Preface to Third Edition |
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xi | |
Preface to Second Edition |
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xv | |
Preface to First Edition |
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xvii | |
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1 | (50) |
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3 | (6) |
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9 | (3) |
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0.3 Reaction-Diffusion Problems |
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12 | (6) |
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0.4 The Impulse-Momentum Law: The Motion of Rods and Strings |
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18 | (12) |
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0.5 Alternative Formulations of Physical Problems |
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30 | (6) |
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36 | (5) |
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0.7 The Lebesgue Integral |
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41 | (10) |
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1 Green's Functions (Intuitive Ideas) |
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51 | (40) |
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1.1 Introduction and General Comments |
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51 | (9) |
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60 | (12) |
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1.3 The Maximum Principle |
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72 | (4) |
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1.4 Examples of Green's Functions |
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76 | (15) |
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2 The Theory of Distributions |
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91 | (94) |
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2.1 Basic Ideas, Definitions, and Examples |
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91 | (19) |
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2.2 Convergence of Sequences and Series of Distributions |
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110 | (17) |
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127 | (18) |
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2.4 Fourier Transforms and Integrals |
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145 | (19) |
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2.5 Differential Equations in Distributions |
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164 | (17) |
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2.6 Weak Derivatives and Sobolev Spaces |
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181 | (4) |
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3 One-Dimensional Boundary Value Problems |
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185 | (38) |
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185 | (6) |
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3.2 Boundary Value Problems for Second-Order Equations |
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191 | (11) |
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3.3 Boundary Value Problems for Equations of Order p |
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202 | (4) |
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206 | (10) |
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3.5 Modified Green's Functions |
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216 | (7) |
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4 Hilbert and Banach Spaces |
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223 | (76) |
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4.1 Functions and Transformations |
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223 | (4) |
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227 | (7) |
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4.3 Metric Spaces, Normed Linear Spaces, and Banach Spaces |
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234 | (11) |
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4.4 Contractions and the Banach Fixed-Point Theorem |
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245 | (16) |
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4.5 Hilbert Spaces and the Projection Theorem |
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261 | (14) |
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4.6 Separable Hilbert Spaces and Orthonormal Bases |
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275 | (13) |
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4.7 Linear Functionals and the Riesz Representation Theorem |
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288 | (4) |
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4.8 The Hahn-Banach Theorem and Reflexive Banach Spaces |
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292 | (7) |
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299 | (52) |
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5.1 Basic Ideas and Examples |
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299 | (8) |
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307 | (4) |
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5.3 Invertibility: The State of an Operator |
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311 | (5) |
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316 | (5) |
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5.5 Solvability Conditions |
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321 | (5) |
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5.6 The Spectrum of an Operator |
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326 | (10) |
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336 | (3) |
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5.8 Extremal Properties of Operators |
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339 | (8) |
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5.9 The Banach-Schauder and Banach-Steinhaus Theorems |
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347 | (4) |
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351 | (58) |
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351 | (8) |
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6.2 Fredholm Integral Equations |
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359 | (11) |
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6.3 The Spectrum of a Self-Adjoint Compact Operator |
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370 | (9) |
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6.4 The Inhomogeneous Equation |
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379 | (16) |
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6.5 Variational Principles and Related Approximation Methods |
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395 | (14) |
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7 Spectral Theory of Second-Order Differential Operators |
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409 | (50) |
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7.1 Introduction; The Regular Problem |
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409 | (23) |
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7.2 Weyl's Classification of Singular Problems |
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432 | (12) |
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7.3 Spectral Problems with a Continuous Spectrum |
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444 | (15) |
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8 Partial Differential Equations |
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459 | (98) |
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8.1 Classification of Partial Differential Equations |
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459 | (13) |
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8.2 Well-Posed Problems for Hyperbolic and Parabolic Equations |
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472 | (17) |
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489 | (25) |
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8.4 Variational Principles for Inhomogeneous Problems |
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514 | (37) |
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8.5 The Lax-Milgram Theorem |
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551 | (6) |
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557 | (80) |
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9.1 Introduction and Basic Fixed-Point Techniques |
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557 | (19) |
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576 | (8) |
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9.3 Perturbation Theory for Linear Problems |
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584 | (10) |
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9.4 Techniques for Nonlinear Problems |
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594 | (29) |
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9.5 The Stability of the Steady State |
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623 | (14) |
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10 Approximation Theory and Methods |
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637 | (208) |
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10.1 Nonlinear Analysis Tools for Banach Spaces |
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640 | (29) |
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10.2 Best and Near-Best Approximation in Banach Spaces |
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669 | (22) |
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10.3 Overview of Sobolev and Besov Spaces |
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691 | (19) |
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10.4 Applications to Nonlinear Elliptic Equations |
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710 | (26) |
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10.5 Finite Element and Related Discretization Methods |
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736 | (33) |
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10.6 Iterative Methods for Discretized Linear Equations |
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769 | (41) |
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10.7 Methods for Nonlinear Equations |
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810 | (35) |
Index |
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845 | |