Constructing Krall-Hahn orthogonal polynomials

Antonio J. Durán, Manuel D. de la Iglesia

Given a sequence of polynomials $(p_n{)}_n$, an algebra of operators $\mathcal{A}$ acting in the linear space of polynomials and an operator $D_p\in \mathcal{A}$ with $D_p(p_n)={\theta }_n{p}_n$…