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| Preface 1 Introduction and summary 2 PDE systems ,pfaffian systems and vector field systems 2.1 ODE systems,vector fields and 1-parameter groups 2.2 first order PDE systems in one dependent variable,pfaffian equations and contact transformantions 2.3 Jet bundles and contact pfaffian systems 2.4 The theorem of Frobenius 2.5 Mayer's blowing-up method for proving 3 Cartan's local existence theorem 3.1 Involutions and characters 3.2 From involutions to complete systems 3.3 How general is the general solutions ? 3.4 Cauchy characteristics 3.5 Maximal involutions and integrable vector-field systems 4 Involutivity and the prolongation theorem 4.1 Independence condition and involutivity 4.2 Prolongations 4.3 Explanation of the prolongation theorem 5 Drach's Classification,seceond order PDEs in one dependent variable,and Monge characteristics 5.1 The classification of Drach 5.2 Second order PDEs in on unknown and their singular vector fields 5.3 Monge characteristic subsystems 6 Integration of vector field systems satisfying 6.1 Maximal involutions 6.2 Complete subsystems 6.3 The generalized contact bracket 6.4 Reduction to a canonical form and systems of contact coordinates 6.5 How to find all maximal completes subsystems of 6.6 Contact transformations and Lie pseudogroups 6.7 Explicitly integrable systems 7 Higher order contact transformations 8 Local Lie groups 9 Structual classification of 3-dimensional Lie algebras over the comples numbers 10 Lie euqations and Lie vector field systems 11 Second order PDEs in one dependent and two independent variables 12 Hyperbolic PDEs with Monge systems admitting two or three first integrals 13 Classification of hyperbolic Goursat equations 14 Cartan's theory of Lie pseudogroups 15 The equivalence problem 16 Parabolic PDEs and associated PDEs systems 17 The equivallence problem for general 3-dimensional pfaffian systems in five variables 18 Involutive second order PDE systems in one dependent and three independent variables ,solved by he method of Monge Biliography Index |
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