Roberto S. Costas-santos
Roberto S. Costas-santos
Profesor Titular Interino de Universidad, Universidad de Alcalá
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TitelZitiert vonJahr
Second structure relation for q-semiclassical polynomials of the Hahn Tableau
RS Costas-Santos, F Marcellán
Journal of mathematical analysis and applications 329 (1), 206-228, 2007
192007
Factorization of the hypergeometric-type difference equation on non-uniform lattices: dynamical algebra
R Álvarez-Nodarse, NM Atakishiyev, RS Costas-Santos
Journal of Physics A: Mathematical and General 38 (1), 153, 2004
182004
q-Classical Orthogonal Polynomials: A General Difference Calculus Approach
RS Costas-Santos, F Marcellán
Acta applicandae mathematicae 111 (1), 107-128, 2010
152010
Extensions of discrete classical orthogonal polynomials beyond the orthogonality
RS Costas-Santos, JF Sánchez-Lara
Journal of Computational and Applied Mathematics 225 (2), 440-451, 2009
132009
Factorization method for difference equations of hypergeometric type on nonuniform lattices
R Álvarez-Nodarse, RS Costas-Santos
Journal of Physics A: Mathematical and General 34 (27), 5551, 2001
122001
A q-analog of Racah polynomials and q-algebra SUq(2) in quantum optics
R Álvarez-Nodarse, YF Smirnov, RS Costas-Santos
Journal of Russian Laser Research 27 (1), 1-32, 2006
102006
Factorization of the hypergeometric-type difference equation on the uniform lattice
NM ATAKISHIYEV, RS Costas-Santos
Electronic Transactions on Numerical Analysis 27, 34-50, 2007
72007
Generalizations of generating functions for hypergeometric orthogonal polynomials with definite integrals
HS Cohl, C MacKenzie, H Volkmer
Journal of Mathematical Analysis and Applications 407 (2), 211-225, 2013
62013
Limit relations between q-Krall type orthogonal polynomials
R Álvarez-Nodarse, RS Costas-Santos
Journal of mathematical analysis and applications 322 (1), 158-176, 2006
62006
Orthogonality of q-polynomials for non-standard parameters
RS Costas-Santos, JF Sánchez-Lara
Journal of Approximation Theory 163 (9), 1246-1268, 2011
42011
On the elementary symmetric functions of a sum of matrices
RS Costas-Santos
arXiv preprint math/0612464, 2006
32006
On a generalization of the Rogers generating function
HS Cohl, RS Costas-Santos, TV Wakhare
Journal of Mathematical Analysis and Applications 475 (2), 1019-1043, 2019
22019
Generalizations of generating functions for basic hypergeometric orthogonal polynomials
HS Cohl, RS Costas-Santos, PR Hwang, T Wakhare
arXiv preprint arXiv:1411.1371, 2014
22014
The semiclassical Sobolev orthogonal polynomials: A general approach
RS Costas-Santos, JJ Moreno-Balcázar
Journal of Approximation Theory 163 (1), 65-83, 2011
22011
Some generating functions for q-polynomials
H Cohl, R Costas-Santos, T Wakhare
Symmetry 10 (12), 758, 2018
12018
Analytic properties of some basic hypergeometric-Sobolev-type orthogonal polynomials
RS Costas-Santos, A Soria-Lorente
Journal of Difference Equations and Applications 24 (11), 1715-1733, 2018
12018
Spectra of Tridiagonal Matrices over a Field
RS Costas-Santos, CR Johnson
arXiv preprint arXiv:1807.08877, 2018
12018
A Survey on q-Polynomials and their Orthogonality Properties
RS Costas-Santos, JF Sanchez-Lara
arXiv preprint arXiv:1002.4657, 2010
12010
On the determinant of a sum of matrices
RS Costas-Santos
12008
Matrices totally positive relative to a tree
CR Johnson, RS Costas-Santos, B Tadchiev
arXiv preprint arXiv:0710.1366, 2007
12007
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