Jorge Bustamante

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A universality theorem for ratios of random characteristic polynomials Original Research Article Pages 803-814 Stolz angle limit of a certain class of self-mappings of the unit disk Original Research Article Pages 815-822 A generalization of the Riesz–Fischer theorem and linear summability methods Original Research Article Pages 841-853
For a given θ ∈ (a, b), we investigate the question whether there exists a positive quadrature formula with maximal degree of precision which has the prescribed abscissa θ plus possibly a and/or b, the endpoints of the interval of integration. This study relies on recent results on the location of roots of quasi-orthogonal polynomials. The above positive(More)