Download e-book for kindle: Improperly Posed Problems and Their Numerical Treatment: by Alfred S. Carasso (auth.), Prof. Dr. G. Hämmerlin, Prof. Dr.

By Alfred S. Carasso (auth.), Prof. Dr. G. Hämmerlin, Prof. Dr. K.-H. Hoffmann (eds.)

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Read Online or Download Improperly Posed Problems and Their Numerical Treatment: Conference Held at the Mathematisches Forschungsinstitut, Oberwolfach, September 26–October 2, 1982 PDF

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Extra info for Improperly Posed Problems and Their Numerical Treatment: Conference Held at the Mathematisches Forschungsinstitut, Oberwolfach, September 26–October 2, 1982

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S. Phillips, Scattering Theory, Academic Press, New York, 1967. 7. A. Roger, Newton-Kantorovich algorithm applied to an electromagnetic inverse problem, IEEE Trans. Ant. and Prop. AP- 29 (1981), 232 - 238. 8. T. D. Thesis, University of Delaware, 1982. A. Andreas Kirsch Institut fUr Numerische und Angewandte Mathematik Universitat Gottingen, Lotzestr. 16 - 18 Gottingen, Germany (FRG) 57 A NUMERICAL METHOD FOR SOLVING THE INVERSE STEFAN PROBLEM IN TWO SPACE VARIABLES David Colton* and Rembert Reemtsen Department of Mathematical Sciences, University of Delaware, Newark, Delaware 19711, USA.

5. A. Friedman, "Partial Differential Equations," Holt, Rinehart and Winston, New York (1969). 6. T. Kato, "Perturbation Theory for Linear Operators," Springer-Verlag, New York (1966). 7. Z. Nashed (Editor), Proceedings of the International Symposium on 111Posed Problems (1979), University of Delaware, D. Reidel Publishing Company, Hingham, Massachusetts. (In Press). 8. L. E. Payne, "Inproper1y Posed Problems in Partial Differential Equations," CBMS Regional Conference Series No. 22, SIAM Publications, Society for Industrial and Applied Mathematics, Philadelphia, Pennsylvania, 19103 (1975).

Le. solve the direct scattering problem. Since our main interest is in the inverse problem, we shall only briefly describe how is ! con- structed and refer the reader to [4 ] for full details. p(X) a G(~'X)ds(X) av (X) €]R2 \ 0 ( 1 • 5) is an unknown density to be determined, notes the uriit outward normal to and ~ ; aD, v de- an element of arclength, ds is an appropriately chosen fundamental solution of the G Helmholtz equation, the choice being such that the integral equation which results when we let x tend to '" aD is solvable for all values of the wave number.

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