Applications of Lie's Theory of Ordinary and Partial Differential Equations

Lie's group theory of differential equations unifies the many ad hoc methods known for solving differential equations and provides powerful new ways to find solutions. The theory has applications to both ordinary and partial differential equations and is not restricted to linear equations. Applications of Lie's Theory of Ordinary and Partial Differential Equations provides a concise, simple introduction to the application of Lie's theory to the solution of differential equations. The author emphasizes clarity and immediacy of understanding rather than encyclopedic completeness, rigor, and generality. This enables readers to quickly grasp the essentials and start applying the methods to find solutions. The book includes worked examples and problems from a wide range of scientific and engineering fields.

Conventions used in this book. One-parameter groups. First-order ordinary differential equations. Second-order ordinary differential equations. Similarity solutions of partial differential equations. Traveling-wave solutions. Approximate methods. Epilogue. Appendices. Solutions to the problems. References. Symbols and their definitions.

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Lie's group theory of differential equations unifies the many ad hoc methods known for solving differential equations and provides powerful new ways to find solutions. The theory has applications to both ordinary and partial differential equations and is not restricted to linear equations. This textbook provides a concise, simple introduction to the application of Lie's theory to the solution of differential equations. The author emphasises clarity and immediacy of understanding rather than encyclopaedic completeness, rigour and generality. This enables readers quickly to grasp the essentials and start applying the methods to find solutions. Worked examples and problems are drawn from differential equations met in a wide range of scientific and engineering fields. The book will be useful t