“…[37, 38, 46-49, 61, 62, 66-73, 81-83, 87, 88, 96-99, 102-105, 108, 109]. Their investigations were deepened further in the subsequent period [117-119, 126-128, 132, 138-140, 142, 145, 154, 164, 173-175, 179, 183].With his PhD students he started several parallel research topics like Laurent Padé and Padé-type approximation (M. Camacho, PhD 1991) [51,52,74,100,101], multipoint Padé-type approximation and quadrature (M. Jiménez Paíz, PhD 1991) [15, 27, 30, 32, 41, 64, 80, 90, 112, 115], multivariate Padé approximation (R. Orive, PhD 1991), [42,59,60] composite and alternative numerical quadrature formulas (J.C. Santos León, PhD 1995) [19,29,43,44,57,63, 65,85,[91][92][93], Convergence of twopoint Padé-type approximants (C. Díaz Mendoza, PhD 2000) [89,94,107,114,116,130,137,144,149,151,152,170], quadrature on the unit circle (L. Daruis, PhD 2001) [113, 121-123, 125, 129, 134-136, 143, 146, 156, 158, 159, 167] which resulted in their book Ortogonalidad y Cuadraturas sobre la Circunferencia Unidad [153], orthogonal Laurent polynomials and quadrature on the unit circle and on the real line (R.
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