Kenier Castillo

16 papers Journal 16
YearRankTypeTitle / Venue / Authors
2024 J jnl
On Chebyshev polynomials and the inertia of certain tridiagonal matrices.
Appl. Math. Comput.
Kenier Castillo, Carlos M. da Fonseca, J. Petronilho
2023 J jnl
Remark on the eigenvalues of a tridiagonal matrix in biogeography.
Appl. Math. Comput.
Kenier Castillo
2022 J jnl
On variation of eigenvalues of birth and death matrices and random walk matrices.
Adv. Appl. Math.
Kenier Castillo, I. Zaballa
2018 J jnl
On Markov's theorem on zeros of orthogonal polynomials revisited.
Appl. Math. Comput.
Kenier Castillo, M. S. Costa, Fernando R. Rafaeli
2017 J jnl
On perturbed orthogonal polynomials on the real line and the unit circle via Szegő's transformation.
Appl. Math. Comput.
Kenier Castillo, Francisco Marcellán, Jorge Rivero
2016 J jnl
Zeros of para-orthogonal polynomials and linear spectral transformations on the unit circle.
Numer. Algorithms
Kenier Castillo, Francisco Marcellán, Maria das Neves Rebocho
2015 J jnl
Monotonicity of zeros for a class of polynomials including hypergeometric polynomials.
Appl. Math. Comput.
Kenier Castillo
2014 J jnl
A Favard type theorem for orthogonal polynomials on the unit circle from a three term recurrence formula.
J. Approx. Theory
Kenier Castillo, Marisa de Souza Costa, A. Sri Ranga, Daniel O. Veronese
2013 J jnl
Generators of rational spectral transformations for nontrivial C-functions.
Math. Comput.
Kenier Castillo, Francisco Marcellán
2013 J jnl
On computational aspects of discrete Sobolev inner products on the unit circle.
Appl. Math. Comput.
Kenier Castillo, Lino G. Garza, Francisco Marcellán
2013 J jnl
Perturbations on the antidiagonals of Hankel matrices.
Appl. Math. Comput.
Kenier Castillo, Dimitar K. Dimitrov, Luis E. Garza, Fernando R. Rafaeli
2012 J jnl
A new approach to relative asymptotic behavior for discrete Sobolev-type orthogonal polynomials on the unit circle.
Appl. Math. Lett.
Kenier Castillo
2012 J jnl
On a moment problem associated with Chebyshev polynomials.
Appl. Math. Comput.
Kenier Castillo, Regina Litz Lamblém, A. Sri Ranga
2012 J jnl
Szegő and para-orthogonal polynomials on the real line: Zeros and canonical spectral transformations.
Math. Comput.
Kenier Castillo, Regina Litz Lamblém, Fernando R. Rafaeli, A. Sri Ranga
2012 J jnl
Zeros of Sobolev orthogonal polynomials on the unit circle.
Numer. Algorithms
Kenier Castillo, Luis E. Garza, Francisco Marcellán
2011 J jnl
A new linear spectral transformation associated with derivatives of Dirac linear functionals.
J. Approx. Theory
Kenier Castillo, Luis E. Garza, Francisco Marcellán