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420  Articles
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Computation ranking algorithms are widely used in several informatics fields. One of them is the PageRank algorithm, recognized as the most popular search engine globally. Many researchers have improvised the ranking algorithm in order to get better resul... see more

In this paper, we give a relation between the eigenvalues of the antiadjacency matrix of Cay(Z_n, S) and the eigenvalues of the antiadjacency matrix of Cay(Z_n, (Z_n-{0})-S), as well as the eigenvalues of the adjacency matrix of Cay(Z_n, S). Then, we give... see more

Computation ranking algorithms are widely used in several informatics fields. One of them is the PageRank algorithm, recognized as the most popular search engine globally. Many researchers have improvised the ranking algorithm in order to get better resul... see more

By using the inverse iteration method we improve approximation of the eigenvalues of a kernel connected with a problem considered by A.M. Ostrowski.

Consider M as a 3-homogeneous manifold. In this paper, we are going to study the behavior of the first eigenvalue of p-Laplace operator in a case of Bianchi classes along the normalized Ricci flow also we will give some upper and lower bounds for a such e... see more

In this paper, we prove that all the eigenvalues ?i  of a complex matrix A of order n lie in a disk with center at trA/n and radiusThis radius can be bounded without knowing the eigenvalues of A.

Suppose that Tnc is a set, such that the elements of Tnc are the complements of trees of order n. In 2012, Li and Wang gave the unique graph in the set Tnc \ {K1, n - 1c} with minimum 1st ‘least eigenvalue of the signless Laplacian’ (abbreviated to a LESL... see more

In the present paper, generalized Rayleigh-quotient formulas for the real parts, imaginary parts, and moduli of the eigenvalues of diagonalizable matrices are derived. These formulas are new and correspond to similar formulas for the eigenvalues... see more

This article is the result of a research on the propagation of electromagneticwaves in a plasma found confined in a cylindrical metal structure through an intenseaxial magnetic field. The eigenvalue problem resulting from this study is numericallysolved a... see more

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