2012 | OriginalPaper | Chapter
On Christoffel Functions and Related Quantities for Compactly Supported Measures
Author : D. S. Lubinsky
Published in: Approximation Theory XIII: San Antonio 2010
Publisher: Springer New York
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Let μ be a compactly supported positive measure on the real line, with associated orthogonal polynomials
p
n
. Without any global restrictions such as regularity, we discuss convergence in measure for
We also establish convergence a.e.for sufficiently sparse subsequences of Christoffel function ratios.