[-2006] [-2011] [-2013]
  • q-Polynomials for non-standard parameters. Orthogonality and new identities[PDF]
    14th OPSFA Kent. Canterbury, Kent, UK. July 7, 2017
  • q-Polynomials. Orthogonality in the complex plane [PDF]
    Mathematics Department. Universidad de Granada. February 17, 2017
  • The orthogonality relations of the Al-Salam-Carlitz polynomials for general parameters [PDF]
    Mathematics Department. Universidad de Almeria. February 9, 2017
  • MATRICES TOTALLY POSITIVE RELATIVE TO A TREE [PDF]
    Mathematics Department. UC3M. Leganés. October 20, 2016
  • The orthogonality relations of the Al-Salam-Carlitz polynomials for general parameters [PDF]
    Mathematics Department. UC3M. Leganés. October 20, 2016
  • TALK: q-polynomials. Orthogonality in the complex plane and more [PDF]
    The Real World is Complex - Congress in honor of Christian Berg. Copenhagen, August 26-29, 2015
  • TALK: Conociendo mejor a los q-polinomios [PDF]
    V encuentro iberoamericano de polinomios ortogonales y sus aplicaciones. Mexico, June 8-12, 2015
  • TALK: Generalizations of Generating Functions for Meixner and Krawtchouk Polynomials
    13th OPSFA NIST. Gaithersburg, MD, USA. June 5, 2015
  • Discovering Discrete Classical Polynomials: First Steps [PDF]
    NIST. Gaithersburg, MD, USA. May 19, 2015
  • TALK: Extensions of discrete orthogonal polynomials beyond the orthogonality [PDF]
    International Conference on Orthogonal Polynomials and q-Series. University of Central Florida. May 10 - 12, 2015
  • Classical orthogonal polynomials beyond the classical parameters [PDF] [Annex]
    Department of Mathematics. Universidad Carlos III de Madrid (UC3M). March 5, 2015
  • An overview of Classical Orthogonal Polynomials [PDF]
    NIST. Gaithersburg, MD, USA. March 25, 2014
  • TALK: A connection between the legendre polynomials and the Riemann Zeta function. II [PDF]
    RSME-Congreso de Jovenes Investigadores 2013. Seville. September 16-20, 2013
  • TALK: A connection between the legendre polynomials and the Riemann Zeta function. I [PDF]
    WoSFA 2013. Copenhagen, DENMARK. August 28-31, 2013
  • TALK: Multiple Meixner polynomials of second type with non-classical parameters. A first study [PDF]
    12th OPSFA. Sousse, Tunisia. March 24-29, 2013
  • PLENARY TALK: The connection between the Riemann Zeta function and the Legendre polynomials
    International Conference on Mathematical Sciences 2012. Nagpur, India. December 28-31, 2012
  • Los polinomios ortogonales clasicos y de Sobolev: viejos y nuevos resultados [PDF]
    Departament of Physics and Mathematics. Universidad de Alcala. February 28, 2012
  • TALK: Old and new results on Sobolev and semi-classical orthogonal polynomials [PDF]
    11th OPSFA. Leganés. August 31, 2011
  • Orthogonality of $q$-polynomials for nonstandard parameters [PDF]
    Mathematics Department. Leganés. March 17, 2011
  • TALK: On a degenerate version of the Favard's theorem.
    International conference on CMMSE 2010. Almeria. June 26-30, 2010
  • Recent results on classical orthogonal polynomials.
    Mathematics Department. UC3M. Leganés. June 10, 2010
  • TALK: Extensions of discrete classical orthogonal polynomials beyond the orthogonality [PDF]
    Mathematics Department. Caltech. Pasadena. November 15, 2008.
  • TALK: On the determinant of a sum of matrices [PDF]
    RCTM'08 Conference in honor of Robert C. Thompson. UCSB. Santa Barbara, CA. October 18, 2008
  • TALK:  The semiclassical-Sobolev polynomials. A general approach [PDF]
    IWOPA'08 Conference in honor of Guillermo Lopez. UC3M. Leganés. September 9, 2008
  • A new natural extension on classical polynomials.
    Mathematics Department. WM. October 30, 2007.
  • Classical orthogonal polynomials. A general difference calculus approach.
    Mathematics Department. College of William and Mary (WM). September 21, 2007.
  • TALK: Algunas propiedades algebraicas de la función Zeta de Riemann
    Departamento de Matematicas y computacion. Univ. de la Rioja. May 21, 2007
  • Characterization theorems and Rodrigues operator. A general approach
    Univ. Almeria. 16 November, 2006.
    [PDF] | Paper related [PDF]
  • Segunda relacion de estructura para q-polinomios clasicos y semiclasicos.
    Department of Mathematics. UC3M. October 26, 2006.
  • TALK: Classical orthogonal polynomials. A general difference calculus approach.
    Leganés, Spain. August 31, 2006.
    [PDF]
  • TALK: Limit relations between q-Krall type orthogonal polynomials.
    Coimbra, Portugal. July 1, 2006.
  • TALK: Limit relations between q-Krall type orthogonal polynomials.
    Homburg, Germany. March 2006.
  • Sobre algunas propiedades de la funcion Zeta de Riemann.
    Department of Mathematics. UC3M. March 2006.
    | DEA UC3M (in Spanish) [PDF] | [PDF]
  • TALK: Factorization of the hypergeometric-type difference equation on the uniform lattice.
    Munich, Germany. July, 2005
    [PDF]
  • La funcion Zeta de Riemann y sus q-extensiones. Aplicaciones.
    Department of Mathematics. UC3M. November 30, 2005 (in Spanish)
    [PDF]
  • El operador de Rodrigues y los polinomios multi-ortogonales de tipo II.
    Department of Mathematics. UC3M. March 8, 2005.
  • Curso basico de PROSPER (1ra sesion).
    Department of Mathematics. UC3M. April 27, 2004.
  • El metodo de factorizacion para ecuaciones en diferencias de tipo hipergeometrico.
    Department of Mathematics. UC3M. April 19, 2004
    (in Spanish) [PDF]
  • El metodo de factorizacion de ecuaciones en diferencias de tipo hipergeometrico sobre redes no lineales.
    Department of Mathematics. UC3M. March 31, 2004.
  • TALK: Number Theory, q-calculus. The Zeta and q-Zeta functions.
    University of Coimbra. March, 2003
    [PDF]
  • Metodo de Factorizacion de ecuaciones en diferencias de tipo hipergeometrico en redes no uniformes.
    Department of Mathematics. Universidad Carlos III de Madrid (UC3M). May 24, 2003 (in Spanish)
    [PDF]