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Title: Riemann-Hilbert problems for poly-Hardy space on the unit ball
Author: He, Fuli
Ku, Min
Dang, Pei
Kähler, Uwe
Keywords: Hardy space
Riemann-Hilbert problems
Monogenic signals
Schwarz kernel
Issue Date: 4-Jan-2016
Publisher: Taylor and Francis
Abstract: In this paper, we focus on a Riemann–Hilbert boundary value problem (BVP) with a constant coefficients for the poly-Hardy space on the real unit ball in higher dimensions. We first discuss the boundary behaviour of functions in the poly-Hardy class. Then we construct the Schwarz kernel and the higher order Schwarz operator to study Riemann–Hilbert BVPs over the unit ball for the poly- Hardy class. Finally, we obtain explicit integral expressions for their solutions. As a special case, monogenic signals as elements in the Hardy space over the unit sphere will be reconstructed in the case of boundary data given in terms of functions having values in a Clifford subalgebra. Such monogenic signals represent the generalization of analytic signals as elements of the Hardy space over the unit circle of the complex plane.
Peer review: yes
DOI: 10.1080/17476933.2015.1123698
ISSN: 1747-6933
Appears in Collections:CIDMA - Artigos
CHAG - Artigos

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