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E-grāmata: Introduction to Nonlinear Partial Differential Equations 2e 2nd Edition [Wiley Online]

(University of Nebraska, Lincoln, Nebraska)
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Praise for the First Edition: "This book is well conceived and well written. The author has succeeded in producing a text on nonlinear PDEs that is not only quite readable but also accessible to students from diverse backgrounds." SIAM Review

A practical introduction to nonlinear PDEs and their real-world applications

Now in a Second Edition, this popular book on nonlinear partial differential equations (PDEs) contains expanded coverage on the central topics of applied mathematics in an elementary, highly readable format and is accessible to students and researchers in the field of pure and applied mathematics. This book provides a new focus on the increasing use of mathematical applications in the life sciences, while also addressing key topics such as linear PDEs, first-order nonlinear PDEs, classical and weak solutions, shocks, hyperbolic systems, nonlinear diffusion, and elliptic equations. Unlike comparable books that typically only use formal proofs and theory to demonstrate results, An Introduction to Nonlinear Partial Differential Equations, Second Edition takes a more practical approach to nonlinear PDEs by emphasizing how the results are used, why they are important, and how they are applied to real problems.

The intertwining relationship between mathematics and physical phenomena is discovered using detailed examples of applications across various areas such as biology, combustion, traffic flow, heat transfer, fluid mechanics, quantum mechanics, and the chemical reactor theory. New features of the Second Edition also include:





Additional intermediate-level exercises that facilitate the development of advanced problem-solving skills



New applications in the biological sciences, including age-structure, pattern formation, and the propagation of diseases



An expanded bibliography that facilitates further investigation into specialized topics





With individual, self-contained chapters and a broad scope of coverage that offers instructors the flexibility to design courses to meet specific objectives, An Introduction to Nonlinear Partial Differential Equations, Second Edition is an ideal text for applied mathematics courses at the upper-undergraduate and graduate levels. It also serves as a valuable resource for researchers and professionals in the fields of mathematics, biology, engineering, and physics who would like to further their knowledge of PDEs.
Preface xi
Introduction to Partial Differential Equations
1(60)
Partial Differential Equations
2(18)
Equations and Solutions
2(3)
Classification
5(3)
Linear versus Nonlinear
8(3)
Linear Equations
11(9)
Conservation Laws
20(5)
One Dimension
20(3)
Higher Dimensions
23(2)
Constitutive Relations
25(10)
Initial and Boundary Value Problems
35(10)
Waves
45(16)
Traveling Waves
45(5)
Plane Waves
50(2)
Plane Waves and Transforms
52(2)
Nonlinear Dispersion
54(7)
First-Order Equations and Characteristics
61(52)
Linear First-Order Equations
62(6)
Advection Equation
62(2)
Variable Coefficients
64(4)
Nonlinear Equations
68(4)
Quasilinear Equations
72(9)
The General Solution
76(5)
Propagation of Singularities
81(5)
General First-Order Equation
86(8)
Complete Integral
91(3)
A Uniqueness Result
94(2)
Models in Biology
96(17)
Age Structure
96(5)
Structured Predator--Prey Model
101(2)
Chemotherapy
103(2)
Mass Structure
105(1)
Size-Dependent Predation
106(7)
Weak Solutions to Hyperbolic Equations
113(46)
Discontinuous Solutions
114(2)
Jump Conditions
116(9)
Rarefaction Waves
118(1)
Shock Propagation
119(6)
Shock Formation
125(6)
Applications
131(9)
Traffic Flow
132(4)
Plug Flow Chemical Reactors
136(4)
Weak Solutions: A Formal Approach
140(8)
Asymptotic Behavior of Shocks
148(11)
Equal-Area Principle
148(4)
Shock Fitting
152(2)
Asymptotic Behavior
154(5)
Hyperbolic Systems
159(50)
Shallow-Water Waves; Gas Dynamics
160(9)
Shallow-Water Waves
160(3)
Small-Amplitude Approximation
163(1)
Gas Dynamics
164(5)
Hyperbolic Systems and Characteristics
169(10)
Classification
170(9)
The Riemann Method
179(13)
Jump Conditions for Systems
179(2)
Breaking Dam Problem
181(2)
Receding Wall Problem
183(4)
Formation of a Bore
187(3)
Gas Dynamics
190(2)
Hodographs and Wavefronts
192(9)
Hodograph Transformation
192(1)
Wavefront Expansions
193(8)
Weakly Nonlinear Approximations
201(8)
Derivation of Burgers' Equation
202(7)
Diffusion Processes
209(48)
Diffusion and Random Motion
210(7)
Similarity Methods
217(7)
Nonlinear Diffusion Models
224(10)
Reaction--Diffusion; Fisher's Equation
234(11)
Traveling Wave Solutions
235(3)
Perturbation Solution
238(2)
Stability of Traveling Waves
240(2)
Nagumo's Equation
242(3)
Advection--Diffusion; Burgers' Equation
245(5)
Traveling Wave Solution
246(1)
Initial Value Problem
247(3)
Asymptotic Solution to Burgers' Equation
250(7)
Evolution of a Point Source
252(5)
Appendix: Dynamical Systems
257(130)
Reaction--Diffusion Systems
267(78)
Reaction--Diffusion Models
268(9)
Predator--Prey Model
270(1)
Combustion
271(3)
Chemotaxis
274(3)
Traveling Wave Solutions
277(15)
Model for the Spread of a Disease
278(6)
Contaminant Transport in Groundwater
284(8)
Existence of Solutions
292(17)
Fixed-Point Iteration
293(4)
Semilinear Equations
297(3)
Normed Linear Spaces
300(3)
General Existence Theorem
303(6)
Maximum Principles and Comparison Theorems
309(8)
Maximum Principles
309(5)
Comparison Theorems
314(3)
Energy Estimates and Asymptotic Behavior
317(16)
Calculus Inequalities
318(2)
Energy Estimates
320(6)
Invariant Sets
326(7)
Pattern Formation
333(12)
Equilibrium Models
345(42)
Elliptic Models
346(6)
Theoretical Results
352(6)
Maximum Principle
353(2)
Existence Theorem
355(3)
Eigenvalue Problems
358(6)
Linear Eigenvalue Problems
358(3)
Nonlinear Eigenvalue Problems
361(3)
Stability and Bifurcation
364(23)
Ordinary Differential Equations
364(4)
Partial Differential Equations
368(19)
References 387(8)
Index 395
J. David Logan, PhD, is Willa Cather Professor of Mathematics at the University of NebraskaLincoln. He has authored several texts on elementary differential equations and beginning partial differential equations, including Applied Mathematics, Third Edition, also published by Wiley. Dr. Logan's research interests include mathematical physics, combustion and detonation, hydrogeology, and mathematical biology.