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Absolutely continuous representing measures for R(X)

Absolutely continuous representing measures for R(X) Let X be a compact nowhere dense subset of the complex plane C, and let R(X) be the uniform closure of the rational functions having no poles on X. We present a short proof of the fact that each non‐peak point for R(X) admits a representing measure absolutely continuous with respect area. If X happens to have finite perimeter, then every non‐peak point admits a representing measure absolutely continuous with respect to arc length, provided the corresponding integral is taken in a principal value sense. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the London Mathematical Society Wiley

Absolutely continuous representing measures for R(X)

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References (32)

Publisher
Wiley
Copyright
© London Mathematical Society
ISSN
0024-6093
eISSN
1469-2120
DOI
10.1112/blms/bdu067
Publisher site
See Article on Publisher Site

Abstract

Let X be a compact nowhere dense subset of the complex plane C, and let R(X) be the uniform closure of the rational functions having no poles on X. We present a short proof of the fact that each non‐peak point for R(X) admits a representing measure absolutely continuous with respect area. If X happens to have finite perimeter, then every non‐peak point admits a representing measure absolutely continuous with respect to arc length, provided the corresponding integral is taken in a principal value sense.

Journal

Bulletin of the London Mathematical SocietyWiley

Published: Dec 1, 2014

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