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International Journal of Mathematics and Mathematical Sciences
Volume 2008, Article ID 746946, 19 pages
Research Article

Generalized Moisil-Théodoresco Systems and Cauchy Integral Decompositions

1Facultad de Informática y Matemática, Universidad de Holguín, Holguín 80100, Cuba
2Departamento de Matemática, Facultad de Matemática y Computación, Universidad de Oriente, Santiago de Cuba 90500, Cuba
3Department of Mathematical Analysis, Ghent University, 9000 Ghent, Belgium

Received 20 September 2007; Revised 13 January 2008; Accepted 17 February 2008

Academic Editor: Heinrich Begehr

Copyright © 2008 Ricardo Abreu Blaya et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Let be the space of -vectors in the Clifford algebra constructed over the quadratic vector space , let with , and , and let . Then, an -valued smooth function defined in an open subset is said to satisfy the generalized Moisil-Théodoresco system of type if in , where is the Dirac operator in . A structure theorem is proved for such functions, based on the construction of conjugate harmonic pairs. Furthermore, if is bounded with boundary , where is an Ahlfors-David regular surface, and if is a -valued Hölder continuous function on , then necessary and sufficient conditions are given under which admits on a Cauchy integral decomposition .