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ON NUMERICAL ALGORITHMS FOR THE SOLUTION OF A BELTRAMI EQUATION.
- Source :
-
SIAM Journal on Numerical Analysis . 2008, Vol. 46 Issue 5, p2238-2253. 16p. 3 Charts. - Publication Year :
- 2008
-
Abstract
- The paper concerns numerical algorithms for solving the Beltrami equation fz¯(z) = μ(z)fz(z) for a compactly supported μ. First, we study an efficient algorithm that has been proposed in [P. Daripa, J. Comput. Phys., 106 (1993), pp. 355-365] and [P. Daripa and D. Mashat, Numer. Algorithms, 18 (1998), pp. 133-157] and present its rigorous justification. We then propose a different scheme for solving the Beltrami equation which has a comparable speed and accuracy, but has the virtue of easier implementation by avoiding the use of the Hilbert transform. The present paper can also be viewed as a prologue to one important application of the Beltrami equation: it provides a detailed description of the algorithm that has been used in [D. Gaidashev, Nonlinearity, 20 (1998), pp. 713-741] and [D. Gaidashev and M. Yampolsky, Experiment. Math., 16 (2007), pp. 215-226] to address an important issue in complex dynamics-conjectural universality for Siegel disks. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00361429
- Volume :
- 46
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- SIAM Journal on Numerical Analysis
- Publication Type :
- Academic Journal
- Accession number :
- 33227804
- Full Text :
- https://doi.org/10.1137/050640710