The linear system of equations Ax = b where A = [aij ] in Cn .n is a crispsingular matrix and the right-hand side is a fuzzy vector is called a singularfuzzy linear system of equations. ...

The purpose of this letter is to revisit the nonlinear reaction-di usion modelin porous catalysts when reaction term is fractional function of the concen-tration distribution of the reactant. This model, which ...

In this paper we derive convergence theorems for an -nonexpansive mappingof a nonempty closed and convex subset of a complete CAT(0) space for SP-iterative process and Thianwan's iterative process.

It is proved that by using bounds of eigenvalues of an interval matrix, someconditions for checking positive de niteness and stability of interval matricescan be presented. These conditions have been proved ...

An e cient method, based on the Legendre wavelets, is proposed to solve thesecond kind Fredholm and Volterra integral equations of Hammerstein type.The properties of Legendre wavelet family are utilized to ...

In this paper, a new and e cient approach based on operational matrices with respect to the gener-alized Laguerre polynomials for numerical approximation of the linear ordinary di erential equations(ODEs) with ...

Envelopment Analysis (DEA) is a very e ective method to evaluate the relative e ciency of decision-making units (DMUs). DEA models divided all DMUs in two categories: e cient and ine cientDMUs, and don't able ...

In this paper, a fuzzy Hunter-Saxton equation is solved by using the Adomian'sdecomposition method (ADM) and homotopy analysis method (HAM). Theapproximation solution of this equation is calculated in the form ...