مرور Volume 13, Issue 1 بر اساس عنوان
در حال نمایش موارد 185  204 از 324

nJordan *Derivations in Frechet locally C*algebras
(Semnan University, 20220101)Using the fixed point method, we prove the HyersUlam stability and the superstability of $n$Jordan $*$derivations in Fr'echet locally $C^*$algebras for the following generalized Jensentype functional equation$$ ...

Near fixed point, near fixed interval circle and their equivalence classes in a $b$interval metric space
(Semnan University, 20220101)We introduce a novel distance structure called a b−interval metric space to generalize and extend metric interval space. Also, we demonstrate that the collection of open balls, which forms a basis of a b−interval metric ...

Nearly locally hollow modules
(Semnan University, 20220101)Let $R$ be a commutative ring with identity and let $M$ be an Rmodule. This study presents the nearly locally hollow module that's a strong form of a hollow module. We present that an $R$module $M$ is nearly locally ...

A new [0, 1] truncated inverse Weibull rayleigh distribution properties with application to COVID19
(Semnan University, 20220101)In this paper, we introduce a new 2 parameters family of distributions named [0,1] Truncated Inverse Weibull  $G$ family ([0,1] TIWG) family, to generate new types of continues distributions. A special model namely, ...

A new bond portfolio optimization model as twostage stochastic programming problems in U.S. market
(Semnan University, 20220101)We formulate a new bond portfolio optimization model as a twostage stochastic programming problem in which a decision maker can optimize the cost of bond portfolio selection while deciding which bonds to sell, which bonds ...

New bound for edge spectral radius and edge energy of graphs
(Semnan University, 20220101)Let $ X(V,E) $ be a simple graph with $ n $ vertices and $ m $ edges without isolated vertices. Denote by $ B = (b_{ij})_{mtimes m} $ the edge adjacency matrix of $ X $. Eigenvalues of the matrix $ B $, $mu_1, mu_2, cdots, ...

New fixed point theorems in midconvex subgroups of abelian Banach groups
(Semnan University, 20220101)In this paper, using continuous, injective, and sequentially convergent mappings on a group, new generalizations of Kannan and Chatterjea's fixed points in Banach groups are presented. we generalize contractions with ...

A new Jackknifing ridge estimator for logistic regression model
(Semnan University, 20220101)In reducing the effects of collinearity, the ridge estimator (RE) has been consistently demonstrated to be an attractive shrinkage method. In application, when the response variable is binary data, the logistic regression ...

A new subclass of analytic functions involving Pascal distribution series
(Semnan University, 20220101)In this work, we introduce and investigate a new class $ k \widetilde{ U}ST_s (q , m , \gamma, \varsigma )$ of analytic functions in the open unit disc $U$ with negative coefficients. The aim of this study is to determine ...

New theoretical conditions for solving functional nonlinear equations by linearization then discretization
(Semnan University, 20220101)In this paper, we propose to solve nonlinear functional equations given in an infinitedimensional Banach space by linearizing first and then discretizing the linear iterative equations. We establish new sufficient conditions ...

Nonlinear contractions via auxiliary functions and fixed point results with some consequences
(Semnan University, 20220101)In this manuscript, we bring into play the essence of a new class of auxiliary functions, $C$class functions, and exhibited some fixed point results. Notably, in this draft, we come up with the idea of modified ...

Novel face detection algorithm with a mask on neural network training
(Semnan University, 20220101)Discovering objects and knowing their number has been discussed in many works. Face detection technology is important for the visual scene, Deep learning theory using computer technology to discover the face, which is a ...

A novel scheme for solving multidelay fractional optimal control problems
(Semnan University, 20220101)In this paper, we consider the problems of suboptimal control for a class of fractionalorder optimal control problems with multidelay argument. The fractional derivative in these problems is in the Caputo sense. To solve ...

Novel solitons through optical fibers for perturbed cubicquinticseptic nonlinear Schr\"{o}dingertype equation
(Semnan University, 20220101)The current analysis employs the Riccati and modified simple equation methods to retrieve new optical solitons for highly dispersive nonlinear Schrodingertype equation (NLSE). With cubicquinticseptic law (also known as ...

Novel solitons through optical fibres for perturbed cubicquinticseptic nonlinear Schr"{o}dingertype equation
(Semnan University, 20220101)The current analysis employs the Riccati and modified simple equation methods to retrieve new optical solitons for highly dispersive nonlinear Schr"{o}dingertype equation (NLSE). With cubicquinticseptic law (also known ...

Numerical analysis of the wall impact in the peristaltic pumping of a casson liquid in an inclined canal
(Semnan University, 20220101)Flow is considered in the moving frame of reference with constant velocity along the wave. The developed mathematical model is presented by a set of partial differential equations. A numerical algorithm based on finite ...

Numerical and experimental performance evaluation of upgraded knee braces under cyclic load
(Semnan University, 20220101)In this paper, the seismic performance of the structure is analyzed by introducing a new angular knee element. Cyclic loads are applied to determine the seismic performance. The result is compared with a vertical knee ...

Numerical investigation for solving nonlinear partial differential equation using SumuduElzaki transform decomposition method
(Semnan University, 20220101)In this study, we used a powerful method, named as SumuduElzaki transform method (SETM) together with Adomian polynomials (APs), which can be used to solve nonlinear partial differential equations. We will give the ...

A numerical scheme for solving nonlinear parabolic partial differential equations with piecewise constant arguments
(Semnan University, 20220101)This article deals with the nonlinear parabolic equation with piecewise continuous arguments (EPCA). This study, therefore, with the aid of the $theta$ methods, aims at presenting a numerical solution scheme ...

A numerical scheme for solving variable order CaputoPrabhakar fractional integrodifferential equation
(Semnan University, 20220101)In this paper we apply the Chebyshev polynomials method for the numerical solution of a class of variableorder fractional integrodifferential equations with initial conditions. Moreover, a class of variableorder fractional ...