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Differential Equations: Geometric Theory (Phoenix Edition)
Differential Equations Geometric Theory - Phoenix Edition Author:Solomon Lefschetz Written by a celebrated mathematician and teacher, this text investigates nonlinear differential equations of the second order. Geared toward upper-level undergraduates and graduate students, it opens with an extensive overview of the classical literature. Topics include point stability; periodic solutions; the results of Poincaré and Ben... more »dixson; structural stability; and equations of the second order—notably, the work of Cartwright-Littlewood, Levinson-Smith, and Levinson, and the application of the perturbation method. Two appendices on vectors and matrices and on topology conclude the text, along with a supplemental list of problems. 1957 ed. 400pp. 55/8 x 81/2.« less