The modulus of Rudin-Carleson extensions |
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Authors: | Josip Globevnik |
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Institution: | (1) Institute of Mathematics, Physics and Mechanics, E. K. University of Ljubljana, Ljubljana, Yugoslavia |
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Abstract: | We prove the followingTheorem. LetF be a closed subset of the unit circleT which has Lebesgue measure zero. Suppose thatp is a smooth positive function onT. GivenfC(F) which satisfies|f(s)|p(s) (sF) and a neighbourhoodU ofF there is an extension
off in the disc algebra such that
and
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Keywords: | |
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