• Tracking the maximum power point of a combined wind and solar power plant with the help of a colonial competition algorithm 

  Ahmadnia, Mohsen؛ Hajipour, Ahmad؛ Gholamzadeh, Ali (Semnan University, 2023-01-01)

  Due to the pollution of energy related to fossil fuels and the cost of production and consumption, today most developed countries are moving towards the use of renewable energy such as wind and solar energy through wind ...

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• A nilpotency criterion for finite groups by the sum of element orders 

  Jahani, Maghsoud؛ Marefat, Yadollah؛ Refaghat, Hassan؛ Vakili Fasaghandisi, Bahram (Semnan University, 2023-01-01)

  Let $G$ be a finite group and $\psi(G)=\sum_{g\in G}o(g)$, where $o(g)$ denotes the order of $g\in G$. We give a criterion for nilpotency of finite groups $G$ based on the sum of element orders of $G$. We prove that if ...

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