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On the density of polynomials under perturbations of the measure
classification
🧮 math-ph
math.MP
keywords
densemathbbmeasurepolynomialsdensityerroneousfiniteperturbations
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This paper presents an erroneous proof that if the polynomials are dense in $L_2(\mathbb{R}, \rho)$, then they are dense in $L_2(\mathbb{R}, \rho+\mu)$ where $\mu$ is a measure supported on a finite set of points.
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