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math.CA2017
semiclassical orthogonal polynomials via polynomial mappings
K. Castillo, M. N. De Jesus, F. Marcellán +1
In this work we study orthogonal polynomials via polynomial mappings in the framework of the semiclassical class. We consider two monic orthogonal polynomial sequences $\{p_n…
math.CA2017
Refined interlacing properties for zeros of paraorthogonal polynomials on the unit circle
K. Castillo, J. Petronilho
The purpose of this note is to extend in a simple and unified way the known results on interlacing of zeros of paraorthogonal polynomials on the unit circle. These polynomials can…