Abstract
Through a double-layer potential argument we define harmonic conjugates of the Cauchy type and prove their existence and uniqueness in Lipschitz domains. We further define inner and outer Hilbert transformations on Lipschitz surfaces and prove their boundedness in L p, where the range for the index p depends on the Lipschitz constant of the boundary surface. The inner and outer Poisson kernels, the Cauchy type conjugate inner and outer Poisson kernels, and the kernels of the inner and outer Hilbert transformations on the sphere are obtained. We also obtain Abel sum expansions of the kernels. The study serves as a justification of the methods in a series of papers of Brackx et al. based on their method for computation of a certain type of harmonic conjugates.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
A. Axelsson, Transmission problems and boundary operators, Integral Equation and Operator Theory, 50 (2004), 147–164.
S. Bell, The Cauchy transform, potential theory and conformal mappings, 1992.
F. Brackx, B. De Knock, H. De Schepper and D. Eelbode, On the interplay between the Hilbert transform and conjugate harmonic functions, Mathematical Methods in the Applied Sciences, 29 (2006), 1435–1450.
F. Brackx and H. De Schepper, Conjugate harmonic functions in Euclidean space: a spherical approach, Computational Methods and Function Theory, to appear in CMFT 2006.
F. Brackx, H. De Schepper and D. Eelbode, A new Hilbert transform on the unit sphere in Rm, Complex Variables and Elliptic Equations, 51 (2006), 453–462.
F. Brackx and N. Van Acker, A conjugate Poisson kernel in Euclidean space, Simon Stevin, 67 (1993), 3–14.
D. Constales, A conjugate harmonic to the Poisson kernel in the unit ball of Rn, Simon Stevin, 62 (1988), 289–291.
R. Coifman, A. McIntosh and Y. Meyer, L’ intégrale de Cauchy définit un opérateur borné sur L pour les courbes lipschitziennes, Ann. Math. 116 (1982), 361–387.
R. Delanghe, F. Sommen and V. Soucek, Clifford Algebra and Spinor-Valued Functions, 53, Kluwer Academic Publishers, Dordrecht, Boston, London, 1992.
E. Fabes, M. Jodeit and N. Riviére, Potential techniques for boundary value problems on C1 domains, Acta Math., 141 (1978), 165–186.
J.B. Garnett, Bounded Analytic Functions, Academic Press, 1987.
J. Gilbert and M. Murray, Clifford Algebra and Dirac Operator in Harmonic Analysis, Cambridge University Press, Cambridge, MA 1991.
C.E. Kenig, Weighted Hardy spaces on Lipschitz domains, Amer. J. Math., 102 (1980), 129–163.
C.E. Kenig, Harmonic analysis techniques for second order elliptic boundary value problems, CBMS, Regional Conference Series in Mathematics, 83, 1991.
C. Li, A. McIntosh and S. Semmes, Convolution singular integrals on Lipschitz surfaces, J. Amer. Math. Soc., 5 (1992), 455–481.
C. Li, A. McIntosh and T. Qian, Clifford algebras, Fourier transforms, and singular convolution operators on Lipschitz surfaces, Revista Mathemática Iberoamericana, 10 (1994), 665–721.
T. Qian, Singular integrals with holomorphic kernels and H ∞ Fourier multipliers on star-shaped Lipschitz curves, Studia Mathematica, 123 (1997), 195–216.
T. Qian, Fourier Analysis on starlike Lipschitz surfaces, Journal of Functional Analysis, 183 (2001), 370–412.
G. Verchota, Layer potentials and regularity for the Dirichlet problem for Laplace’s equation, J. Funct. Anal., 59 (1984), 572–611.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2008 Birkhäuser Verlag Basel/Switzerland
About this paper
Cite this paper
Qian, T. (2008). Hilbert Transforms on the Sphere and Lipschitz Surfaces. In: Sabadini, I., Shapiro, M., Sommen, F. (eds) Hypercomplex Analysis. Trends in Mathematics. Birkhäuser Basel. https://doi.org/10.1007/978-3-7643-9893-4_16
Download citation
DOI: https://doi.org/10.1007/978-3-7643-9893-4_16
Publisher Name: Birkhäuser Basel
Print ISBN: 978-3-7643-9892-7
Online ISBN: 978-3-7643-9893-4
eBook Packages: Mathematics and StatisticsMathematics and Statistics (R0)