Orador: Maria das Neves Rebocho (Departamento de Matemática, UBI). Data, hora e local: 19 de Junho de 2014, início às 15h na sala de reuniões do Departamento de Matemática.
Resumo: A sequence of orthogonal polynomials on the real line (OPRL), say , is said to be Laguerre-Hahn if the corresponding Stieltjes function,
, satisfies a Riccati type differential equation with polynomial coeficients
As particular cases, some well-known families of orthogonal polynomials are obtained: the semi-classical OPRL, when
In this talk we focus on the following problem: given a time dependence
Seminário realizado com o apoio do Centro de Matemática – 212 (Pest-OE/MAT/UI0212/2014).