2 citations · 2 across the 3 of their papers we have counts for
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math.CA2009
Vector interpretation of the matrix orthogonality on the real line
A. Branquinho, F. Marcellán, A. Mendes
In this paper we study sequences of vector orthogonal polynomials. The vector orthogonality presented here provides a reinterpretation of what is known in the literature as matrix…
math.CA2007★ 2 cited
When do linear combinations of orthogonal polynomials yield new sequences of orthogonal polynomials?
M. Alfaro, F. Marcellan, A. Pena +1
Given a sequence of monic orthogonal polynomials, we analyze their linear combinations with constant coefficients and fixed length . Necessary and suffici…
math.CA2007
Hardy-type theorem for functions orthogonal with respect to their zeros. The Jacobi weight case
L. D. Abreu, F. Marcellan, S. Yakubovich
Motivated by G. H. Hardy's 1939 results \cite{Hardy} on functions orthogonal with respect to their real zeros , we will consider, within the same general conditi…