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Carleman Inequalities

An Introduction and More

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  • Provides an accessible introduction to Carleman estimates
  • Includes recent results, examples, and applications
  • Written by an expert in the field

Part of the book series: Grundlehren der mathematischen Wissenschaften (GL, volume 353)

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Table of contents (11 chapters)

  1. Front Matter

    Pages i-xxvii
  2. Prolegomena

    • Nicolas Lerner
    Pages 1-25
  3. A Toolbox for Carleman Inequalities

    • Nicolas Lerner
    Pages 27-46
  4. Pseudo-convexity: Hörmander’s Theorems

    • Nicolas Lerner
    Pages 69-92
  5. Complex Coefficients and Principal Normality

    • Nicolas Lerner
    Pages 93-136
  6. On the Edge of Pseudo-convexity

    • Nicolas Lerner
    Pages 137-193
  7. Operators with Partially Analytic Coefficients

    • Nicolas Lerner
    Pages 195-236
  8. Perspectives and Developments

    • Nicolas Lerner
    Pages 415-442
  9. Back Matter

    Pages 443-557

About this book

Over the past 25 years, Carleman estimates have become an essential tool in several areas related to partial differential equations such as control theory, inverse problems, or fluid mechanics. This book provides a detailed exposition of the basic techniques of Carleman Inequalities, driven by applications to various questions of unique continuation.

Beginning with an elementary introduction to the topic, including examples accessible to readers without prior knowledge of advanced mathematics, the book's first five chapters contain a thorough exposition of the most classical results, such as Calderón's and Hörmander's theorems. Later chapters explore a selection of results of the last four decades around the themes of continuation for elliptic equations, with the Jerison-Kenig estimates for strong unique continuation, counterexamples to Cauchy uniqueness of Cohen and Alinhac & Baouendi, operators with partially analytic coefficients with intermediate results betweenHolmgren's and Hörmander's uniqueness theorems, Wolff's modification of Carleman's method, conditional pseudo-convexity, and more.


With examples and special cases motivating the general theory, as well as appendices on mathematical background, this monograph provides an accessible, self-contained basic reference on the subject, including a selection of the developments of the past thirty years in unique continuation.

Authors and Affiliations

  • Institut de Mathématiques de Jussieu, Sorbonne Université, Paris, France

    Nicolas Lerner

About the author

Nicolas Lerner is professor at Sorbonne Université (formerly Université Paris VI). He has written several articles on Carleman estimates and a book on pseudo-differential operators. He was an invited section speaker at the 2002 ICM in Beijing.

Bibliographic Information

Buy it now

Buying options

eBook USD 119.00
Price excludes VAT (USA)
  • Available as EPUB and PDF
  • Read on any device
  • Instant download
  • Own it forever
Hardcover Book USD 159.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Other ways to access