2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/69073We show that the multitude of applications of the Weyl-Titchmarsh m-function leads to a multitude of different functions in the theory of orthogonal polynomials on the unit circle that serve as analogs of the m-function.Spectral TheoryMathematical PhysicsAnalogs of the M-Function in the Theory of Orthogonal Polynomials on the Unit Circletext