Exact Methods for Nonlinear PDEs

Andrei D. Polyanin

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English

Chapman & Hall/CRC
13 August 2025

Differential calculus & equations; Applied mathematics

Series: Advances in Applied Mathematics

Exact Methods for Nonlinear PDEs describes effective analytical methods for finding exact solutions to nonlinear differential equations of mathematical physics and other partial differential equations and also demonstrates the practical applications of these methods. It covers the methods of generalized separation of variables, methods of functional separation of variables, the classical method of symmetry reductions, the direct method of symmetry reductions, the method of weak symmetry reductions, and the method of differential constraints.

The book presents several simple methods for finding exact solutions to nonlinear partial differential equations (PDEs). These methods do not require specialized knowledge and aim to minimize intermediate calculations. For the first time, it discusses the application of nonrigorous, intuitive reasoning in deriving exact solutions to nonlinear PDEs.

Each section provides numerous examples, problems, and exercises to help readers develop practical skills in applying the methods. The material is illustrated with equations of mass and heat transfer, hydrodynamics, wave theory, nonlinear optics, and other nonlinear equations of mathematical physics.

The key points that distinguish this book from others in the field include:

• it presents many methods in a simpler and more visual format;

• it describes a number of simple methods for constructing exact solutions to nonlinear PDEs and delay PDEs;

• it emphasizes and details the practical use of non-rigorous reasoning to derive exact solutions for nonlinear PDEs.

The book is intended for a diverse audience, including researchers, university professors, engineers, postgraduates, and students specializing in applied mathematics, theoretical physics, and engineering sciences.

By: Andrei D. Polyanin
Imprint: Chapman & Hall/CRC
Country of Publication: United Kingdom
Dimensions: Height: 234mm, Width: 156mm,
ISBN: 9781032710518
ISBN 10: 1032710519
Series: Advances in Applied Mathematics
Pages: 417
Publication Date: 13 August 2025
Audience: College/higher education , Professional and scholarly , Primary , Undergraduate
Format: Hardback
Publisher's Status: Forthcoming

Andrei D. Polyanin, DSc, PhD, professor, is a well-known scientist of broad interests and is active in various areas of mathematics, mechanics, and chemical engineering sciences. Prof. Polyanin graduated with honors from the Department of Mechanics and Mathematics of Moscow State University in 1974. He earned his PhD in 1981 and DSc in 1986 from the Institute for Problems in Mechanics of the Russian (former USSR) Academy of Sciences. Since 1975, Prof. Polyanin has been working at the Institute for Problems in Mechanics of the Russian Academy of Sciences. He is a member of the Russian National Committee on Theoretical and Applied Mechanics. Prof. Polyanin is an author of more than 30 books and over 300 articles and holds three patents.