Kenier Castillo

According to our database, Kenier Castillo authored at least 16 papers between 2011 and 2024.

Collaborative distances:

• Dijkstra number of six.
• Erdős number of four.

2024

On Chebyshev polynomials and the inertia of certain tridiagonal matrices.

Kenier Castillo, Carlos M. da Fonseca, J. Petronilho

Appl. Math. Comput., April, 2024

2023

Remark on the eigenvalues of a tridiagonal matrix in biogeography.

Kenier Castillo

Appl. Math. Comput., 2023

2022

On variation of eigenvalues of birth and death matrices and random walk matrices.

Kenier Castillo, I. Zaballa

Adv. Appl. Math., 2022

2018

On Markov's theorem on zeros of orthogonal polynomials revisited.

Kenier Castillo, M. S. Costa, Fernando R. Rafaeli

Appl. Math. Comput., 2018

2017

On perturbed orthogonal polynomials on the real line and the unit circle via Szegő's transformation.

Kenier Castillo, Francisco Marcellán, Jorge Rivero

Appl. Math. Comput., 2017

2016

Zeros of para-orthogonal polynomials and linear spectral transformations on the unit circle.

Kenier Castillo, Francisco Marcellán, Maria das Neves Rebocho

Numer. Algorithms, 2016

2015

Monotonicity of zeros for a class of polynomials including hypergeometric polynomials.

Kenier Castillo

Appl. Math. Comput., 2015

2014

A Favard type theorem for orthogonal polynomials on the unit circle from a three term recurrence formula.

Kenier Castillo, Marisa de Souza Costa, A. Sri Ranga, Daniel O. Veronese

J. Approx. Theory, 2014

2013

Generators of rational spectral transformations for nontrivial C-functions.

Kenier Castillo, Francisco Marcellán

Math. Comput., 2013

On computational aspects of discrete Sobolev inner products on the unit circle.

Kenier Castillo, Lino G. Garza, Francisco Marcellán

Appl. Math. Comput., 2013

Perturbations on the antidiagonals of Hankel matrices.

Kenier Castillo, Dimitar K. Dimitrov, Luis E. Garza, Fernando R. Rafaeli

Appl. Math. Comput., 2013

2012

Zeros of Sobolev orthogonal polynomials on the unit circle.

Kenier Castillo, Luis E. Garza, Francisco Marcellán

Numer. Algorithms, 2012

Szegő and para-orthogonal polynomials on the real line: Zeros and canonical spectral transformations.

Kenier Castillo, Regina Litz Lamblém, Fernando R. Rafaeli, A. Sri Ranga

Math. Comput., 2012

A new approach to relative asymptotic behavior for discrete Sobolev-type orthogonal polynomials on the unit circle.

Kenier Castillo

Appl. Math. Lett., 2012

On a moment problem associated with Chebyshev polynomials.

Kenier Castillo, Regina Litz Lamblém, A. Sri Ranga

Appl. Math. Comput., 2012

2011

A new linear spectral transformation associated with derivatives of Dirac linear functionals.

Kenier Castillo, Luis E. Garza, Francisco Marcellán

J. Approx. Theory, 2011