Series: Dover Books on Mathematics | Publication Date: June 1, 1956
Among the topics covered in this classic treatment are linear differential equations; solution in an infinite form; solution by definite integrals; algebraic theory; Sturmian theory and its later developments; further developments in the theory of boundary problems; existence theorems, equations of first order; nonlinear equations of higher order; more. "Highly recommended" Electronics Industries.
This review is from: Ordinary Differential Equations (Dover Books on Mathematics) (Paperback)
This classic (originally published in 1926 and still in print!) combines readability with a vast wealth accurately presented material (much of which can still only be found in research papers and certainly can nowhere else be found in a single reference). Most astpects of theory are illustrated by examples.
The main areas covered in the book are existence theorems, transformation group (Lie group) methods of solution, linear systems of equations, boundary eigenvalue problems, nature and methods of solution of regular, singular and nonlinear equation in the complex plane, Green's functions for complex equations.
This is an essential reference for anyone working with ordinary differential equations.
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This review is from: Ordinary Differential Equations (Dover Books on Mathematics) (Paperback)
Readable, has a simple chapter on continuous groups that (implicitly) introduces the notion of global integrability. Discusses and uses Fuch's theorem (classification of singularities of linear ode's, basis for 'guessing' the right form of the series solution in terms of singilarities of coefficients), easy group theoretic discussion of singularities in the complex plane. Stage 2: see Arnol'd's Ordinary Differential Equations for theory, Bender and Orszag for approximation methods.
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