Stochastic Partial Differential Equations: An Introduction
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Beschreibung
This book provides an introduction to the theory of stochastic partial differential equations (SPDEs) of evolutionary type. SPDEs are one of the main research directions in probability theory with several wide ranging applications. Many types of dynamics with stochastic influence in nature or man-made complex systems can be modelled by such equations. The theory of SPDEs is based both on the theory of deterministic partial differential equations, as well as on modern stochastic analysis.
Whilst this volume mainly follows the ‘variational approach’, it also contains a short account on the ‘semigroup (or mild solution) approach’. In particular, the volume contains a complete presentation of the main existence and uniqueness results in the case of locally monotone coefficients. Various types of generalized coercivity conditions are shown to guarantee non-explosion, but also a systematic approach to treat SPDEs with explosion in finite time is developed. It is, so far, the only book where the latter and the ‘locally monotone case’ is presented in a detailed and complete way for SPDEs. The extension to this more general framework for SPDEs, for example, in comparison to the well-known case of globally monotone coefficients, substantially widens the applicability of the results. In addition, it leads to a unified approach and to simplified proofs in many classical examples. These include a large number of SPDEs not covered by the ‘globally monotone case’, such as, for exa
mple, stochastic Burgers or stochastic 2D and 3D Navier-Stokes equations, stochastic Cahn-Hilliard equations and stochastic surface growth models.To keep the book self-contained and prerequisites low, necessary results about SDEs in finite dimensions are also included with complete proofs as well as a chapter on stochastic integration on Hilbert spaces. Further fundamentals (for example, a detailed account on the Yamada-Watanabe theorem in infinite dimensions) used in the book have added proofs in the appendix. The book can be used as a textbook for a one-year graduate course.
This book provides an introduction to the theory of stochastic partial differential equations (SPDEs) of evolutionary type. SPDEs are one of the main research directions in probability theory with several wide ranging applications. Many types of dynamics with stochastic influence in nature or man-made complex systems can be modelled by such equations. The theory of SPDEs is based both on the theory of deterministic partial differential equations, as well as on modern stochastic analysis.
Whilst this volume mainly follows the ‘variational approach’, it also contains a short account on the ‘semigroup (or mild solution) approach’. In particular, the volume contains a complete presentation of the main existence and uniqueness results in the case of locally monotone coefficients. Various types of generalized coercivity conditions are shown to guarantee non-explosion, but also a systematic approach to treat SPDEs with explosion in finite time is developed. It is, so far, the only book where the latter and the ‘locally monotone case’ is presented in a detailed and complete way for SPDEs. The extension to this more general framework for SPDEs, for example, in comparison to the well-known case of globally monotone coefficients, substantially widens the applicability of the results.
A concise and as self-contained as possible introduction to the ‘variational approach’ of SPDEs Provides a very detailed introduction to stochastic integration on Hilbert spaces Includes a complete proof of the finite-dimensional case using the Euler approximation
Autor*in
Wei Liu
Themen in »Stochastic Partial Differential Equations: An Introduction«
Explosive Solutions Gelfand Triples Generalized Coercivity Girsanov Theorem on Hilbert Invariant Measures Itô-Formula Locally Monotone Coefficients Markov Property Stochastic 2D and 3D Navier-Stokes Equation Stochastic Cahn-Hilliard Equations Stochastic Evolution Equations Stochastic Integration on Hilbert Spaces Stochastic Partial Differential Equations Stochastic Porous Media Equations Stochastic Surface Growth Models
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“The volume contains a complete presentation of the main existence and uniqueness results in the case of locally monotone coefficients. … To keep the book self-contained, necessary results about SDEs in finite dimensions are also included with complete proofs, as well as a chapter on stochastic integration on Hilbert spaces. … graduate students and researchers who are interested in this area will find it a clear introduction.” (Richard Durrett, MAA Reviews, maa.org, August, 2016)
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