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Arnold V.I. — Ordinary Differential Equations
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Название: Ordinary Differential Equations
Автор: Arnold V.I.
Аннотация: Although there is no lack of other books on this subject, even with the same title, the appearance of this new one is fully justified on at least two grounds: its approach makes full use of modern mathematical concepts and terminology of considerable sophistication and abstraction, going well beyond the traditional presentation of the subject; and, at the same time, the resulting enhancement of mathematical abstractness is counterbalanced by a constant appeal to geometrical and physical considerations, presented in the main text and in numerous problems and exercises.
In terms of mathematical approach, the text is dominated by two central ideas: the theorem on rectifiability of a vector field (which is equivalent to the usual theorems on existence, uniqueness, and differentiability of solutions) and the theory of one-parameter groups of linear transformations (equivalent to the theory of linear autonomous systems). The book also develops whole congeries of fundamental concepts—like phase space and phase flows, smooth manifolds and tangent bundles, vector fields and one-parameter groups of diffeomorphisms—that remain in the shadows in the traditional coordinate-based approach. All of these concepts are presented in some detail, but without assuming any background on the part of the reader beyond the scope of the standard elementary courses on analysis and linear algebra.
In terms of concrete applications, the book introduces the pendulum equation at the very beginning, and the efficacy of various concepts and methods introduced throughout is subsequently tested by applying them to this example. Thus, the section on first integrals leads to the law of conservation of energy; the theorem on differentiation with respect to a parameter finds application in the "method of small parameters"; and the theory of linear equations with periodic coefficients merges naturally with the study of parametric resonance. This geometrical and physical specificity is made still more vivid through the inclusion of 259 line drawings and 260 exercises in which other examples are taken up. — This text refers to an out of print or unavailable edition of this title.
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Рубрика: Математика /
Статус предметного указателя: Готов указатель с номерами страниц
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Издание: 1st edition
Год издания: 1998
Количество страниц: 280
Добавлена в каталог: 10.12.2009
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Предметный указатель
-advance mapping 57
Admissible coordinate system(s) 34
Admissible coordinate system(s), class of 35
Analytic manifold 235
Andronov, A.A. 94n
Asymptotic stability 156 201n
Atlas(es) 235
Atlas(es), equivalent 235
Atlas(es), examples of 236—238
Auto-oscillations 92
Auto-oscillatory regime 92
Base of a tangent bundle 246
Beats 184
Bessel's equation 193
Brieskorn, E. 242n
Bundle space 243n
Cardano's Formula 32
Cauchy sequence 98n
Center 127 133
Characteristic equation 116
Characteristic frequencies 175
Chebotarev, N.G. 160n
Chebyshev polynomial 175
Chinn, W.G. 256n
Clairauf s theorem 271
Clairaut equation 67
Class 6
Commutator 75
Comparison theorem 17
Complex amplitude 182
Complex conjugate operator 122
Complexification of a space 120
Complexification of an operator 120
Complexified equation 129
Configuration space 79
Conservative system, with one degree of freedom 79
Contraction mapping(s) 211 220
Contraction mapping(s), applications of 222
Contraction mapping(s), fixed point of 212
Contraction mapping(s), theorem 212
Convex domain 78n
Coriolis force 66
Covariant functoriality 248
Critical point 81n
Critical value 81n
Curve(s), derivative of 122
Curve(s), index of 255
Curve(s), leaving a point 33 241
Curve(s), tangent 34
Curve(s), velocity vector of 33 34
Curve(s), velocity vector of, components of 33
Curve(s), with complex values 122
Decomplexification of a space 119
Decomplexification of an operator 120
Degree of a mapping 266
Degree of a mapping, at a regular point 264
Derivative in the direction of a field 73
Derivative in the direction of a vector 73
Derivative of a curve 122
Derivative of a mapping 37
Determinacy 1
Determinant of a matrix 111
Determinant of an operator 111
Determinant of the exponential of an operator 113
Determinant vs. trace 112
Diagonal operator 102 116
Diagonal operator, exponential of 102
Diffeomorphism 6
Diffeomorphism of a manifold 241
Differentiability 1 20n
Differentiability and Lipschitz conditions 217
Differentiability theorem 53
Differentiability theorem for equation of order n 62
Differentiability theorem for nonautonomous case 57
Differentiable function 6
Differentiable manifold(s) 6 234—243
Differentiable manifold(s) of class 235
Differentiable manifold(s), compact subset of 238
Differentiable manifold(s), connected 239
Differentiable manifold(s), countability condition for 236
Differentiable manifold(s), curve on 241
Differentiable manifold(s), diffeomorphic 241
Differentiable manifold(s), diffeomorphism of 241
Differentiable manifold(s), differentiable mapping of 241
Differentiable manifold(s), differentiable structure on 235
Differentiable manifold(s), disconnected 239
Differentiable manifold(s), disconnected, connected components of 239
Differentiable manifold(s), examples of 233 243
Differentiable manifold(s), finite-dimensional 6
Differentiable manifold(s), open subset of 238
Differentiable manifold(s), parallelizable 246
Differentiable manifold(s), parallelized 246
Differentiable manifold(s), separability condition for 235
Differentiable manifold(s), simply connected 242n
Differentiable manifold(s), tangent bundle of see "Tangent bundle"
Differentiable manifold(s), tangent space to 244
Differentiable manifold(s), vector field on 248
Differentiable manifold(s), vector tangent to 243
Differentiable mapping 6 241
Differentiable mapping, derivative of 33 37
Differentiable structure 35 234 235
Differential algebra 32n
Differential equation(s), basic theorem on 48
Differential equation(s), determined by a vector field 11
Differential equation(s), direct product of 24
Differential equation(s), direction field of 12
Differential equation(s), higher-order, systems of 170
Differential equation(s), integral curve of 12 31
Differential equation(s), integration of 32
Differential equation(s), linear see "Linear differential equations"
Differential equation(s), nonautonomous 28—33 56—59
Differential equation(s), normal form of 67
Differential equation(s), of order n 59 171
Differential equation(s), of order n, solution of 59
Differential equation(s), on manifolds 233—268
Differential equation(s), phase curve of 12
Differential equation(s), phase space of 12
Differential equation(s), phase space of, extended 12
Differential equation(s), solution of see "Solutions of a differential equation"
Differential equation(s), solved with respect to the highest derivative 67
Differential equation(s), system of 62 67
Differential equation(s), with separable variables 29
Differential equation(s), with variable coefficients 30
Differential operator, linear homogeneous 74
Differentiations as mappings 74
Direct product of differential equations 24
Direct product of sets 5
Direction field 12
Directional derivative 73
Dirichlet's s cell principle 164
Divergence 198
Eigenbasis 102
Eigenvalues of a linear differential equation, distinct 137—139
Eigenvalues of a linear differential equation, distinct real 115—119
Eigenvalues of a linear differential equation, multiple 167—176
Eigenvalues of a linear differential equation, purely imaginary 160—167
Elliptical rotations 133
Emde, F. 193n
Energy, conservation of 77 81
Energy, kinetic 80
Energy, level curves of 81
Energy, level curves of, critical 90
Energy, level curves of, noncritical 87
Energy, potential 80
Energy, total 80
Equation of variations 64 186 223 224
Equilibrium position 5 12 95
Equilibrium position, asymptotic stability of 156
Equilibrium position, Lyapunov stability of 155
Euler characteristic 262 267
Euler formula 108
Euler line 110 222
Euler's theorem on polyhedra 262
Everywhere dense set 163n
Existence theorem 50
Existence theorem for equation of order n 61
Existence theorem for nonautonomous case 57
Exponential of a complex number 108
Exponential of a complex operator 122
Exponential of a diagonal operator 102
Exponential of a nilpotent operator 103
Exponential of an operator 97 100 107 167
Exponential of an operator, determinant of 113
Exponential, group property of 104
Extended phase space 5 12
Extension of a solution 53
Extension of a solution, backward 53
Extension of a solution, for nonautonomous case 58
Extension of a solution, forward 53
Extension of a solution, of equation of order n 62
Extension of a solution, up to a subset 53
Fibonacci sequence 119
Filippov, A.F. 32n
Finite-dimensionality 1
First integral 75
First integral, local 77
First integral, time-dependent 78
Fixed point of a flow 5
Fixed point of a mapping 201 211
Fixed point of a mapping, asymptotically stable 201n
Fixed point of a mapping, stable, in Lyapunov's sense 201
Fixed point theorem 257
Focus 127
Focus, stable 127
Focus, unstable 127
Forced oscillations 183
Free oscillations 183
functors 121
Fundamental theorem of algebra 256
Galileo's law 9
Golubev, V.V. 227n
Graph of a mapping 5
Hadamard's lemma 85
Half-life 16
Hamilton's equations 63 77 198
Hamiltonian system 203
Hedgehog theorem 247
Hessian matrix 262
Homeomorphism 141
Homogeneous coordinates 233
Hypergeometric equation 193
Imaginary plane 121
Index of a singular point 258 266
Index of an oriented closed curve 255 263
Index of an oriented closed curve, properties of 255—256
Infinitely differentiable functions, linearly independent 176
Infinitely differentiable functions, space of 176
Infinitesimal generator 107
Initial condition 12 30
Integral curve 5 12 31
Integral part 164n
Invariant subspaces 131
Inverse function theorem 39
Involutory operator 121
Jacobi's identity 75
Jacobian matrix 38
Jahnke, E. 193n
Jordan block 167
Jordan block, nilpotent 168 181
Kamke, E. 32n
Kepler potential 83
Khaikin, S.E. 94n
Konstantinov, N.N. 2
Kurosh, A.G. 160n
Lavrentev, M.A. 160n
Level set 76
Levine, H.I. 265n
Lie algebra 75
Limit cycle 47 71
Limit cycle, stable 93
Limit cycle, unstable 93
Linear differential equations, basic theorem on 106
Linear differential equations, complexified 129
Linear differential equations, definition of 96 97
Linear differential equations, general solution of 138
Linear differential equations, homogeneous, with constant coefficients 97
Linear differential equations, homogeneous, with variable coefficients 188
Linear differential equations, in the plane 132
Linear differential equations, nonautonomous see "Nonautonomous linear equation"
Linear differential equations, nonhomogeneous 179
Linear differential equations, nonhomogeneous, solution of 179
Linear differential equations, space of solutions of 177
Linear differential equations, space of solutions of, invariance of, under shifts 178
Linear differential equations, with complex phase space 124
Linear differential equations, with complex phase space, basic theorem on 124
Linear differential equations, with complex phase space, solution of 124
Linear differential equations, with periodic coefficients 199—208
Linear differential equations, with periodic coefficients, stability of solutions of 201
Linear operator(s), complex conjugate of 122
Linear operator(s), determinant of 111
Linear operator(s), exponential of 97 100
Linear operator(s), invariant subspaces of 131
Linear operator(s), norm of 98
Linear operator(s), space of 98
Linear operator(s), trace of 112
Linear systems 95—210
Linear systems, differential equivalence of 143
Linear systems, linear equivalence of 142
Linear systems, singular points of, classification of 139—154
Linear systems, topological equivalence of 143—145
Linearization 95
Linearization, invariance of 95
Linearized Equation 96
Liouville's formula 114
Liouville's theorem 195
Liouville's theorem, stronger version of 198
Lipschitz condition 21
Lipschitz condition, with constant L 217
Lissajous figures 175
Local family of transformations 57
Local phase flow 51
Loesch, F. 193n
Logarithmic spiral 126
Lyapunov function 146
Lyapunov function, construction of 147
Lyapunov stability 155 201n
Manifold structure see "Differentiable structure"
Map(s) 234
Map(s), compatible 235
Map(s), image on a 234
Mathieu's equation 193 203n
Matrix of a linear system 97
Meiman, N.N. 160n
Method of complex amplitudes 182
Method of Euler lines 109
Method of small parameters 64
Metric 98n
Metric space 98n
Metric space, complete 98n
Metric space, convergence in 98n
Milnor spheres 242
Moebius strip 246
Morse's lemma 85
Mulchenko, Z.M. 16n
Nalimov, V.V. 16n
Natural frequencies 175
Newton's equation(s) 63 80
Newton's equation(s), extension of solutions of 86
Nilpotent operator 102
Nilpotent operator, exponential of 103
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