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On periodicities in cluster algebras

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

The aim of this paper is to study periodicities in cluster algebras. Firstly, we give a proof of Restriction and Extension Theorem for cluster algebra......

Robust sparse coding for subspace learning

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

Conventional sparse coding fails to learn a robust subspace when the data is corrupted by noises or outliers. To remedy this problem, matrix completio......

Falling fuzzy hyper deductive systems of hyper residuated lattices

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

This paper introduces and applies the notion of fuzzy hyper deductive systems of hyper residuated lattices as a generalization of the notion of fuzzy ......

Study on the optimization selection of cross-border E-commerce logistics distribution path under the O2O mode

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

The rapid development of cross-border e-commerce in online to offline (O2O) mode has brought more opportunities and challenges to the development of l......

Design of university fixed assets file management system and its security mechanism

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

In the 21st century, the rapid development of economy in China promotes the development of higher education. The expansion of university enrollment an......

Ideal theory on bounded semihoops

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

In this paper, we investigate some types of ideals on bounded semihoops. First, we introduce the notion of ideals on bounded semihoops and give some c......

Secure communication applications of the Chinese remainder theorem

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

In this paper, we extend the Chinese remainder theorem in the number theory to several applications: (1) Lagrange interpolation formula is proved to b......

Numerical solution of fractional order differential equation with different methods

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

Various motion phenomena in natural environment and engineering is regular, but it is often impossible to describe them accurately with linear theory,......

Testing the equality of two covariance matrices for non-normal high-dimensional data

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

This paper focuses on testing the equality of two high-dimensional covariance matrices without the normality assumption. Two new test statistics are p......

Schur convexity of the dual form of complete symmetric function involving exponent parameter

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

In this paper, we generalize the dual form of complete symmetric function by introducing an exponent parameter, we also study the Schur-convexity, Sch......

Boundedness in a nonlinear gradient chemotaxis model with logistic source

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

This paper deals with a nonlinear gradient chemotaxis system with logistic source motivated by the model of tumor lymphangiogenesis in a smooth bounde......

More accurate Young, Heinz-Heron mean and Heinz inequalities for scalar and matrix

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

In this paper, we mainly give some refinements of Heinz mean-Heron mean inequality F-alpha(v)(a, b) >= H-v(a, b) where alpha(v) = 1 4(v - v(2)). Mo......

Integral inequalities of Hermite-Hadamard type for extended (s,m)-GA-epsilon-convex functions

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

In the paper, by introducing the concept of (s,m)-GA-epsilon-functions and using Holder's integral inequality, the authors develop several new integra......

Robust non-negative matrix factorization for subspace learning

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

Conventional non-negative matrix factorization methods fail to clusetring due to many noisy data. Therefore, this paper proposes a novel non-negative ......

Integral inequalities of Hermite-Hadamard type for (alpha, s)-convex and (alpha, s,m)-convex functions

期刊: ITALIAN JOURNAL OF PURE AND APPLIED MATHEMATICS, 2020; (44)

In the paper, the authors introduce the concepts "(alpha, s)-convex function" and "(alpha, s,m)-convex function" and establish some new integral inequ......

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