Transactions of the American Mathematical Society

ISSN 1088-6850(online) ISSN 0002-9947(print)



Rational approximation on product sets

Author: Otto B. Bekken
Journal: Trans. Amer. Math. Soc. 191 (1974), 301-316
MSC: Primary 32E30; Secondary 46J10
MathSciNet review: 0379900
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Abstract: Our object here is to study pointwise bounded limits, decomposition of orthogonal measures and distance estimates for $ R({K_1} \times {K_2})$ where $ {K_1}$ and $ {K_2}$ are compact sets in the complex plane.

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Keywords: Pointwise bounded approximation, rational functions, orthogonal measures, Vitushkin techniques, weak-star closure in $ {L^\infty }(\sigma )$
Article copyright: © Copyright 1974 American Mathematical Society