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Journal of Mathematical Sciences

Subject Areas: Applied Mathematics; ;
Publisher: Springer International Publishing - Springer Journals
ISSN: 1072-3374
SJR: 40

LitStream

Journal Article

GAUSSIAN-RBF INTERPOLANT AND THIRD-ORDER COMPACT DISCRETIZATION OF 2D ANOMALOUS DIFFUSION-CONVECTION MODEL ON A MESH-MAPPED NON-UNIFORM GRID NETWORK

Jha, Navnit; Verma, Shikha

2024 Journal of Mathematical Sciences

doi:10.1007/s10958-024-07014-2

We describe a compact finite-difference discretization and Gaussian-radial basis function for the two-dimensional local fractional elliptic PDEs that describe anomalous diffusion-convection of groundwater contamination. Precisely estimating pollutant concentration over a long period helps protect...
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Journal Article

BOUNDEDNESS OF DUNKL-HAUSDORFF OPERATOR FOR RADIALLY DECREASING FUNCTIONS AND MONOTONE WEIGHTS ON Rn\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathbb {R}^{n}$$\end{document}

Jain, Sandhya; Singh, Arun Pal; Madan, Megha; Jain, Pankaj

2024 Journal of Mathematical Sciences

doi:10.1007/s10958-024-06994-5

We characterize the Lvp(Rn)\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$${L^{p}_{v}}(\mathbb...
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Journal Article

Quasilinear Interpolation by Minimal Splines

Livshits, L. P.; Makarov, A. A.; Makarova, S. V.

2024 Journal of Mathematical Sciences

doi:10.1007/s10958-024-07101-4

The paper studies quasilinear interpolation by minimal splines constructed on nonuniform grids with multiple nodes. Asymptotic representations for normalized splines are obtained. The sharpness of biorthogonal approximation and the order of accuracy of quasilinear interpolation with respect to...
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Journal Article

SDD1 Matrices and Their Generalizations

Kolotilina, L. Yu.

2024 Journal of Mathematical Sciences

doi:10.1007/s10958-024-07100-5

The paper considers the classes of GSDD1,...
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Journal Article

Ergodicity Index of a Set of Stochastic Matrices

Al’pin, Yu. A.; Al’pina, V. S.

2024 Journal of Mathematical Sciences

doi:10.1007/s10958-024-07095-z

The paper introduces and explores the notions of ergodicity index and ergodicity exponent of a set of stochastic matrices. For the ergodicity exponent a sharp upper bound is obtained. A particular case of this bound is the well-known Paz bound. Also a connection between the ergodicity index and...
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Journal Article

Upper Bounds for the Spectral Radius of a PF Matrix

Kolotilina, L. Yu.

2024 Journal of Mathematical Sciences

doi:10.1007/s10958-024-07098-w

The paper suggests and illustrates a simple unified approach to deriving upper bounds for the dominant eigenvalues of the so-called PF matrices (or matrices with the Perron–Frobenius property) from those for the Perron root of a nonnegative matrix.
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Journal Article

Commutative Matrix Subalgebras Generated by Nonderogatory Matrices

Markova, O. V.

2024 Journal of Mathematical Sciences

doi:10.1007/s10958-024-07102-3

The paper is devoted to the problem of determining the number of subalgebras in the matrix algebra that are generated by nonderogatory matrices and are distinct up to similarity. A similarity criterion in terms of isomorphism of quotient algebras of the algebra of polynomials for matrix algebras...
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Journal Article

LÉVY AND WIENER TYPE THEOREMS FOR VILENKIN-FOURIER SERIES

Volosivets, Sergey

2024 Journal of Mathematical Sciences

doi:10.1007/s10958-024-07013-3

We give analogues of Lévy and Wiener theorems for some Banach algebras or p-normed algebras that are subalgebras of algebra of absolutely convergent Vilenkin series.
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Journal Article

UNIFORM CONVERGENCE OF A NONPARAMETRIC ESTIMATE OF POISSON REGRESSION WITH AN APPLICATION TO GOODNESS-OF-FIT

Babilua, P.; Nadaraya, E.

2024 Journal of Mathematical Sciences

doi:10.1007/s10958-024-07035-x

Kernel-type nonparametric estimates of Poisson regression function are considered. We establish the conditions of uniform consistency and the limit theorems for continuous functionals connected with this function on...
LitStream

Journal Article

ONE-SIDED POTENTIALS IN WEIGHTED CENTRAL MORREY SPACES

Imerlishvili, Giorgi; Meskhi, Alexander; Alessandra Ragusa, Maria

2024 Journal of Mathematical Sciences

doi:10.1007/s10958-024-06997-2

The boundedness of one-sided potentials defined, generally speaking, with respect to a Borel measure...

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