Inverse Problems for Partial Differential Equations

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Springer Science & Business Media, Jun 2, 2006 - Mathematics - 346 pages
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In 8 years after publication of the ?rst version of this book, the rapidly progre- ing ?eld of inverse problems witnessed changes and new developments. Parts of the book were used at several universities, and many colleagues and students as well as myself observed several misprints and imprecisions. Some of the research problems from the ?rst edition have been solved. This edition serves the purposes of re?ecting these changes and making appropiate corrections. I hope that these additions and corrections resulted in not too many new errors and misprints. Chapters 1 and 2 contain only 2–3 pages of new material like in sections 1.5, 2.5. Chapter 3 is considerably expanded. In particular we give more convenient de?nition of pseudo-convexity for second order equations and included bou- ary terms in Carleman estimates (Theorem 3.2.1 ) and Counterexample 3.2.6. We give a new, shorter proof of Theorem 3.3.1 and new Theorems 3.3.7, 3.3.12, and Counterexample 3.3.9. We revised section 3.4, where a new short proof of exact observability inequality in given: proof of Theorem 3.4.1 and Theorems 3.4.3, 3.4.4, 3.4.8, 3.4.9 are new. Section 3.5 is new and it exposes recent progress on Carleman estimates, uniqueness and stability of the continuation for systems. In Chapter 4 we added to sections 4.5, 4.6 some new material on size evaluation of inclusionsandonsmallinclusions.Chapter5containsnewresultsonidenti?cation
 

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Contents

Inverse Problems
1
IllPosed Problems and Regularization
20
Uniqueness and Stability in the Cauchy Problem
41
Single Boundary Measurements
89
Many Boundary Measurements
127
Scattering Problems
173
Integral Geometry and Tomography
192
Hyperbolic Problems
218
Inverse parabolic problems
255
Some Numerical Methods
297
Appendix Functional Spaces
321
Index
343
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Victor Isakov, MCTS, MCITP, is a certified trainer, author, and expert on SQL Server 2005.

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