Rectifiability

Author : Pertti Mattila
Publisher : Cambridge University Press
ISBN 13 : 1009288091
Total Pages : 182 pages
Book Rating : 4.95/5 ( download)

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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.

Author : Hervé Pajot
Publisher : Springer Science & Business Media
ISBN 13 : 9783540000013
Total Pages : 140 pages
Book Rating : 4.11/5 ( download)

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Download or read book Analytic Capacity, Rectifiability, Menger Curvature and Cauchy Integral written by Hervé Pajot and published by Springer Science & Business Media. This book was released on 2002-11-26 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on a graduate course given by the author at Yale University this book deals with complex analysis (analytic capacity), geometric measure theory (rectifiable and uniformly rectifiable sets) and harmonic analysis (boundedness of singular integral operators on Ahlfors-regular sets). In particular, these notes contain a description of Peter Jones' geometric traveling salesman theorem, the proof of the equivalence between uniform rectifiability and boundedness of the Cauchy operator on Ahlfors-regular sets, the complete proofs of the Denjoy conjecture and the Vitushkin conjecture (for the latter, only the Ahlfors-regular case) and a discussion of X. Tolsa's solution of the Painlevé problem.

Author : Guy David
Publisher : American Mathematical Soc.
ISBN 13 : 0821820486
Total Pages : 146 pages
Book Rating : 4.83/5 ( download)

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Download or read book Uniform Rectifiability and Quasiminimizing Sets of Arbitrary Codimension written by Guy David and published by American Mathematical Soc.. This book was released on 2000 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended for graduate students and research mathematicians interested in calculus of variations and optimal control; optimization.

Author : Camillo De Lellis
Publisher : European Mathematical Society
ISBN 13 : 9783037190449
Total Pages : 140 pages
Book Rating : 4.42/5 ( download)

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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.

Author : Guy David
Publisher : American Mathematical Soc.
ISBN 13 : 0821815377
Total Pages : 370 pages
Book Rating : 4.73/5 ( download)

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Download or read book Analysis of and on Uniformly Rectifiable Sets written by Guy David and published by American Mathematical Soc.. This book was released on 1993 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: * The only available reference on uniform rectifiabilityThe text covers the understanding of uniform rectifiability of a given set in terms of the approximate behaviour of the set at most locations and scales.

Author : Xavier Tolsa
Publisher : American Mathematical Soc.
ISBN 13 : 1470422522
Total Pages : 130 pages
Book Rating : 4.23/5 ( download)

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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 130 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 .

Author : Guy David
Publisher : Springer Science & Business Media
ISBN 13 : 3764373024
Total Pages : 592 pages
Book Rating : 4.23/5 ( download)

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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.

Author : Guy David
Publisher : Oxford University Press
ISBN 13 : 9780198501664
Total Pages : 226 pages
Book Rating : 4.68/5 ( download)

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Download or read book Fractured Fractals and Broken Dreams written by Guy David and published by Oxford University Press. This book was released on 1997 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book proposes new notions of coherent geometric structure. Fractal patterns have emerged in many contexts, but what exactly is a "pattern" and what is not? How can one make precise the structures lying within objects and the relationships between them? The foundations laid herein provide a fresh approach to a familiar field. From this emerges a wide range of open problems, large and small, and a variety of examples with diverse connections to other parts of mathematics. One of the main features of the present text is that the basic framework is completely new. This makes it easier for people to get into the field. There are many open problems, with plenty of opportunities that are likely to be close at hand, particularly as concerns the exploration of examples. On the other hand the general framework is quite broad and provides the possibility for future discoveries of some magnitude. Fractual geometries can arise in many different ways mathematically, but there is not so much general language for making comparisons. This book provides some tools for doing this, and a place where researchers in different areas can find common ground and basic information.

Author : Narayan Shanti & Mittal P.K.
Publisher : S. Chand Publishing
ISBN 13 : 8121906393
Total Pages : 624 pages
Book Rating : 4.95/5 ( download)

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Download or read book Theory of Functions of a Complex Variable written by Narayan Shanti & Mittal P.K. and published by S. Chand Publishing. This book was released on 2005-03 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theory of Functions of a Complex Variable

Author : Jean-Michel Morel
Publisher : Springer Science & Business Media
ISBN 13 : 1468405675
Total Pages : 257 pages
Book Rating : 4.75/5 ( download)

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Download or read book Variational Methods in Image Segmentation written by Jean-Michel Morel and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains both a synthesis and mathematical analysis of a wide set of algorithms and theories whose aim is the automatic segmen tation of digital images as well as the understanding of visual perception. A common formalism for these theories and algorithms is obtained in a variational form. Thank to this formalization, mathematical questions about the soundness of algorithms can be raised and answered. Perception theory has to deal with the complex interaction between regions and "edges" (or boundaries) in an image: in the variational seg mentation energies, "edge" terms compete with "region" terms in a way which is supposed to impose regularity on both regions and boundaries. This fact was an experimental guess in perception phenomenology and computer vision until it was proposed as a mathematical conjecture by Mumford and Shah. The third part of the book presents a unified presentation of the evi dences in favour of the conjecture. It is proved that the competition of one-dimensional and two-dimensional energy terms in a variational for mulation cannot create fractal-like behaviour for the edges. The proof of regularity for the edges of a segmentation constantly involves con cepts from geometric measure theory, which proves to be central in im age processing theory. The second part of the book provides a fast and self-contained presentation of the classical theory of rectifiable sets (the "edges") and unrectifiable sets ("fractals").