[HTML][HTML] Electrostatic models for zeros of polynomials: old, new, and some open problems

F Marcellán, A Martínez-Finkelshtein… - Journal of computational …, 2007 - Elsevier
We give a survey concerning both very classical and recent results on the electrostatic
interpretation of the zeros of some well-known families of polynomials, and the interplay …

Modifications of quasi-definite linear functionals via addition of delta and derivatives of delta Dirac functions

J Arvesú, F Marcellán - Indagationes Mathematicae, 2004 - Elsevier
We consider the general theory of the modifications of quasi-definite linear functionals by
adding discrete measures. We analyze the existence of the corresponding orthogonal …

On polynomials associated with an Uvarov modification of a quartic potential Freud-like weight

A Arceo, EJ Huertas, F Marcellán - Applied Mathematics and Computation, 2016 - Elsevier
In this contribution we consider sequences of monic polynomials orthogonal with respect to
the standard Freud-like inner product involving a quartic potential< p, q>=∫ R p (x) q (x) e …

On semi-classical orthogonal polynomials associated with a modified sextic Freud-type weight

AS Kelil, AR Appadu - Mathematics, 2020 - mdpi.com
Polynomials that are orthogonal with respect to a perturbation of the Freud weight function
by some parameter, known to be modified Freudian orthogonal polynomials, are …

On Freud–Sobolev type orthogonal polynomials

LE Garza, EJ Huertas, F Marcellán - Afrika Matematika, 2019 - Springer
In this contribution we deal with sequences of monic polynomials orthogonal with respect to
the Freud Sobolev-type inner product ⟨ p, q\right ⟩ _ 1= ∫ _ R p (x) q (x) e^-x^ 4 dx+ M_ 0 p …

On the discrete extension of Markov's theorem on monotonicity of zeros

K Castillo, FR Rafaeli - Electronic Transactions on Numerical …, 2015 - etna.ricam.oeaw.ac.at
Motivated by an open problem proposed by MEH Ismail in his monograph “Classical and
quantum orthogonal polynomials in one variable”(Cambridge University Press, 2005), we …

Electrostatics and ghost poles in near best fixed pole rational interpolation

J Van Deun - Electronic transactions on numerical …, 2007 - repository.uantwerpen.be
We consider points that are near best for rational interpolation with prescribed poles in the
same sense that Chebyshev points are near best for polynomial interpolation. It is shown …

On certain properties of perturbed Freud-type weight: a revisit

AS Kelil, AR Appadu, S Arjika - … 2020, Jamshedpur, India, November 2–4, 2022 - Springer
In this paper, monic polynomials orthogonal with deformation of the Freud-type weight
function are considered. These polynomials fulfill linear differential equations with some …

Properties of a class of generalized Freud polynomials

AS Kelil - 2018 - search.proquest.com
Semiclassical orthogonal polynomials are polynomials orthogonal with respect to
semiclassical weights. The fascinating link between semiclassical orthogonal polynomials …

An Analysis of the Recurrence Coefficients for Symmetric Sobolev-Type Orthogonal Polynomials

LG Garza, LE Garza, EJ Huertas - Symmetry, 2021 - mdpi.com
In this contribution we obtain some algebraic properties associated with the sequence of
polynomials orthogonal with respect to the Sobolev-type inner product: p, qs=∫ R p (x) q (x) …