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Symmetric periodic orbits in proto-stellar system

1 year ago

Abstract We approach the dynamics in proto-stellar systems via the two-body problem associated to an anisotropic Schwarzschild-type potential. On the…

Bilateral inequalities for harmonic, geometric and Hölder means

1 year ago

Abstract For \(0<a<b\), the harmonic, geometric and Holder means satisfy \newline\( H<G<Q\). They are special cases \((p=-1,0,2)\) of power means…

Corrected Newtonian potentials in the two-body problem with applications

1 year ago

Abstract The paper deals with an analytical study of various corrected Newtonian potentials. We offer a complete description of the…

Comment on “Modeling groundwater flow with random hydraulic conductivity using radial basis function partition of unity method” by Shile et al. (2024)

1 year ago

Abstract The goal of this article is to explain some striking discrepancies between the Monte Carlo inferences for flow in…

Controlling numerical diffusion in solving advection-dominated transport problems

1 year ago

Abstract Numerical schemes for advection-dominated transport problems are are evaluated in a comparative study. Explicit and implicit finite difference methods…

Localization of energies in Navier–Stokes models with reaction terms

1 year ago

Abstract We analyze a general class of coupled systems of stationary Navier-Stokes type equations with variable coefficients and non-homogeneous terms…

Vector fixed point approach to control of Kolmogorov differential systems

2 years ago

Abstract The paper presents a vector approach to control problems for systems of equations. The method is described in the…

Optimal approximation of unique continuation

2 years ago

Abstract We consider numerical approximations of ill-posed elliptic problems with conditional stability. The notion of optimal error estimates is defined including…

Estimates related to the iterates of positive linear operators and their multidimensional analogues

2 years ago

Abstract The starting point of this paper is the construction of a general family \(\left( L_{n}\right) _{n\geq 1}\) of positive…

Properties of positive linear operators connected with squared fundamental functions

2 years ago

Abstract The aim of this article is to present a general class of positive linear operators of discrete type related…

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