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14.—A Generalised Walsh-Lebesgue Theorem*

Published online by Cambridge University Press:  14 February 2012

A. G. O'Farrell
Affiliation:
University of California, Los Angeles

Synopsis

Let X be the boundary of a compact set which does not separate the plane, C. Let Φ and Ψ be homeomorphisms of C to C with opposite orientations. Then every continuous complex-valued function on X is the uniform limit on X of sums p(Φ)+q(ψ), where p and q are analytic polynomials.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1975

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References

1Browder, A. and Wermer, J., A method for constructing Dirichlet algebras. Proc. Amer. Math. Soc, 15, 546552, 1964.CrossRefGoogle Scholar
2Ohtsuka, M., Dirichlet problem, extremal length and prime ends. Van Nostrand Math. Studies, 20, 1970.Google Scholar
3Preskenis, K., Approximation on discs. Trans. Amer. Math. Soc, 171, 445467, 1972.CrossRefGoogle Scholar
4Wermer, J., Seminar über Funktionen-Algebren. Lecture Notes Math., 1, 1964.Google Scholar