Overview

This book provides a comprehensive and self-contained introduction to the study of the Cauchy problem and unique continuation properties for partial differential equations. Aimed at graduate and advanced undergraduate students, it bridges foundational concepts such as Lebesgue measure theory, functional analysis, and partial differential equations with advanced topics like stability estimates in inverse problems and quantitative unique continuation. By presenting detailed proofs and illustrative examples, the text equips readers with a deeper understanding of these fundamental topics and their applications in mathematical analysis. Designed to serve as both a learning resource and a reference, this book is particularly suited for those pursuing research in mathematical physics, inverse problems, or applied analysis.

Full Product Details

Author:   Sergio Vessella
Publisher:   Birkhauser Verlag AG
Imprint:   Birkhauser Verlag AG
ISBN:  

9783031863684

ISBN 10:   3031863682
Pages:   957
Publication Date:   01 May 2026
Audience:   Primary & secondary/elementary & high school ,  Secondary
Format:   Paperback
Publisher's Status:   Active
Availability:   Not yet available  
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Table of Contents

- 1. Introduction.- Part I: The Sobolev Spaces and the Boundary Value Problems.- 2. Main notations and basic formulas.- 3. Overview of measure theory and functional analysis.- 4. Notes on the distribution theory and Fourier transform.- 5. The Sobolev spaces.- 6. The boundary value problems for second–order elliptic equations and the Dirichlet to Neumann map.- Part II: Cauchy Problem for PDEs and Stability Estimates.- 7. The Cauchy problem for the first–order PDEs.- 8. Real analytic functions.- 9. The Cauchy problem for PDEs with analytic coefficients.- 10. Uniqueness for an inverse problem.- 11. The Hadamard example. Solvability of the Cauchy problem and continuous dependence by the data.- 12. Ill–posed problems. Conditional stability.- 13. The John stability Theorem for the Cauchy problem for PDEs with analytic coefficients.- Part III: Carleman Estimates and Unique Continuation Properties.- 14. Carleman estimates: a first look with simple examples and basic applications.- 15. Carleman estimates and the Cauchy problem for operators with 𝑪∞ coefficients in the principal part.- 16. Carleman estimates for reduced regularity coefficients.- 17. Carleman estimates for second–order operators with real coefficients in the principal part.- 18. Optimal three sphere and doubling inequality for second–order elliptic equations.- 19. Miscellanea.

Reviews

“The book provides an accessible ‘bridge’ between rigorous PDE analysis and the more specialized topics on UCPs and stability estimates in inverse problems. It complements the standard PDE textbooks ... . It can be used not only as a textbook for graduate and advanced undergraduate students, but also as a reference for researchers entering areas such as inverse problems, control theory, or any mathematical branch where the UCPs play an important role.” (Shitao Liu, Mathematical Reviews, April, 2026)

Author Information

Sergio Vessella was born on August 20 1955. He graduated from Pisa University in 1978. He held a CNR grant (1979--1982) and served as a CNR Researcher (1982--1988). He became Associate Professor in 1988 and in 2001 he was promoted Full Professor. His research focuses on Inverse Problems (IP) for Partial Differetial Equations (PDEs) and Quantitative Estimates of Unique Continuation for PDEs. He co-authored Abel Integral Equations with Prof. R. Gorenflo (Springer LNM, 1991). His work spans IP for Elliptic, Parabolic, and Hyperbolic equation, size estimates in inclusion problems, Lipschitz dependence of coefficients, and Strong Unique Continuation Properties for PDEs.  Prof. Vessella has collaborated with leading mathematicians, including Profs. G. Alessandrini, M. De Hoop, and L. Escauriaza. He has served as visiting professor in Berlin, Linz, Rutgers, and others insitutions.  He has organized symposia (e.g., IFIP-2005, Turin) and courses (e.g., Firenze, 2006) and has been an invited speaker at international conferences (e.g., Oberwolfach, Potsdam, IPMS-Malta 2024).

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