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The Lévy Laplacian is an infinite-dimensional generalization of the well-known classical Laplacian. The theory has become well developed in recent years and this book was the first systematic treatment of the Lévy-Laplace operator. The book describes the infinite-dimensional analogues of finite-dimensional results, and more especially those features which appear only in the generalized context. It develops a theory of operators generated by the Lévy Laplacian and the symmetrized Lévy Laplacian, as well as a theory of linear and nonlinear equations involving it. There are many problems leading to equations with Lévy Laplacians and to Lévy-Laplace operators, for example superconductivity theory, the theory of control systems, the Gauss random field theory, and the Yang-Mills equation. The book is complemented by an exhaustive bibliography. The result is a work that will be valued by those working in functional analysis, partial differential equations and probability theory.
Functional analysis --- Laplacian operator. --- Lévy processes. --- Harmonic functions. --- Functions, Harmonic --- Laplace's equations --- Bessel functions --- Differential equations, Partial --- Fourier series --- Harmonic analysis --- Lamé's functions --- Spherical harmonics --- Toroidal harmonics --- Random walks (Mathematics) --- Operator, Laplacian --- Levy processes.
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Harmonic analysis. Fourier analysis --- Harmonic functions --- 517.57 --- Functions, Harmonic --- Laplace's equations --- Bessel functions --- Differential equations, Partial --- Fourier series --- Harmonic analysis --- Lamé's functions --- Spherical harmonics --- Toroidal harmonics --- Harmonic functions and their generalizations. Subharmonic functions. Polyharmonic functions. Plurisubharmonic functions --- Harmonic functions. --- 517.57 Harmonic functions and their generalizations. Subharmonic functions. Polyharmonic functions. Plurisubharmonic functions
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This works focuses on regularity theory for solutions to the p-Laplace equation in the Heisenberg group. In particular, it presents detailed proofs of smoothness for solutions to the non-degenerate equation and of Lipschitz regularity for solutions to the degenerate one. An introductory chapter presents the basic properties of the Heisenberg group, making the coverage self-contained. The setting is the first Heisenberg group, helping to keep the notation simple and allow the reader to focus on the core of the theory and techniques in the field. Further, detailed proofs make the work accessible to students at the graduate level.
Calculus --- Mathematics --- Physical Sciences & Mathematics --- Laplacian operator. --- Harmonic functions. --- Functions, Harmonic --- Laplace's equations --- Operator, Laplacian --- Mathematics. --- Differential equations. --- Ordinary Differential Equations. --- Bessel functions --- Differential equations, Partial --- Fourier series --- Harmonic analysis --- Lamé's functions --- Spherical harmonics --- Toroidal harmonics --- Differential Equations. --- 517.91 Differential equations --- Differential equations
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This comprehensive monograph is ideal for established researchers in the field and also graduate students who wish to learn more about the subject. The text is made accessible to a broad audience as it does not require any knowledge of Lie groups and only a limited knowledge of differential geometry. The author's primary emphasis is on potential theory on the hyperbolic ball, but many other relevant results for the hyperbolic upper half-space are included both in the text and in the end-of-chapter exercises. These exercises expand on the topics covered in the chapter and involve routine computations and inequalities not included in the text. The book also includes some open problems, which may be a source for potential research projects.
Harmonic functions. --- Subharmonic functions. --- Hyperbolic spaces. --- Hyperbolic complex manifolds --- Manifolds, Hyperbolic complex --- Spaces, Hyperbolic --- Geometry, Non-Euclidean --- Functions, Subharmonic --- Functions of real variables --- Potential theory (Mathematics) --- Functions, Harmonic --- Laplace's equations --- Bessel functions --- Differential equations, Partial --- Fourier series --- Harmonic analysis --- Lamé's functions --- Spherical harmonics --- Toroidal harmonics
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Complex analysis --- 51 --- Functions of several complex variables --- Functions, Entire --- Harmonic functions --- Functions, Harmonic --- Laplace's equations --- Bessel functions --- Differential equations, Partial --- Fourier series --- Harmonic analysis --- Lamé's functions --- Spherical harmonics --- Toroidal harmonics --- Entire functions --- Functions, Integral --- Integral functions --- Functions of complex variables --- Complex variables --- Several complex variables, Functions of --- Mathematics --- Functions of several complex variables. --- Functions, Entire. --- Harmonic functions. --- 51 Mathematics --- Fonctions de plusieurs variables complexes --- Fonctions entières --- Fonctions entières. --- Fonctions harmoniques
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No detailed description available for "Analyticity in Infinite Dimensional Spaces".
Variétés (mathématiques) --- Applications holomorphes. --- Manifolds (Mathematics) --- Holomorphic mappings. --- Analytic functions. --- Harmonic functions. --- Analytic mappings. --- Mappings, Analytic --- Functions of several complex variables --- Mappings (Mathematics) --- Functions, Harmonic --- Laplace's equations --- Bessel functions --- Differential equations, Partial --- Fourier series --- Harmonic analysis --- Lamé's functions --- Spherical harmonics --- Toroidal harmonics --- Functions, Analytic --- Functions, Monogenic --- Functions, Regular --- Regular functions --- Functions of complex variables --- Series, Taylor's --- Plurisubharmonic functions --- Fonctions de plusieurs variables complexes --- Fonctions plurisousharmoniques --- Functions of several complex variables. --- Variétés (mathématiques) --- Applications holomorphes --- Fonctions analytiques
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This book is devoted to boundary value problems of the Laplace equation on bounded and unbounded Lipschitz domains. It studies the Dirichlet problem, the Neumann problem, the Robin problem, the derivative oblique problem, the transmission problem, the skip problem and mixed problems. It also examines different solutions - classical, in Sobolev spaces, in Besov spaces, in homogeneous Sobolev spaces and in the sense of non-tangential limit. It also explains relations between different solutions. The book has been written in a way that makes it as readable as possible for a wide mathematical audience, and includes all the fundamental definitions and propositions from other fields of mathematics. This book is of interest to research students, as well as experts in partial differential equations and numerical analysis.
Harmonic functions. --- Boundary value problems. --- Mathematics. --- Partial differential equations. --- Potential theory (Mathematics). --- Partial Differential Equations. --- Potential Theory. --- Boundary conditions (Differential equations) --- Differential equations --- Functions of complex variables --- Mathematical physics --- Initial value problems --- Functions, Harmonic --- Laplace's equations --- Bessel functions --- Differential equations, Partial --- Fourier series --- Harmonic analysis --- Lamé's functions --- Spherical harmonics --- Toroidal harmonics --- Differential equations, partial. --- Green's operators --- Green's theorem --- Potential functions (Mathematics) --- Potential, Theory of --- Mathematical analysis --- Mechanics --- Partial differential equations
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Analytic functions --- Approximation theory --- Harmonic functions --- Linear operators --- Spectral theory (Mathematics) --- 517.5 --- Functional analysis --- Hilbert space --- Measure theory --- Transformations (Mathematics) --- Linear maps --- Maps, Linear --- Operators, Linear --- Operator theory --- Functions, Harmonic --- Laplace's equations --- Bessel functions --- Differential equations, Partial --- Fourier series --- Harmonic analysis --- Lamé's functions --- Spherical harmonics --- Toroidal harmonics --- Theory of approximation --- Functions --- Polynomials --- Chebyshev systems --- Functions, Analytic --- Functions, Monogenic --- Functions, Regular --- Regular functions --- Functions of complex variables --- Series, Taylor's --- 517.5 Theory of functions --- Theory of functions
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Boundary value problems. --- Function spaces. --- Functional analysis. --- Harmonic functions. --- Riemann-Hilbert problems. --- Hilbert-Riemann problems --- Riemann problems --- Boundary value problems --- Functions, Harmonic --- Laplace's equations --- Bessel functions --- Differential equations, Partial --- Fourier series --- Harmonic analysis --- Lamé's functions --- Spherical harmonics --- Toroidal harmonics --- Functional calculus --- Calculus of variations --- Functional equations --- Integral equations --- Spaces, Function --- Functional analysis --- Boundary conditions (Differential equations) --- Differential equations --- Functions of complex variables --- Mathematical physics --- Initial value problems
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The existence, for every sub-Laplacian, of a homogeneous fundamental solution smooth out of the origin, plays a crucial role in the book. This makes it possible to develop an exhaustive Potential Theory, almost completely parallel to that of the classical Laplace operator. This book provides an extensive treatment of Potential Theory for sub-Laplacians on stratified Lie groups. In recent years, sub-Laplacian operators have received considerable attention due to their special role in the theory of linear second-order PDE's with semidefinite characteristic form. It also provides a largely self-contained presentation of stratified Lie groups, and of their Lie algebra of left-invariant vector fields. The presentation is accessible to graduate students and requires no specialized knowledge in algebra nor in differential geometry. It is thus addressed, besides PhD students, to junior and senior researchers in different areas such as: partial differential equations; geometric control theory; geometric measure theory and minimal surfaces in stratified Lie groups.
Potential theory (Mathematics) --- Harmonic functions. --- Laplacian operator. --- Lie groups. --- Differential equations, Partial. --- Groups, Lie --- Lie algebras --- Symmetric spaces --- Topological groups --- Partial differential equations --- Operator, Laplacian --- Differential equations, Partial --- Functions, Harmonic --- Laplace's equations --- Bessel functions --- Fourier series --- Harmonic analysis --- Lamé's functions --- Spherical harmonics --- Toroidal harmonics --- Green's operators --- Green's theorem --- Potential functions (Mathematics) --- Potential, Theory of --- Mathematical analysis --- Mechanics --- Algebra. --- Differential equations, partial. --- Potential theory (Mathematics). --- Topological Groups. --- Partial Differential Equations. --- Potential Theory. --- Topological Groups, Lie Groups. --- Groups, Topological --- Continuous groups --- Mathematics --- Partial differential equations. --- Topological groups.
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