Branquinho, A.Foulquie-Moreno, AnaMarcellan, FranciscoRebocho, M. N.2020-02-042020-02-042008A. Branquinho, A. Foulqui e Moreno, F. Marcell an, and M.N. Rebocho, Coherent pairs of linear functionals on the unit circle, Journal of Approximation Theory 153 (1) (2008), 122-137.http://hdl.handle.net/10400.6/9009In this paper we extend the concept of coherent pairs of measures from the real line to Jordan arcs and curves. [...]engOrthogonal polynomialsDifference equationsThree term recurrence relationsMeasures on the unit circleHermitian functionalspreprint