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Critical Extremals
Minimizing Extremals g: Fixed Endpoints 9
The Euler Equations 9
The Existence of Extremals Near g 13
The Necessary Conditions of Weierstrass and Legendre 17
The Jacobi Condition 19
Conjugate Points in the Nonsingular Case 23
The Hilbert Integral 31
Sufficient Conditions 39
The Algebraic Index of a Critical Extremal g 48
General End Conditions C[subscript r], Locally Defined 49
C[subscript r]-Transversality Conditions on g 53
The Second Variation of (J,C[subscript r]), r > 0 56
Critical Secondary Extremals: Endpoints Variable 64
Critical Secondary Extremals: Endpoints Fixed 73
Quadratic Index Forms, Derived and Free
Derived Index Forms 79
The Framed Family [Gamma superscript lambda] of Broken [lambda]-Extremals 79
The "Geometric" Index of a Critical Extremal g 85
Free Index Forms 93
Free Linear Differential and Boundary Conditions 93
Relative Minima under General End Conditions C[subscript r] 106
Focal Conditions and Sturm-Like Theorems
The Focal Point Theorem 117
Focal Conditions, Derived andFree 117
Conjugate Families (von Escherich) 124
Proof of Focal Point Theorem 17.3 128
Sturm-Like Theorems in E[subscript m+1] 140
The Separation Theorem in E[subscript m+1] 140
Comparison of Free Focal Conditions 144
The Sturm Comparisons When m = 1 155
The Variation of Conjugate Points 164
General Boundary Conditions
The Oscillation Number, Index W[subscript 0] 169
Conjugate Points and Characteristic Roots 169
The Auxiliary Theorem on Quadratic Forms 172
Proof of Oscillation Theorem 24.1 174
Quadratic End Forms of the System W[subscript r] 176
A Minimizing Periodic Extremal g 181
Selfadjoint Boundary Conditions 185
General Mixed Boundary Conditions 185
Conditions for Selfadjointness 188
The Reduction of Selfadjoint BC to Canonical Form 190
Prestructures for Characteristic Root Theory
Admissible Canonical Systems W[subscript r] 197
The Dependence on [lambda] 197
Canonical Systems W[subscript r] 202
The Existence of Characteristic Roots 209
Selfconjugate Limit Values 209
Comparison of Characteristic Roots 216
The W[subscript r]-Nuclear Comparison Test 219
Oscillation Criteria 224
Free Linear Conditions
Free Second-Order Differential Equations 229
Solution of the Differential Equations (1.5) 231
Conjugate Points 232
Second-Order DE with a Parameter [alpha] 236
The End Space ((W[subscript r])) of W[subscript r] 238
Subordinate Quadratic Forms and Their Complementary Forms
Auxiliary Theorem 25.1 241
The Case of a Nonsingular Form P(0,s) 243
Proof of Theorem 25.1 Completed 246
Model Families of Quadratic Forms
Model Families F 250
Model Families G 251
The Principal Theorem of Appendix III 253
References 255
Index 259
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Add Variational Analysis: Critical Extremals and Sturmian Extensions, This text presents extended separation, comparison, and oscillation theorems that replace classical analysis of Legendre, Jacobi, and Hilbert. Its analysis of related quadratic functionals shows how critical extremals can substitute for minimizing extrema, Variational Analysis: Critical Extremals and Sturmian Extensions to the inventory that you are selling on WonderClubX
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Add Variational Analysis: Critical Extremals and Sturmian Extensions, This text presents extended separation, comparison, and oscillation theorems that replace classical analysis of Legendre, Jacobi, and Hilbert. Its analysis of related quadratic functionals shows how critical extremals can substitute for minimizing extrema, Variational Analysis: Critical Extremals and Sturmian Extensions to your collection on WonderClub |