Rectifiable Sets Densities And Tangent Measures

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Rectifiable Sets, Densities and Tangent Measures

Author : Camillo De Lellis
Publisher : European Mathematical Society
ISBN 13 : 9783037190449
Total Pages : 140 pages
Book Rating : 4.1/5 (94 download)

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Book Synopsis Rectifiable Sets, Densities and Tangent Measures by : Camillo De Lellis

Download or read book Rectifiable Sets, Densities and Tangent Measures written by Camillo De Lellis and published by European Mathematical Society. This book was released on 2008 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: The characterization of rectifiable sets through the existence of densities is a pearl of geometric measure theory. The difficult proof, due to Preiss, relies on many beautiful and deep ideas and novel techniques. Some of them have already proven useful in other contexts, whereas others have not yet been exploited. These notes give a simple and short presentation of the former and provide some perspective of the latter. This text emerged from a course on rectifiability given at the University of Zurich. It is addressed both to researchers and students; the only prerequisite is a solid knowledge in standard measure theory. The first four chapters give an introduction to rectifiable sets and measures in Euclidean spaces, covering classical topics such as the area formula, the theorem of Marstrand and the most elementary rectifiability criterions. The fifth chapter is dedicated to a subtle rectifiability criterion due to Marstrand and generalized by Mattila, and the last three focus on Preiss' result. The aim is to provide a self-contained reference for anyone interested in an overview of this fascinating topic.

Rectifiable Measures, Square Functions Involving Densities, and the Cauchy Transform

Author : Xavier Tolsa
Publisher : American Mathematical Soc.
ISBN 13 : 1470422522
Total Pages : 142 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Rectifiable Measures, Square Functions Involving Densities, and the Cauchy Transform by : Xavier Tolsa

Download or read book Rectifiable Measures, Square Functions Involving Densities, and the Cauchy Transform written by Xavier Tolsa and published by American Mathematical Soc.. This book was released on 2017-01-18 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph is devoted to the proof of two related results. The first one asserts that if is a Radon measure in satisfyingfor -a.e. , then is rectifiable. Since the converse implication is already known to hold, this yields the following characterization of rectifiable sets: a set with finite -dimensional Hausdorff measure is rectifiable if and only ifH^1x2EThe second result of the monograph deals with the relationship between the above square function in the complex plane and the Cauchy transform . Assuming that has linear growth, it is proved that is bounded in if and only iffor every square .

Geometry of Sets and Measures in Euclidean Spaces

Author : Pertti Mattila
Publisher : Cambridge University Press
ISBN 13 : 9780521655958
Total Pages : 360 pages
Book Rating : 4.6/5 (559 download)

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Book Synopsis Geometry of Sets and Measures in Euclidean Spaces by : Pertti Mattila

Geometry of Sets and Measures in Euclidean Spaces

Author : Pertti Mattila
Publisher : Cambridge University Press
ISBN 13 : 1316583694
Total Pages : 358 pages
Book Rating : 4.3/5 (165 download)

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Book Synopsis Geometry of Sets and Measures in Euclidean Spaces by : Pertti Mattila

Download or read book Geometry of Sets and Measures in Euclidean Spaces written by Pertti Mattila and published by Cambridge University Press. This book was released on 1999-02-25 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in paperback, the main theme of this book is the study of geometric properties of general sets and measures in euclidean spaces. Applications of this theory include fractal-type objects such as strange attractors for dynamical systems and those fractals used as models in the sciences. The author provides a firm and unified foundation and develops all the necessary main tools, such as covering theorems, Hausdorff measures and their relations to Riesz capacities and Fourier transforms. The last third of the book is devoted to the Beisovich-Federer theory of rectifiable sets, which form in a sense the largest class of subsets of euclidean space posessing many of the properties of smooth surfaces. These sets have wide application including the higher-dimensional calculus of variations. Their relations to complex analysis and singular integrals are also studied. Essentially self-contained, this book is suitable for graduate students and researchers in mathematics.

Rectifiability

Author : Pertti Mattila
Publisher : Cambridge University Press
ISBN 13 : 1009288091
Total Pages : 182 pages
Book Rating : 4.0/5 (92 download)

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Book Synopsis Rectifiability by : Pertti Mattila

Download or read book Rectifiability written by Pertti Mattila and published by Cambridge University Press. This book was released on 2023-01-12 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rectifiable sets, measures, currents and varifolds are foundational concepts in geometric measure theory. The last four decades have seen the emergence of a wealth of connections between rectifiability and other areas of analysis and geometry, including deep links with the calculus of variations and complex and harmonic analysis. This short book provides an easily digestible overview of this wide and active field, including discussions of historical background, the basic theory in Euclidean and non-Euclidean settings, and the appearance of rectifiability in analysis and geometry. The author avoids complicated technical arguments and long proofs, instead giving the reader a flavour of each of the topics in turn while providing full references to the wider literature in an extensive bibliography. It is a perfect introduction to the area for researchers and graduate students, who will find much inspiration for their own research inside.

Geometric Measure Theory

Author : Frank Morgan
Publisher : Academic Press
ISBN 13 : 0128045272
Total Pages : 274 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Geometric Measure Theory by : Frank Morgan

Download or read book Geometric Measure Theory written by Frank Morgan and published by Academic Press. This book was released on 2016-05-02 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geometric Measure Theory: A Beginner's Guide, Fifth Edition provides the framework readers need to understand the structure of a crystal, a soap bubble cluster, or a universe. The book is essential to any student who wants to learn geometric measure theory, and will appeal to researchers and mathematicians working in the field. Brevity, clarity, and scope make this classic book an excellent introduction to more complex ideas from geometric measure theory and the calculus of variations for beginning graduate students and researchers. Morgan emphasizes geometry over proofs and technicalities, providing a fast and efficient insight into many aspects of the subject, with new coverage to this edition including topical coverage of the Log Convex Density Conjecture, a major new theorem at the center of an area of mathematics that has exploded since its appearance in Perelman's proof of the Poincaré conjecture, and new topical coverage of manifolds taking into account all recent research advances in theory and applications. - Focuses on core geometry rather than proofs, paving the way to fast and efficient insight into an extremely complex topic in geometric structures - Enables further study of more advanced topics and texts - Demonstrates in the simplest possible way how to relate concepts of geometric analysis by way of algebraic or topological techniques - Contains full topical coverage of The Log-Convex Density Conjecture - Comprehensively updated throughout

Analytic Capacity, the Cauchy Transform, and Non-homogeneous Calderón–Zygmund Theory

Author : Xavier Tolsa
Publisher : Springer Science & Business Media
ISBN 13 : 3319005960
Total Pages : 402 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Analytic Capacity, the Cauchy Transform, and Non-homogeneous Calderón–Zygmund Theory by : Xavier Tolsa

Download or read book Analytic Capacity, the Cauchy Transform, and Non-homogeneous Calderón–Zygmund Theory written by Xavier Tolsa and published by Springer Science & Business Media. This book was released on 2013-12-16 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book studies some of the groundbreaking advances that have been made regarding analytic capacity and its relationship to rectifiability in the decade 1995–2005. The Cauchy transform plays a fundamental role in this area and is accordingly one of the main subjects covered. Another important topic, which may be of independent interest for many analysts, is the so-called non-homogeneous Calderón-Zygmund theory, the development of which has been largely motivated by the problems arising in connection with analytic capacity. The Painlevé problem, which was first posed around 1900, consists in finding a description of the removable singularities for bounded analytic functions in metric and geometric terms. Analytic capacity is a key tool in the study of this problem. In the 1960s Vitushkin conjectured that the removable sets which have finite length coincide with those which are purely unrectifiable. Moreover, because of the applications to the theory of uniform rational approximation, he posed the question as to whether analytic capacity is semiadditive. This work presents full proofs of Vitushkin’s conjecture and of the semiadditivity of analytic capacity, both of which remained open problems until very recently. Other related questions are also discussed, such as the relationship between rectifiability and the existence of principal values for the Cauchy transforms and other singular integrals. The book is largely self-contained and should be accessible for graduate students in analysis, as well as a valuable resource for researchers.

Sets of Finite Perimeter and Geometric Variational Problems

Author : Francesco Maggi
Publisher : Cambridge University Press
ISBN 13 : 1139560891
Total Pages : 475 pages
Book Rating : 4.1/5 (395 download)

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Book Synopsis Sets of Finite Perimeter and Geometric Variational Problems by : Francesco Maggi

Download or read book Sets of Finite Perimeter and Geometric Variational Problems written by Francesco Maggi and published by Cambridge University Press. This book was released on 2012-08-09 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: The marriage of analytic power to geometric intuition drives many of today's mathematical advances, yet books that build the connection from an elementary level remain scarce. This engaging introduction to geometric measure theory bridges analysis and geometry, taking readers from basic theory to some of the most celebrated results in modern analysis. The theory of sets of finite perimeter provides a simple and effective framework. Topics covered include existence, regularity, analysis of singularities, characterization and symmetry results for minimizers in geometric variational problems, starting from the basics about Hausdorff measures in Euclidean spaces and ending with complete proofs of the regularity of area-minimizing hypersurfaces up to singular sets of codimension 8. Explanatory pictures, detailed proofs, exercises and remarks providing heuristic motivation and summarizing difficult arguments make this graduate-level textbook suitable for self-study and also a useful reference for researchers. Readers require only undergraduate analysis and basic measure theory.

Hausdorff Measures

Author : Claude Ambrose Rogers
Publisher : Cambridge University Press
ISBN 13 : 9780521624916
Total Pages : 230 pages
Book Rating : 4.6/5 (249 download)

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Book Synopsis Hausdorff Measures by : Claude Ambrose Rogers

Download or read book Hausdorff Measures written by Claude Ambrose Rogers and published by Cambridge University Press. This book was released on 1998-10-22 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: When it was first published this was the first general account of Hausdorff measures, a subject that has important applications in many fields of mathematics. There are three chapters: the first contains an introduction to measure theory, paying particular attention to the study of non-s-finite measures. The second develops the most general aspects of the theory of Hausdorff measures, and the third gives a general survey of applications of Hausdorff measures followed by detailed accounts of two special applications. This edition has a foreword by Kenneth Falconer outlining the developments in measure theory since this book first appeared. Based on lectures given by the author at University College London, this book is ideal for graduate mathematicians with no previous knowledge of the subject, but experts in the field will also want a copy for their shelves.

Handbook of Measure Theory

Author : E. Pap
Publisher : Elsevier
ISBN 13 : 0080533094
Total Pages : 1633 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Handbook of Measure Theory by : E. Pap

Download or read book Handbook of Measure Theory written by E. Pap and published by Elsevier. This book was released on 2002-10-31 with total page 1633 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main goal of this Handbook isto survey measure theory with its many different branches and itsrelations with other areas of mathematics. Mostly aggregating many classical branches of measure theory the aim of the Handbook is also to cover new fields, approaches and applications whichsupport the idea of "measure" in a wider sense, e.g. the ninth part of the Handbook. Although chapters are written of surveys in the variousareas they contain many special topics and challengingproblems valuable for experts and rich sources of inspiration.Mathematicians from other areas as well as physicists, computerscientists, engineers and econometrists will find useful results andpowerful methods for their research. The reader may find in theHandbook many close relations to other mathematical areas: realanalysis, probability theory, statistics, ergodic theory,functional analysis, potential theory, topology, set theory,geometry, differential equations, optimization, variationalanalysis, decision making and others. The Handbook is a richsource of relevant references to articles, books and lecturenotes and it contains for the reader's convenience an extensivesubject and author index.

Mathematical Foundations of Image Processing and Analysis, Volume 1

Author : Jean-Charles Pinoli
Publisher : John Wiley & Sons
ISBN 13 : 1118649125
Total Pages : 393 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Mathematical Foundations of Image Processing and Analysis, Volume 1 by : Jean-Charles Pinoli

Download or read book Mathematical Foundations of Image Processing and Analysis, Volume 1 written by Jean-Charles Pinoli and published by John Wiley & Sons. This book was released on 2014-07-09 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Image processing and image analysis are typically important fields in information science and technology. By “image processing”, we generally understand all kinds of operation performed on images (or sequences of images) in order to increase their quality, restore their original content, emphasize some particular aspect of the information or optimize their transmission, or to perform radiometric and/or spatial analysis. By “image analysis” we understand, however, all kinds of operation performed on images (or sequences of images) in order to extract qualitative or quantitative data, perform measurements and apply statistical analysis. Whereas there are nowadays many books dealing with image processing, only a small number deal with image analysis. The methods and techniques involved in these fields of course have a wide range of applications in our daily world: industrial vision, material imaging, medical imaging, biological imaging, multimedia applications, satellite imaging, quality control, traffic control, and so on

Lectures on Elliptic Partial Differential Equations

Author : Luigi Ambrosio
Publisher : Springer
ISBN 13 : 8876426515
Total Pages : 234 pages
Book Rating : 4.8/5 (764 download)

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Book Synopsis Lectures on Elliptic Partial Differential Equations by : Luigi Ambrosio

Download or read book Lectures on Elliptic Partial Differential Equations written by Luigi Ambrosio and published by Springer. This book was released on 2019-01-10 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book originates from the Elliptic PDE course given by the first author at the Scuola Normale Superiore in recent years. It covers the most classical aspects of the theory of Elliptic Partial Differential Equations and Calculus of Variations, including also more recent developments on partial regularity for systems and the theory of viscosity solutions.

Mathematical Foundations of Image Processing and Analysis, Volume 2

Author : Jean-Charles Pinoli
Publisher : John Wiley & Sons
ISBN 13 : 1118984552
Total Pages : 397 pages
Book Rating : 4.1/5 (189 download)

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Book Synopsis Mathematical Foundations of Image Processing and Analysis, Volume 2 by : Jean-Charles Pinoli

Download or read book Mathematical Foundations of Image Processing and Analysis, Volume 2 written by Jean-Charles Pinoli and published by John Wiley & Sons. This book was released on 2014-07-22 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathematical Imaging is currently a rapidly growing field in applied mathematics, with an increasing need for theoretical mathematics. This book, the second of two volumes, emphasizes the role of mathematics as a rigorous basis for imaging sciences. It provides a comprehensive and convenient overview of the key mathematical concepts, notions, tools and frameworks involved in the various fields of gray-tone and binary image processing and analysis, by proposing a large, but coherent, set of symbols and notations, a complete list of subjects and a detailed bibliography. It establishes a bridge between the pure and applied mathematical disciplines, and the processing and analysis of gray-tone and binary images. It is accessible to readers who have neither extensive mathematical training, nor peer knowledge in Image Processing and Analysis. It is a self-contained book focusing on the mathematical notions, concepts, operations, structures, and frameworks that are beyond or involved in Image Processing and Analysis. The notations are simplified as far as possible in order to be more explicative and consistent throughout the book and the mathematical aspects are systematically discussed in the image processing and analysis context, through practical examples or concrete illustrations. Conversely, the discussed applicative issues allow the role of mathematics to be highlighted. Written for a broad audience – students, mathematicians, image processing and analysis specialists, as well as other scientists and practitioners – the author hopes that readers will find their own way of using the book, thus providing a mathematical companion that can help mathematicians become more familiar with image processing and analysis, and likewise, image processing and image analysis scientists, researchers and engineers gain a deeper understanding of mathematical notions and concepts.

Singular Sets of Minimizers for the Mumford-Shah Functional

Author : Guy David
Publisher : Springer Science & Business Media
ISBN 13 : 3764373024
Total Pages : 592 pages
Book Rating : 4.7/5 (643 download)

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Book Synopsis Singular Sets of Minimizers for the Mumford-Shah Functional by : Guy David

Download or read book Singular Sets of Minimizers for the Mumford-Shah Functional written by Guy David and published by Springer Science & Business Media. This book was released on 2006-03-10 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Mumford-Shah functional was introduced in the 1980s as a tool for automatic image segmentation, but its study gave rise to many interesting questions of analysis and geometric measure theory. The main object under scrutiny is a free boundary K where the minimizer may have jumps. The book presents an extensive description of the known regularity properties of the singular sets K, and the techniques to get them. It is largely self-contained, and should be accessible to graduate students in analysis. The core of the book is composed of regularity results that were proved in the last ten years and which are presented in a more detailed and unified way.

Selected Topics in Almost Periodicity

Author : Marko Kostić
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110763524
Total Pages : 734 pages
Book Rating : 4.1/5 (17 download)

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Book Synopsis Selected Topics in Almost Periodicity by : Marko Kostić

Download or read book Selected Topics in Almost Periodicity written by Marko Kostić and published by Walter de Gruyter GmbH & Co KG. This book was released on 2021-11-22 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers uniformly recurrent solutions and c-almost periodic solutions of abstract Volterra integro-differential equations as well as various generalizations of almost periodic functions in Lebesgue spaces with variable coefficients. Treats multi-dimensional almost periodic type functions and their generalizations in adequate detail.

Invitation to Topological Robotics

Author : Michael Farber
Publisher : European Mathematical Society
ISBN 13 : 9783037190548
Total Pages : 148 pages
Book Rating : 4.1/5 (95 download)

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Book Synopsis Invitation to Topological Robotics by : Michael Farber

Download or read book Invitation to Topological Robotics written by Michael Farber and published by European Mathematical Society. This book was released on 2008 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses several selected topics of a new emerging area of research on the interface between topology and engineering. The first main topic is topology of configuration spaces of mechanical linkages. These manifolds arise in various fields of mathematics and in other sciences, e.g., engineering, statistics, molecular biology. To compute Betti numbers of these configuration spaces the author applies a new technique of Morse theory in the presence of an involution. A significant result of topology of linkages presented in this book is a solution of a conjecture of Kevin Walker which states that the relative sizes of bars of a linkage are determined, up to certain equivalence, by the cohomology algebra of the linkage configuration space. This book also describes a new probabilistic approach to topology of linkages which treats the bar lengths as random variables and studies mathematical expectations of Betti numbers. The second main topic is topology of configuration spaces associated to polyhedra. The author gives an account of a beautiful work of S. R. Gal, suggesting an explicit formula for the generating function encoding Euler characteristics of these spaces. Next the author studies the knot theory of a robot arm, focusing on a recent important result of R. Connelly, E. Demain, and G. Rote. Finally, he investigates topological problems arising in the theory of robot motion planning algorithms and studies the homotopy invariant TC(X) measuring navigational complexity of configuration spaces. This book is intended as an appetizer and will introduce the reader to many fascinating topological problems motivated by engineering.

Invariant Manifolds and Dispersive Hamiltonian Evolution Equations

Author : Kenji Nakanishi
Publisher : European Mathematical Society
ISBN 13 : 9783037190951
Total Pages : 264 pages
Book Rating : 4.1/5 (99 download)

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Book Synopsis Invariant Manifolds and Dispersive Hamiltonian Evolution Equations by : Kenji Nakanishi

Download or read book Invariant Manifolds and Dispersive Hamiltonian Evolution Equations written by Kenji Nakanishi and published by European Mathematical Society. This book was released on 2011 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: The notion of an invariant manifold arises naturally in the asymptotic stability analysis of stationary or standing wave solutions of unstable dispersive Hamiltonian evolution equations such as the focusing semilinear Klein-Gordon and Schrodinger equations. This is due to the fact that the linearized operators about such special solutions typically exhibit negative eigenvalues (a single one for the ground state), which lead to exponential instability of the linearized flow and allows for ideas from hyperbolic dynamics to enter. One of the main results proved here for energy subcritical equations is that the center-stable manifold associated with the ground state appears as a hyper-surface which separates a region of finite-time blowup in forward time from one which exhibits global existence and scattering to zero in forward time. The authors' entire analysis takes place in the energy topology, and the conserved energy can exceed the ground state energy only by a small amount. This monograph is based on recent research by the authors. The proofs rely on an interplay between the variational structure of the ground states and the nonlinear hyperbolic dynamics near these states. A key element in the proof is a virial-type argument excluding almost homoclinic orbits originating near the ground states, and returning to them, possibly after a long excursion. These lectures are suitable for graduate students and researchers in partial differential equations and mathematical physics. For the cubic Klein-Gordon equation in three dimensions all details are provided, including the derivation of Strichartz estimates for the free equation and the concentration-compactness argument leading to scattering due to Kenig and Merle.