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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

Real analytic boundary regularity of the Cauchy kernel on convex domains


Author: So-Chin Chen
Journal: Proc. Amer. Math. Soc. 108 (1990), 423-432
MSC: Primary 32A25; Secondary 32A40, 32F15
MathSciNet review: 1000149
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Abstract: It is well-known that in one complex variable the Cauchy integral preserves real analyticity near the boundary. In this paper we show that the same conclusion also holds on convex domains with real analytic boundary in higher dimension, where the Cauchy kernel is given by the Cauchy-Fantappiè form of order zero generated by the (l.0)-form $ C\left( {\xi ,z} \right)$,

$\displaystyle C\left( {\xi ,z} \right) = \left( {\sum\limits_{j = 1}^n {\frac{{... ...xi _j}}}} \left( \xi \right)\left( {{\xi _j} - {z_j}} \right)} \right)^{ - 1}},$

where $ r\left( \xi \right)$ is the defining function of the domain.

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Additional Information

DOI: http://dx.doi.org/10.1090/S0002-9939-1990-1000149-2
PII: S 0002-9939(1990)1000149-2
Keywords: convex domain, Cauchy-Fantappiè form
Article copyright: © Copyright 1990 American Mathematical Society