A formula for inserting point masses

  • Authors:

  • Manwah Lilian Wong

  • Affiliations:

  • Mathematics 253-37, California Institute of Technology, Pasadena, CA 91125, United States

  • Venue:
  • Journal of Computational and Applied Mathematics
  • Year:
  • 2009

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Abstract

Let d@m be a probability measure on the unit circle and d@n be the measure formed by adding a pure point to d@m. We give a formula for the Verblunsky coefficients of d@n, based on a result of Simon.