Local $L^p$-Brunn-Minkowski Inequalities for $p
Author | : Alexander V. Kolesnikov |
Publisher | : American Mathematical Society |
Total Pages | : 78 |
Release | : 2022-05-24 |
Genre | : Mathematics |
ISBN | : 1470451603 |
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Author | : Alexander V. Kolesnikov |
Publisher | : American Mathematical Society |
Total Pages | : 78 |
Release | : 2022-05-24 |
Genre | : Mathematics |
ISBN | : 1470451603 |
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Author | : Yongsheng Han |
Publisher | : American Mathematical Society |
Total Pages | : 118 |
Release | : 2022-08-31 |
Genre | : Mathematics |
ISBN | : 1470453452 |
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Author | : Rolf Schneider |
Publisher | : Cambridge University Press |
Total Pages | : 759 |
Release | : 2014 |
Genre | : Mathematics |
ISBN | : 1107601010 |
A complete presentation of a central part of convex geometry, from basics for beginners, to the exposition of current research.
Author | : Shiri Artstein-Avidan |
Publisher | : American Mathematical Soc. |
Total Pages | : 473 |
Release | : 2015-06-18 |
Genre | : Mathematics |
ISBN | : 1470421933 |
The authors present the theory of asymptotic geometric analysis, a field which lies on the border between geometry and functional analysis. In this field, isometric problems that are typical for geometry in low dimensions are substituted by an "isomorphic" point of view, and an asymptotic approach (as dimension tends to infinity) is introduced. Geometry and analysis meet here in a non-trivial way. Basic examples of geometric inequalities in isomorphic form which are encountered in the book are the "isomorphic isoperimetric inequalities" which led to the discovery of the "concentration phenomenon", one of the most powerful tools of the theory, responsible for many counterintuitive results. A central theme in this book is the interaction of randomness and pattern. At first glance, life in high dimension seems to mean the existence of multiple "possibilities", so one may expect an increase in the diversity and complexity as dimension increases. However, the concentration of measure and effects caused by convexity show that this diversity is compensated and order and patterns are created for arbitrary convex bodies in the mixture caused by high dimensionality. The book is intended for graduate students and researchers who want to learn about this exciting subject. Among the topics covered in the book are convexity, concentration phenomena, covering numbers, Dvoretzky-type theorems, volume distribution in convex bodies, and more.
Author | : Ronen Eldan |
Publisher | : Springer Nature |
Total Pages | : 443 |
Release | : 2023-11-01 |
Genre | : Mathematics |
ISBN | : 3031263006 |
This book reflects general trends in the study of geometric aspects of functional analysis, understood in a broad sense. A classical theme in the local theory of Banach spaces is the study of probability measures in high dimension and the concentration of measure phenomenon. Here this phenomenon is approached from different angles, including through analysis on the Hamming cube, and via quantitative estimates in the Central Limit Theorem under thin-shell and related assumptions. Classical convexity theory plays a central role in this volume, as well as the study of geometric inequalities. These inequalities, which are somewhat in spirit of the Brunn-Minkowski inequality, in turn shed light on convexity and on the geometry of Euclidean space. Probability measures with convexity or curvature properties, such as log-concave distributions, occupy an equally central role and arise in the study of Gaussian measures and non-trivial properties of the heat flow in Euclidean spaces. Also discussed are interactions of this circle of ideas with linear programming and sampling algorithms, including the solution of a question in online learning algorithms using a classical convexity construction from the 19th century.
Author | : Alexander Koldobsky |
Publisher | : American Mathematical Soc. |
Total Pages | : 178 |
Release | : 2014-11-12 |
Genre | : Mathematics |
ISBN | : 1470419521 |
The study of the geometry of convex bodies based on information about sections and projections of these bodies has important applications in many areas of mathematics and science. In this book, a new Fourier analysis approach is discussed. The idea is to express certain geometric properties of bodies in terms of Fourier analysis and to use harmonic analysis methods to solve geometric problems. One of the results discussed in the book is Ball's theorem, establishing the exact upper bound for the -dimensional volume of hyperplane sections of the -dimensional unit cube (it is for each ). Another is the Busemann-Petty problem: if and are two convex origin-symmetric -dimensional bodies and the -dimensional volume of each central hyperplane section of is less than the -dimensional volume of the corresponding section of , is it true that the -dimensional volume of is less than the volume of ? (The answer is positive for and negative for .) The book is suitable for graduate students and researchers interested in geometry, harmonic and functional analysis, and probability. Prerequisites for reading this book include basic real, complex, and functional analysis.
Author | : H. Groemer |
Publisher | : Cambridge University Press |
Total Pages | : 343 |
Release | : 1996-09-13 |
Genre | : Mathematics |
ISBN | : 0521473187 |
This book provides a comprehensive presentation of geometric results, primarily from the theory of convex sets, that have been proved by the use of Fourier series or spherical harmonics. An important feature of the book is that all necessary tools from the classical theory of spherical harmonics are presented with full proofs. These tools are used to prove geometric inequalities, stability results, uniqueness results for projections and intersections by hyperplanes or half-spaces and characterisations of rotors in convex polytopes. Again, full proofs are given. To make the treatment as self-contained as possible the book begins with background material in analysis and the geometry of convex sets. This treatise will be welcomed both as an introduction to the subject and as a reference book for pure and applied mathematics.
Author | : Luigi Ambrosio |
Publisher | : Springer Science & Business Media |
Total Pages | : 333 |
Release | : 2008-10-29 |
Genre | : Mathematics |
ISBN | : 376438722X |
The book is devoted to the theory of gradient flows in the general framework of metric spaces, and in the more specific setting of the space of probability measures, which provide a surprising link between optimal transportation theory and many evolutionary PDE's related to (non)linear diffusion. Particular emphasis is given to the convergence of the implicit time discretization method and to the error estimates for this discretization, extending the well established theory in Hilbert spaces. The book is split in two main parts that can be read independently of each other.
Author | : Jan Kohlhaase |
Publisher | : American Mathematical Society |
Total Pages | : 82 |
Release | : 2022-08-31 |
Genre | : Mathematics |
ISBN | : 1470453762 |
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