Remarks on de la Vallée Poussin means and convex conformal maps of the circle
Remarks on de la Vallée Poussin means and convex conformal maps of the circle
Introduction.The aims of the present remarks are similar to those pursued by L. Fejer in several papers in the early nineteen thirties and well described by the title of one of his paper: Gestaltlίckes ύber die Partialsummen und ihre Mittelwerte bei der Fourierreihe und der Potenzreihe.However, the means which we …