Linear functionals and Δ -coherent pairs of the second kind

• Diego Dominici ^[1] ; Francisco Marcellán ^[2]
  1. [1] Johannes Kepler University of Linz

     Johannes Kepler University of Linz

     Linz, Austria

     
  2. [2] Universidad Carlos III de Madrid

     Universidad Carlos III de Madrid

     Madrid, España

     
• Localización: Revista de la Unión Matemática Argentina, ISSN 0041-6932, ISSN-e 1669-9637, Vol. 68, Nº. 2, 2025, págs. 405-422
• Idioma: inglés
• DOI: 10.33044/revuma.4349
• Enlaces
  • Texto completo
• Resumen

  • We classify all the ∆-coherent pairs of measures of the second kind on the real line. We obtain five cases, corresponding to all the families of discrete semiclassical orthogonal polynomials of class s ≤ 1.

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