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Nonlocal diffusion and applications

Bucur, Claudia.

Nonlocal diffusion and applications

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Nonlocal diffusion and applicationsby Claudia Bucur, Enrico Valdinoci.
作者:	Bucur, Claudia.
其他作者:	Valdinoci, Enrico.
出版者:	Cham :Springer International Publishing :2016.
面頁冊數:	xii, 155 p. :ill., digital ;24 cm.
Contained By:	Springer eBooks
標題:	Harmonic functions.
電子資源:	http://dx.doi.org/10.1007/978-3-319-28739-3
ISBN:	9783319287393$q(electronic bk.)

Nonlocal diffusion and applications
Bucur, Claudia.

Nonlocal diffusion and applications[electronic resource] /by Claudia Bucur, Enrico Valdinoci. - Cham :Springer International Publishing :2016. - xii, 155 p. :ill., digital ;24 cm. - Lecture notes of the Unione Matematica Italiana,201862-9113 ;. - Lecture notes of the Unione Matematica Italiana ;15..

Introduction -- 1 A probabilistic motivation -- 1.1 The random walk with arbitrarily long jumps -- 1.2 A payoff model -- 2 An introduction to the fractional Laplacian -- 2.1 Preliminary notions -- 2.2 Fractional Sobolev Inequality and Generalized Coarea Formula -- 2.3 Maximum Principle and Harnack Inequality -- 2.4 An s-harmonic function -- 2.5 All functions are locally s-harmonic up to a small error -- 2.6 A function with constant fractional Laplacian on the ball -- 3 Extension problems -- 3.1 Water wave model -- 3.2 Crystal dislocation -- 3.3 An approach to the extension problem via the Fourier transform -- 4 Nonlocal phase transitions -- 4.1 The fractional Allen-Cahn equation -- 4.2 A nonlocal version of a conjecture by De Giorgi -- 5 Nonlocal minimal surfaces -- 5.1 Graphs and s-minimal surfaces -- 5.2 Non-existence of singular cones in dimension 2 5.3 Boundary regularity -- 6 A nonlocal nonlinear stationary Schrodinger type equation -- 6.1 From the nonlocal Uncertainty Principle to a fractional weighted inequality -- Alternative proofs of some results -- A.1 Another proof of Theorem A.2 Another proof of Lemma 2.3 -- References.

Working in the fractional Laplace framework, this book provides models and theorems related to nonlocal diffusion phenomena. In addition to a simple probabilistic interpretation, some applications to water waves, crystal dislocations, nonlocal phase transitions, nonlocal minimal surfaces and Schrodinger equations are given. Furthermore, an example of an s-harmonic function, its harmonic extension and some insight into a fractional version of a classical conjecture due to De Giorgi are presented. Although the aim is primarily to gather some introductory material concerning applications of the fractional Laplacian, some of the proofs and results are new. The work is entirely self-contained, and readers who wish to pursue related subjects of interest are invited to consult the rich bibliography for guidance.

ISBN: 9783319287393$q(electronic bk.)

Standard No.: 10.1007/978-3-319-28739-3doiSubjects--Topical Terms:

205716
Harmonic functions.

LC Class. No.: QA405

Dewey Class. No.: 515.53

Nonlocal diffusion and applications
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505 0 $a Introduction -- 1 A probabilistic motivation -- 1.1 The random walk with arbitrarily long jumps -- 1.2 A payoff model -- 2 An introduction to the fractional Laplacian -- 2.1 Preliminary notions -- 2.2 Fractional Sobolev Inequality and Generalized Coarea Formula -- 2.3 Maximum Principle and Harnack Inequality -- 2.4 An s-harmonic function -- 2.5 All functions are locally s-harmonic up to a small error -- 2.6 A function with constant fractional Laplacian on the ball -- 3 Extension problems -- 3.1 Water wave model -- 3.2 Crystal dislocation -- 3.3 An approach to the extension problem via the Fourier transform -- 4 Nonlocal phase transitions -- 4.1 The fractional Allen-Cahn equation -- 4.2 A nonlocal version of a conjecture by De Giorgi -- 5 Nonlocal minimal surfaces -- 5.1 Graphs and s-minimal surfaces -- 5.2 Non-existence of singular cones in dimension 2 5.3 Boundary regularity -- 6 A nonlocal nonlinear stationary Schrodinger type equation -- 6.1 From the nonlocal Uncertainty Principle to a fractional weighted inequality -- Alternative proofs of some results -- A.1 Another proof of Theorem A.2 Another proof of Lemma 2.3 -- References.
520 $a Working in the fractional Laplace framework, this book provides models and theorems related to nonlocal diffusion phenomena. In addition to a simple probabilistic interpretation, some applications to water waves, crystal dislocations, nonlocal phase transitions, nonlocal minimal surfaces and Schrodinger equations are given. Furthermore, an example of an s-harmonic function, its harmonic extension and some insight into a fractional version of a classical conjecture due to De Giorgi are presented. Although the aim is primarily to gather some introductory material concerning applications of the fractional Laplacian, some of the proofs and results are new. The work is entirely self-contained, and readers who wish to pursue related subjects of interest are invited to consult the rich bibliography for guidance.
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