Showing papers in "Journal of Mathematical Analysis and Applications in 2022"

TL;DR: In this article, the authors extend the refined versions of the Bohr inequality for the class of the quasi-subordinations which contains both the classes of majorization and subordination as special cases.

TL;DR: In this paper , the authors proposed a mathematical model for the transmission dynamics of SARS-CoV-2 in a homogeneously mixing non constant population, and generalize it to a model where the parameters are given by piecewise constant functions.

TL;DR: In this article , a sampling discretization theorem for the square norm of functions from a finite dimensional subspace satisfying Nikol'skii's inequality with an upper bound on the number of sampling points was proved.

TL;DR: This paper derives upper bounds for the $L^2$ minimax risk in nonparametric estimation and derives asymptotic distributions for the constructed network and a relating hypothesis testing procedure that is proven as minimax optimal under suitable network architectures.

TL;DR: In this article , the authors extend the refined versions of the Bohr inequality for the class of the quasi-subordinations which contains both the classes of majorization and subordination as special cases.

TL;DR: In this article, a nonlinear p ( x ) -Kirchhoff type problem with Dirichlet boundary condition was studied, in the case of a reaction term depending also on the gradient (convection).

TL;DR: In this paper, a necessary and sufficient condition for a class of Moran-type self-similar measures with consecutive digits to be spectral is given, which partially answers Lai and Wang's conjecture.

TL;DR: This new approach is based on a suitable extension of the ansatz space to include the information of the differential operator of the wave equation at the initial time t = 0, which allows it to prove unique solvability in a subspace ofH1(Q) with Q being the space–time domain.

TL;DR: In this article, a multivariate determining function and a multi-delayed perturbation of Mittag-Leffler type matrix function are proposed for linear nonhomogeneous Riemann-Liouville fractional multi-delay differential equations of order l − 1 α ≤ l.

TL;DR: In this paper, it is shown that the problem under consideration has at least two nontrivial weak solutions provided the parameter is sufficiently small, and the third set turns out to be the empty set for small values of the parameter.

TL;DR: In this paper , a nonlinear p ( x ) -Kirchhoff type problem with Dirichlet boundary condition was studied, in the case of a reaction term depending also on the gradient (convection).

TL;DR: In this article, it was shown that nonlinear Birkhoff-James orthogonality preservers between Banach spaces are not necessarily scalar multiples of isometric isomorphisms.

TL;DR: In this paper, the authors characterize the measures for which DH μ is a bounded (resp., compact) operator from the Bergman space A p ( 0 p ∞ ) into the space A q ( q ≥ p and q > 1 ), or from A p( 0 p ≤ 1 ) into A 1.

TL;DR: It is shown that the robust optimal solution to the constrained problem and a robust minimizer to the unconstrained problem are equivalent under suitable hypotheses.

TL;DR: In this paper, the homogenization problem for matrix strongly elliptic operators on L 2 (R d ) n of the form A e = − div A ( x, x / e ) ∇ was studied.

TL;DR: In this article , it is shown that the problem under consideration has at least two nontrivial weak solutions provided the parameter is sufficiently small, and the third set turns out to be the empty set for small values of the parameter.

TL;DR: In this article , a multivariate determining function and a multi-delayed perturbation of Mittag-Leffler type matrix function are proposed for linear nonhomogeneous Riemann-Liouville fractional multi-delay differential equations of order l − 1 < α ≤ l .

TL;DR: In this article , the authors compared the impact of a partial national lockdown with social distancing measures under different strategies of reopening schools from March 8, 2019 to April 19, 2019, and compared it to the effect of continual full national lockdown remaining until April 19.

TL;DR: In this article , it was shown that nonlinear Birkhoff-James orthogonality preservers between Banach spaces are not necessarily scalar multiples of isometric isomorphisms.

TL;DR: In this article, the role of predator fear and its carry-over effects in the dynamics of a single-species predator-predator model has been investigated, and the authors have shown that both the fear and carryover effects have a significant role in the stability of the coexistence equilibrium, even for the model with type I functional response.

TL;DR: In this article, the authors proposed a different approach based on convex duality instead of martingale measures duality: the prices are expressed using Fenchel conjugate and bi-conjugate without using any no-arbitrage condition.

TL;DR: In this paper, the authors developed a coupled system of partial differential equations and ordinary differential equations to assess the efficiency of mosquito suppression based on the endosymbiotic bacterium Wolbachia.

TL;DR: In this article , the authors developed a coupled system of partial differential equations and ordinary differential equations to assess the efficiency of mosquito suppression based on the endosymbiotic bacterium Wolbachia.

TL;DR: In this article , a necessary and sufficient condition for a class of Moran-type self-similar measures with consecutive digits to be spectral is given, which partially answers Lai and Wang's conjecture.

TL;DR: In this article , the role of predator fear and its carry-over effects in the dynamics of a single-species predator model was investigated, and it was shown that both the fear and the carryover effects have a significant role in the stability of the coexistence equilibrium, even with type I functional response.

TL;DR: In this paper , the authors derived the plane wave expansion (PWE) and the Extended Plane Wave Expansion (EPWE) formulations in order to obtain the complex dispersion relation of flexural waves in a metamaterial Mindlin-Reissner thick plate with multiple periodic resonators.

TL;DR: In this paper, the authors considered a general class of diffusive Kermack-McKendrick SIR epidemic models with an age-structured protection phase with limited duration, for example due to vaccination or drugs with temporary immunity.

TL;DR: In this article , the relationship between linear and orthogonally additive operators on Banach lattices is studied and a norm on the Riesz space of order bounded operators acting between two regular operators is defined.

TL;DR: In this paper , the authors investigated the compactness property of the linearized Boltzmann operator in the context of a polyatomic gas whose molecules undergo resonant collisions and proposed a geometric variant of Grad's proof of the same compactness properties in the monatomic case.

TL;DR: In this article, the authors derived the plane wave expansion (PWE) and the Extended Plane Wave Expansion (EPWE) formulations in order to obtain the complex dispersion relation of flexural waves in a metamaterial Mindlin-Reissner thick plate with multiple periodic resonators.