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Intro  Contents  Preface  Chapter 1 Newtonian Filtration Equations  1.1 Introduction  1.1.1 Physical examples  1.1.2 Definitions of generalized solutions  1.1.3 Special solutions  1.2 Existence and Uniqueness of Solutions: One Dimensional Case  1.2.1 Uniqueness of solutions  1.2.2 Existence of solutions  1.2.3 Comparison theorems  1.2.4 Some extensions  1.3 Existence and Uniqueness of Solutions: Higher Dimensional Case  1.3.1 Comparison theorem and uniqueness of solutions  1.3.2 Existence of solutions  1.3.3 Some extensions  1.4 Regularity of Solutions: One Dimensional Case  1.4.1 Lemma  1.4.2 Regularity of solutions  1.4.3 Some extensions  1.5 Regularity of Solutions: Higher Dimensional Case  1.5.1 Generalized class B2  1.5.2 Some lemmas  1.5.3 Properties of functions in the generalized class B2  1.5.4 Holder continuity of solutions  1.6 Properties of the Free Boundary: One Dimensional Case  1.6.1 Finite propagation of disturbances  1.6.2 Localization and extinction of disturbances  1.6.3 Differential equation on the free boundary  1.6.4 Continuously differentiability of the free boundary  1.6.5 Some further results  1.7 Properties of the Free Boundary: Higher Dimensional Case  1.7.1 Monotonicity and Holder continuity of the free boundary  1.7.2 Lipschitz continuity of the free boundary  1.7.3 Differential equation on the free boundary  1.8 Initial Trace of Solutions  1.8.1 Harnack inequality  1.8.2 Main result  1.8.3 Extension of existence and uniqueness theorem  1.9 Other Problems  1.9.1 Equations with strongly nonlinear sources  1.9.2 Asymptotic properties of solutions  Chapter 2 NonNewtonian Filtration Equations  2.1 Introduction Preliminary Knowledge  2.1.1 Introduction Physical example  2.1.2 Basic spaces and some lemmas 

2.1.3 Definitions of generalized solutions  2.1.4 Special solutions  2.2 Existence of Solutions  2.2.1 The case u0 E C∞0 (RN) or u0 E L1(RN) n L∞(RN)  2.2.2 The case u0 E L1loc(RN)  2.2.3 Some remarks  2.3 Harnack Inequality and the Initial Trace of Solutions  2.3.1 Local Harnack inequality  2.3.2 Global Harnack inequality  2.3.3 Initial trace of solutions  2.4 Regularity of Solutions  2.4.1 Boundedness of solutions  2.4.2 Boundedness of the gradient of solutions  2.4.3 Holder continuity of solutions  2.4.4 Holder continuity of the gradient of solutions  2.5 Uniqueness of Solutions  2.5.1 Auxiliary propositions  2.5.2 Uniqueness theorem and its proof  2.6 Properties of the Free Boundary  2.6.1 Monotonicity and Holder continuity of the free boundary  2.6.2 Lipschitz continuity of the free boundary  2.7 Other Problems  2.7.1 pLaplacian equation with strongly nonlinear sources  2.7.2 Asymptotic properties of solutions  Chapter 3 General Quasilinear Equations of Second Order  3.1 Introduction  3.2 Weakly Degenerate Equations in One Dimension  3.2.1 Uniqueness of bounded and measurable solutions  3.2.2 Existence of continuous solutions  3.2.3 Holder continuity of solutions  3.2.4 Some extensions  3.3 Weakly Degenerate Equations in Higher Dimension  3.3.1 Existence of continuous solutions for equations with two points of degeneracy  3.3.2 Uniqueness of BV solutions  3.3.3 Existence of BV solutions  3.3.4 Some extensions  3.4 Strongly Degenerate Equations in One Dimension  3.4.1 Definitions of solutions with discontinuity  3.4.2 Interior discontinuity condition  3.4.3 Uniqueness of BV solutions of the Cauchy problem  3.4.4 Formulation of the boundary value problem  3.4.5 Boundary discontinuity condition  3.4.6 Uniqueness of BV solutions of the first boundary value problem 

3.4.7 Existence of BV solutions of the first boundary value problem  3.4.8 Some extensions  3.4.9 Equations with degeneracy at infinity  3.4.10 Properties of the curves of discontinuity  3.5 Degenerate Equations in Higher Dimension without Terms of Lower Order  3.5.1 Uniqueness of bounded and integrable solutions  3.5.2 A lemma on weak convergence  3.5.3 Existence of solutions  3.5.4 Finite propagation of disturbances  3.6 General Strongly Degenerate Equations in Higher Dimension  3.6.1 Existence of BV solutions  3.6.2 Some extensions  3.7 Appendix Classes BV and BVx  Chapter 4 Nonlinear Diffusion Equations of Higher Order  4.1 Introduction  4.2 Similarity Solutions of a Fourth Order Equation  4.2.1 Definition of similarity solutions  4.2.2 Existence and uniqueness of global solutions of the Cauchy problem  4.2.3 Regularity of solutions  4.2.4 Properties of solutions at zero points  4.2.5 Properties of unbounded solutions  4.2.6 Bounded solutions on the half line  4.2.7 Bounded solutions on the whole line  4.2.8 Properties of solutions in typical cases k = 1,2,3,4  4.2.9 Behavior of similarity solutions as t > 0+  4.3 Equations with DoubleDegeneracy  4.3.1 Existence of solutions  4.3.2 Uniqueness of solutions  4.3.3 Weighted energy equality of solutions  4.3.4 Some auxiliary inequalities  4.3.5 Finite propagation of disturbances  4.3.6 Asymptotic behavior of solutions  4.3.7 Extinction of solutions at finite time  4.3.8 Nonexistence of nonnegative solutions  4.3.9 Infinite propagation case  4.4 CahnHilliard Equation with Constant Mobility  4.4.1 Existence of classical solutions  4.4.2 Blowingup of solutions  4.4.3 Global existence of solutions for small initial value  4.5 CahnHilliard Equations with Positive Concentration Dependent Mobility 

4.5.1 A modified Campanato space  4.5.2 Holder norm estimates for a linear problem  4.5.3 Zero potential case  4.5.4 General case  4.6 Thin Film Equation  4.6.1 Definition of generalized solutions  4.6.2 Approximate solutions  4.6.3 Existence of solutions  4.6.4 Nonnegativity of solutions  4.6.5 Zeros of nonnegative solutions  4.6.6 Regularity of solutions  4.6.7 Monotonicity of the support of solutions  4.7 CahnHilliard Equation with Degenerate Mobility  4.7.1 Models with degenerate mobility  4.7.2 Definition of physical solutions  4.7.3 Existence of solutions  4.7.4 Physical solutions  Bibliography 

Nonlinear diffusion equations, an important class of parabolic equations, come from a variety of diffusion phenomena which appear widely in nature. They are suggested as mathematical models of physical problems in many fields, such as filtration, phase transition, biochemistry and dynamics of biological groups. In many cases, the equations possess degeneracy or singularity. The appearance of degeneracy or singularity makes the study more involved and challenging. Many new ideas and methods have been developed to overcome the special difficulties caused by the degeneracy and singularity, which enrich the theory of partial differential equations. This book provides a comprehensive presentation of the basic problems, main results and typical methods for nonlinear diffusion equations with degeneracy. Some results for equations with singularity are touched upon. Contents: Newtonian Filtration Equations: Existence and Uniqueness of Solutions: One Dimensional Case; Existence and Uniqueness of Solutions: Higher Dimensional Case; Regularity of Solutions: One Dimensional Case; Regularity of Solutions: Higher Dimensional Case; Properties of the Free Boundary: One Dimensional Case; Properties of the Free Boundary: Higher Dimensional Case; Initial Trace of Solutions; Other Problems; NonNewtonian Filtration Equations: Existence of Solutions; Harnack Inequality and Initial Trace of Solutions; Regularity of Solutions; Uniqueness of Solutions; Properties of the Free Boundary; Other Problems; General Quasilinear Equations of Second Order: Weakly Degenerate Equations in One Dimension; Weakly Degenerate Equations in Higher Dimension; Strongly Degenerate Equations in One Dimension; Degenerate Equations in Higher Dimension without Terms of Lower Order; General Strongly Degenerate Equations in Higher Dimension; Classes BV and BV x; Nonlinear Diffusion Equations of 

Higher Order: Similarity Solutions of a Fourth Order Equation; Equations with DoubleDegeneracy; CahnHilliard Equation with Constant Mobility; CahnHilliard Equations with Positive Concentration Dependent Mobility; Thin Film Equation; CahnHilliard Equation with Degenerate Mobility. Readership: Researchers, lecturers and graduate students in the fields of analysis and differential equations, mathematical physics and fluid mechanics 

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2020. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries 
Link 
Print version: Li, Huilai Nonlinear Diffusion Equations
Singapore : World Scientific Publishing Company,c2001 9789810247188

Subject 
Burgers equation.;Heat equation


Electronic books

Alt Author 
Wu, Zhuoqun


Yin, Jingxue


Zhao, Junning

