Free Boundary Problems in PDEs and Particle Systems. 1st ed. 2016

種類:

電子ブック

責任表示:

by Gioia Carinci, Anna De Masi, Cristian Giardina, Errico Presutti

出版情報:

Cham : Springer International Publishing : Imprint: Springer, 2016

著者名:

• Carinci, Gioia.
• De Masi, Anna.
• Giardina, Cristian.
• Presutti, Errico.
• SpringerLink (Online service)

シリーズ名:

SpringerBriefs in Mathematical Physics ; 12

ISBN:

9783319333700 [3319333704]    

注記:

Introduction -- Part I The basic model -- Introduction to Part I -- The basic model, definitions and results -- Regularity properties of the barriers -- Lipschitz and L1 estimates -- Mass transport inequalities -- The limit theorems on barriers -- Brownian motion and the heat equation -- Existence of optimal sequences -- Proof of the main theorem -- The basic particle model and its hydrodynamic limit -- Part II Variants of the basic model -- Introduction to Part II -- Independent walkers with current reservoirs -- Beyond diffusive scaling -- Other models.
In this volume a theory for models of transport in the presence of a free boundary is developed. Macroscopic laws of transport are described by PDE's. When the system is open, there are several mechanisms to couple the system with the external forces. Here a class of systems where the interaction with the exterior takes place in correspondence of a free boundary is considered. Both continuous and discrete models sharing the same structure are analysed. In Part I a free boundary problem related to the Stefan Problem is worked out in all details. For this model a new notion of relaxed solution is proposed for which global existence and uniqueness is proven. It is also shown that this is the hydrodynamic limit of the empirical mass density of the associated particle system. In Part II several other models are discussed. The expectation is that the results proved for the basic model extend to these other cases. All the models discussed in this volume have an interest in problems arising in several research fields

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