Hypoelliptic Estimates And Spectral Theory For Fokker Planck Operators And Witten Laplacians

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Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians

Author : Francis Nier
Publisher : Springer Science & Business Media
ISBN 13 : 9783540242000
Total Pages : 228 pages
Book Rating : 4.2/5 (42 download)

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Book Synopsis Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians by : Francis Nier

Download or read book Hypoelliptic Estimates and Spectral Theory for Fokker-Planck Operators and Witten Laplacians written by Francis Nier and published by Springer Science & Business Media. This book was released on 2005-02-11 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has recently been a renewal of interest in Fokker-Planck operators, motivated by problems in statistical physics, in kinetic equations, and differential geometry. Compared to more standard problems in the spectral theory of partial differential operators, those operators are not self-adjoint and only hypoelliptic. The aim of the analysis is to give, as generally as possible, an accurate qualitative and quantitative description of the exponential return to the thermodynamical equilibrium. While exploring and improving recent results in this direction, this volume proposes a review of known techniques on: the hypoellipticity of polynomial of vector fields and its global counterpart, the global Weyl-Hörmander pseudo-differential calculus, the spectral theory of non-self-adjoint operators, the semi-classical analysis of Schrödinger-type operators, the Witten complexes, and the Morse inequalities.

Further Progress In Analysis - Proceedings Of The 6th International Isaac Congress

Author : A Okay Celebi
Publisher : World Scientific
ISBN 13 : 9814469114
Total Pages : 877 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Further Progress In Analysis - Proceedings Of The 6th International Isaac Congress by : A Okay Celebi

Download or read book Further Progress In Analysis - Proceedings Of The 6th International Isaac Congress written by A Okay Celebi and published by World Scientific. This book was released on 2009-01-13 with total page 877 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ISAAC (International Society for Analysis, its Applications and Computation) Congress, which has been held every second year since 1997, covers the major progress in analysis, applications and computation in recent years. In this proceedings volume, plenary lectures highlight the recent research results, while 17 sessions organized by well-known specialists reflect the state of the art of important subfields. This volume concentrates on partial differential equations, function spaces, operator theory, integral transforms and equations, potential theory, complex analysis and generalizations, inverse problems, functional differential and difference equations and integrable systems.

Complex Analysis

Author : Friedrich Haslinger
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110417243
Total Pages : 348 pages
Book Rating : 4.1/5 (14 download)

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Book Synopsis Complex Analysis by : Friedrich Haslinger

Download or read book Complex Analysis written by Friedrich Haslinger and published by Walter de Gruyter GmbH & Co KG. This book was released on 2017-11-20 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this textbook, a concise approach to complex analysis of one and several variables is presented. After an introduction of Cauchy‘s integral theorem general versions of Runge‘s approximation theorem and Mittag-Leffler‘s theorem are discussed. The fi rst part ends with an analytic characterization of simply connected domains. The second part is concerned with functional analytic methods: Fréchet and Hilbert spaces of holomorphic functions, the Bergman kernel, and unbounded operators on Hilbert spaces to tackle the theory of several variables, in particular the inhomogeneous Cauchy-Riemann equations and the d-bar Neumann operator. Contents Complex numbers and functions Cauchy’s Theorem and Cauchy’s formula Analytic continuation Construction and approximation of holomorphic functions Harmonic functions Several complex variables Bergman spaces The canonical solution operator to Nuclear Fréchet spaces of holomorphic functions The -complex The twisted -complex and Schrödinger operators

The d-bar Neumann Problem and Schrödinger Operators

Author : Friedrich Haslinger
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110377837
Total Pages : 298 pages
Book Rating : 4.1/5 (13 download)

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Book Synopsis The d-bar Neumann Problem and Schrödinger Operators by : Friedrich Haslinger

Download or read book The d-bar Neumann Problem and Schrödinger Operators written by Friedrich Haslinger and published by Walter de Gruyter GmbH & Co KG. This book was released on 2014-08-20 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: The topic of this book is located at the intersection of complex analysis, operator theory and partial differential equations. It begins with results on the canonical solution operator to restricted to Bergman spaces of holomorphic d-bar functions in one and several complex variables.These operators are Hankel operators of special type. In the following the general complex is investigated on d-bar spaces over bounded pseudoconvex domains and on weighted d-bar spaces. The main part is devoted to the spectral analysis of the complex Laplacian and to compactness of the Neumann operator. The last part contains a detailed account of the application of the methods to Schrödinger operators, Pauli and Dirac operators and to Witten-Laplacians. It is assumed that the reader has a basic knowledge of complex analysis, functional analysis and topology. With minimal prerequisites required, this book provides a systematic introduction to an active area of research for both students at a bachelor level and mathematicians.

Frontiers In Entropy Across The Disciplines - Panorama Of Entropy: Theory, Computation, And Applications

Author : M Zuhair Nashed
Publisher : World Scientific
ISBN 13 : 9811259410
Total Pages : 757 pages
Book Rating : 4.8/5 (112 download)

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Book Synopsis Frontiers In Entropy Across The Disciplines - Panorama Of Entropy: Theory, Computation, And Applications by : M Zuhair Nashed

Download or read book Frontiers In Entropy Across The Disciplines - Panorama Of Entropy: Theory, Computation, And Applications written by M Zuhair Nashed and published by World Scientific. This book was released on 2022-08-30 with total page 757 pages. Available in PDF, EPUB and Kindle. Book excerpt: Frontiers in Entropy Across the Disciplines presents a panorama of entropy emphasizing mathematical theory, physical and scientific significance, computational methods, and applications in mathematics, physics, statistics, engineering, biomedical signals, and signal processing.In the last century classical concepts of entropy were introduced in the areas of thermodynamics, information theory, probability theory, statistics, dynamical systems, and ergodic theory. During the past 50 years, dozens of new concepts of entropy have been introduced and studied in many disciplines. This volume captures significant developments in this arena. It features expository, review, and research papers by distinguished mathematicians and scientists from many disciplines. The level of mathematics ranges from intermediate level to research level. Each chapter contains a comprehensive list of references. Topics include entropy and society, entropy and time, Souriau entropy on symplectic model of statistical physics, new definitions of entropy, geometric theory of heat and information, maximum entropy in Bayesian networks, maximum entropy methods, entropy analysis of biomedical signals (review and comparison of methods), spectral entropy and its application to video coding and speech coding, a comprehensive review of 50 years of entropy in dynamics, a comprehensive review on entropy, entropy-like quantities and applications, topological entropy of multimodal maps, entropy production in complex systems, entropy production and convergence to equilibrium, reversibility and irreversibility in entropy, nonequilibrium entropy, index of various entropy, entropy and the greatest blunder ever.

Non-Self-Adjoint Differential Operators, Spectral Asymptotics and Random Perturbations

Author : Johannes Sjöstrand
Publisher : Springer
ISBN 13 : 3030108198
Total Pages : 496 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Non-Self-Adjoint Differential Operators, Spectral Asymptotics and Random Perturbations by : Johannes Sjöstrand

Download or read book Non-Self-Adjoint Differential Operators, Spectral Asymptotics and Random Perturbations written by Johannes Sjöstrand and published by Springer. This book was released on 2019-05-17 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: The asymptotic distribution of eigenvalues of self-adjoint differential operators in the high-energy limit, or the semi-classical limit, is a classical subject going back to H. Weyl of more than a century ago. In the last decades there has been a renewed interest in non-self-adjoint differential operators which have many subtle properties such as instability under small perturbations. Quite remarkably, when adding small random perturbations to such operators, the eigenvalues tend to distribute according to Weyl's law (quite differently from the distribution for the unperturbed operators in analytic cases). A first result in this direction was obtained by M. Hager in her thesis of 2005. Since then, further general results have been obtained, which are the main subject of the present book. Additional themes from the theory of non-self-adjoint operators are also treated. The methods are very much based on microlocal analysis and especially on pseudodifferential operators. The reader will find a broad field with plenty of open problems.

Analysis and Geometry in Several Complex Variables

Author : Shiferaw Berhanu
Publisher : American Mathematical Soc.
ISBN 13 : 1470422557
Total Pages : 194 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Analysis and Geometry in Several Complex Variables by : Shiferaw Berhanu

Download or read book Analysis and Geometry in Several Complex Variables written by Shiferaw Berhanu and published by American Mathematical Soc.. This book was released on 2017-01-17 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the workshop on Analysis and Geometry in Several Complex Variables, held from January 4–8, 2015, at Texas A&M University at Qatar, Doha, Qatar. This volume covers many topics of current interest in several complex variables, CR geometry, and the related area of overdetermined systems of complex vector fields, as well as emerging trends in these areas. Papers feature original research on diverse topics such as the rigidity of CR mappings, normal forms in CR geometry, the d-bar Neumann operator, asymptotic expansion of the Bergman kernel, and hypoellipticity of complex vector fields. Also included are two survey articles on complex Brunn-Minkowski theory and the regularity of systems of complex vector fields and their associated Laplacians.

Spectral Theory of Non-Commutative Harmonic Oscillators: An Introduction

Author : Alberto Parmeggiani
Publisher : Springer
ISBN 13 : 3642119220
Total Pages : 260 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Spectral Theory of Non-Commutative Harmonic Oscillators: An Introduction by : Alberto Parmeggiani

Download or read book Spectral Theory of Non-Commutative Harmonic Oscillators: An Introduction written by Alberto Parmeggiani and published by Springer. This book was released on 2010-07-23 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book grew out of a series of lectures given at the Mathematics Department of Kyushu University in the Fall 2006, within the support of the 21st Century COE Program (2003–2007) “Development of Dynamical Mathematics with High Fu- tionality” (Program Leader: prof. Mitsuhiro Nakao). It was initially published as the Kyushu University COE Lecture Note n- ber 8 (COE Lecture Note, 8. Kyushu University, The 21st Century COE Program “DMHF”, Fukuoka, 2008. vi+234 pp.), and in the present form is an extended v- sion of it (in particular, I have added a section dedicated to the Maslov index). The book is intended as a rapid (though not so straightforward) pseudodiff- ential introduction to the spectral theory of certain systems, mainly of the form a +a where the entries of a are homogeneous polynomials of degree 2 in the 2 0 2 n n (x,?)-variables, (x,?)? R×R,and a is a constant matrix, the so-called non- 0 commutative harmonic oscillators, with particular emphasis on a class of systems introduced by M. Wakayama and myself about ten years ago. The class of n- commutative harmonic oscillators is very rich, and many problems are still open, and worth of being pursued.

Entropy Methods for the Boltzmann Equation

Author : Fraydoun Rezakhanlou
Publisher : Springer
ISBN 13 : 3540737057
Total Pages : 122 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Entropy Methods for the Boltzmann Equation by : Fraydoun Rezakhanlou

Download or read book Entropy Methods for the Boltzmann Equation written by Fraydoun Rezakhanlou and published by Springer. This book was released on 2007-12-22 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: Featuring updated versions of two research courses held at the Centre Émile Borel in Paris in 2001, this book describes the mathematical theory of convergence to equilibrium for the Boltzmann equation and its relation to various problems and fields. It also discusses four conjectures for the kinetic behavior of the hard sphere models and formulates four stochastic variations of this model, also reviewing known results for these.

Harmonic Analysis and Partial Differential Equations

Author : Michael Ruzhansky
Publisher : Springer Nature
ISBN 13 : 3031243110
Total Pages : 241 pages
Book Rating : 4.0/5 (312 download)

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Book Synopsis Harmonic Analysis and Partial Differential Equations by : Michael Ruzhansky

Download or read book Harmonic Analysis and Partial Differential Equations written by Michael Ruzhansky and published by Springer Nature. This book was released on 2023-03-06 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects papers related to the session “Harmonic Analysis and Partial Differential Equations” held at the 13th International ISAAC Congress in Ghent and provides an overview on recent trends and advances in the interplay between harmonic analysis and partial differential equations. The book can serve as useful source of information for mathematicians, scientists and engineers. The volume contains contributions of authors from a variety of countries on a wide range of active research areas covering different aspects of partial differential equations interacting with harmonic analysis and provides a state-of-the-art overview over ongoing research in the field. It shows original research in full detail allowing researchers as well as students to grasp new aspects and broaden their understanding of the area.

Geometric Analysis of Several Complex Variables and Related Topics

Author : Y. Barkatou
Publisher : American Mathematical Soc.
ISBN 13 : 0821852574
Total Pages : 208 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Geometric Analysis of Several Complex Variables and Related Topics by : Y. Barkatou

Download or read book Geometric Analysis of Several Complex Variables and Related Topics written by Y. Barkatou and published by American Mathematical Soc.. This book was released on 2011 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents current research and future trends in the theory of several complex variables and PDE. Of note are two survey articles, the first presenting recent results on the solvability of complex vector fields with critical points, while the second concerns the Lie group structure of the automorphism groups of CR manifolds.

Hyperbolic Problems and Regularity Questions

Author : Mariarosaria Padula
Publisher : Springer Science & Business Media
ISBN 13 : 3764374519
Total Pages : 229 pages
Book Rating : 4.7/5 (643 download)

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Book Synopsis Hyperbolic Problems and Regularity Questions by : Mariarosaria Padula

Download or read book Hyperbolic Problems and Regularity Questions written by Mariarosaria Padula and published by Springer Science & Business Media. This book was released on 2007-01-21 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses new challenges in the quickly developing field of hyperbolic problems. Particular emphasis lies on the interaction between nonlinear partial differential equations, functional analysis and applied analysis as well as mechanics. The book originates from a recent conference focusing on hyperbolic problems and regularity questions. It is intended for researchers in functional analysis, PDE, fluid dynamics and differential geometry.

Quantization on Nilpotent Lie Groups

Author : Veronique Fischer
Publisher : Birkhäuser
ISBN 13 : 3319295586
Total Pages : 568 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Quantization on Nilpotent Lie Groups by : Veronique Fischer

Download or read book Quantization on Nilpotent Lie Groups written by Veronique Fischer and published by Birkhäuser. This book was released on 2016-03-08 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a consistent development of the Kohn-Nirenberg type global quantization theory in the setting of graded nilpotent Lie groups in terms of their representations. It contains a detailed exposition of related background topics on homogeneous Lie groups, nilpotent Lie groups, and the analysis of Rockland operators on graded Lie groups together with their associated Sobolev spaces. For the specific example of the Heisenberg group the theory is illustrated in detail. In addition, the book features a brief account of the corresponding quantization theory in the setting of compact Lie groups. The monograph is the winner of the 2014 Ferran Sunyer i Balaguer Prize.

Point Estimation of Root Finding Methods

Author : Miodrag Petkovic
Publisher : Springer Science & Business Media
ISBN 13 : 3540778500
Total Pages : 222 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Point Estimation of Root Finding Methods by : Miodrag Petkovic

Download or read book Point Estimation of Root Finding Methods written by Miodrag Petkovic and published by Springer Science & Business Media. This book was released on 2008-05-29 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book sets out to state computationally verifiable initial conditions for predicting the immediate appearance of the guaranteed and fast convergence of iterative root finding methods. Attention is paid to iterative methods for simultaneous determination of polynomial zeros in the spirit of Smale's point estimation theory, introduced in 1986. Some basic concepts and Smale's theory for Newton's method, together with its modifications and higher-order methods, are presented in the first two chapters. The remaining chapters contain the recent author's results on initial conditions guaranteing convergence of a wide class of iterative methods for solving algebraic equations. These conditions are of practical interest since they depend only on available data, the information of a function whose zeros are sought and initial approximations. The convergence approach presented can be applied in designing a package for the simultaneous approximation of polynomial zeros.

Analysis and Geometry

Author : Ali Baklouti
Publisher : Springer
ISBN 13 : 3319174436
Total Pages : 269 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Analysis and Geometry by : Ali Baklouti

Download or read book Analysis and Geometry written by Ali Baklouti and published by Springer. This book was released on 2015-07-26 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book includes selected papers presented at the MIMS (Mediterranean Institute for the Mathematical Sciences) - GGTM (Geometry and Topology Grouping for the Maghreb) conference, held in memory of Mohammed Salah Baouendi, a most renowned figure in the field of several complex variables, who passed away in 2011. All research articles were written by leading experts, some of whom are prize winners in the fields of complex geometry, algebraic geometry and analysis. The book offers a valuable resource for all researchers interested in recent developments in analysis and geometry.

Author :
Publisher : Springer Nature
ISBN 13 : 3031709098
Total Pages : 439 pages
Book Rating : 4.0/5 (317 download)

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Book Synopsis by :

Download or read book written by and published by Springer Nature. This book was released on with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Value-Distribution of L-Functions

Author : Jr̲n Steuding
Publisher : Springer Science & Business Media
ISBN 13 : 3540265260
Total Pages : 320 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Value-Distribution of L-Functions by : Jr̲n Steuding

Download or read book Value-Distribution of L-Functions written by Jr̲n Steuding and published by Springer Science & Business Media. This book was released on 2007-06-06 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: These notes present recent results in the value-distribution theory of L-functions with emphasis on the phenomenon of universality. Universality has a strong impact on the zero-distribution: Riemann’s hypothesis is true only if the Riemann zeta-function can approximate itself uniformly. The text proves universality for polynomial Euler products. The authors’ approach follows mainly Bagchi's probabilistic method. Discussion touches on related topics: almost periodicity, density estimates, Nevanlinna theory, and functional independence.