Abstract
We discuss a possibility of deciding whether measures representing a moment sequence or realizing orthogonality of polynomials have atoms. This is done on the real line and in several variables.
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Szafraniec, F.H. Detecting Mass Points of Representing Measures. Numerical Algorithms 33, 475–483 (2003). https://doi.org/10.1023/A:1025513416308
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DOI: https://doi.org/10.1023/A:1025513416308