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A stop over Jain operators and their generalizations

6 years ago

AbstractOn the last five decades the interest of the study of positive approximation processes have emerged with growing evidence. A…

Numerical benchmark study for flow in highly heterogeneous aquifers

6 years ago

AbstractThis article presents numerical investigations on accuracy and convergence properties of several numerical approaches for simulating steady state flows in…

Ergodic simulations of diffusion in random velocity fields

6 years ago

AbstractErgodic simulations aim at estimating ensemble average characteristics of diffusion in random fields from space averages. The traditional approach, based…

Approximation operators constructed by means of Sheffer sequences

6 years ago

Abstract In this paper we introduce a class of positive linear operators by using the “umbral calculus”, and we study…

On an approximation operator and its Lipschitz constant

6 years ago

AbstractIn this note we consider an approximation operator of Kantorovich type in which expression appears a basic sequence for a…

Compound operators constructed with binomial and Sheffer sequences

6 years ago

AbstractIn this note we consider a general compound approximation operator using binomial sequences and we give a representation for its…

On compound operators depending on s parameters

6 years ago

AbstractIn this note we introduce a compound operator depending on s parameters using binomial sequences. We compute the values of…

Sheffer sequences, probability distributions and approximation operators

6 years ago

AbstractWe present a new method to compute formulas for the action on monomials of a generalization of binomial approximation operators…

A stabilized finite element method for inverse problems subject to the convection-diffusion equation. I: diffusion-dominated regime

7 years ago

AbstractThe numerical approximation of an inverse problem subject to the convection–diffusion equation when diffusion dominates is studied. We derive Carleman…

An extension of the second order dynamical system that models Nesterov’s convex gradient method

7 years ago

Abstract In this paper we deal with a general second order continuous dynamical system associated to a convex minimization problem…

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