Degenerate Diffusion Operators Arising In Population Biology

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Degenerate Diffusion Operators Arising in Population Biology (AM-185)

Author : Charles L. Epstein
Publisher : Princeton University Press
ISBN 13 : 1400846102
Total Pages : 321 pages
Book Rating : 4.4/5 (8 download)

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Book Synopsis Degenerate Diffusion Operators Arising in Population Biology (AM-185) by : Charles L. Epstein

Download or read book Degenerate Diffusion Operators Arising in Population Biology (AM-185) written by Charles L. Epstein and published by Princeton University Press. This book was released on 2013-04-04 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the mathematical foundations for the analysis of a class of degenerate elliptic operators defined on manifolds with corners, which arise in a variety of applications such as population genetics, mathematical finance, and economics. The results discussed in this book prove the uniqueness of the solution to the Martingale problem and therefore the existence of the associated Markov process. Charles Epstein and Rafe Mazzeo use an "integral kernel method" to develop mathematical foundations for the study of such degenerate elliptic operators and the stochastic processes they define. The precise nature of the degeneracies of the principal symbol for these operators leads to solutions of the parabolic and elliptic problems that display novel regularity properties. Dually, the adjoint operator allows for rather dramatic singularities, such as measures supported on high codimensional strata of the boundary. Epstein and Mazzeo establish the uniqueness, existence, and sharp regularity properties for solutions to the homogeneous and inhomogeneous heat equations, as well as a complete analysis of the resolvent operator acting on Hölder spaces. They show that the semigroups defined by these operators have holomorphic extensions to the right half-plane. Epstein and Mazzeo also demonstrate precise asymptotic results for the long-time behavior of solutions to both the forward and backward Kolmogorov equations.

Degenerate Diffusion Operators Arising in Population Biology (AM-185)

Author : Charles L. Epstein
Publisher :
ISBN 13 : 9781400847181
Total Pages : 321 pages
Book Rating : 4.8/5 (471 download)

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Book Synopsis Degenerate Diffusion Operators Arising in Population Biology (AM-185) by : Charles L. Epstein

Download or read book Degenerate Diffusion Operators Arising in Population Biology (AM-185) written by Charles L. Epstein and published by . This book was released on 2013 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the mathematical foundations for the analysis of a class of degenerate elliptic operators defined on manifolds with corners, which arise in a variety of applications such as population genetics, mathematical finance, and economics. The results discussed in this book prove the uniqueness of the solution to the Martingale problem and therefore the existence of the associated Markov process. Charles Epstein and Rafe Mazzeo use an "integral kernel method" to develop mathematical foundations for the study of such degenerate elliptic operators and the stochastic processes they define. The precise nature of the degeneracies of the principal symbol for these operators leads to solutions of the parabolic and elliptic problems that display novel regularity properties. Dually, the adjoint operator allows for rather dramatic singularities, such as measures supported on high codimensional strata of the boundary. Epstein and Mazzeo establish the uniqueness, existence, and sharp regularity properties for solutions to the homogeneous and inhomogeneous heat equations, as well as a complete analysis of the resolvent operator acting on Hölder spaces. They show that the semigroups defined by these operators have holomorphic extensions to the right half-plane. Epstein and Mazzeo also demonstrate precise asymptotic results for the long-time behavior of solutions to both the forward and backward Kolmogorov equations.

Degenerate Diffusion Operators Arising in Population Biology

Author : Charles L. Epstein
Publisher : Princeton University Press
ISBN 13 : 0691157154
Total Pages : 320 pages
Book Rating : 4.6/5 (911 download)

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Book Synopsis Degenerate Diffusion Operators Arising in Population Biology by : Charles L. Epstein

Download or read book Degenerate Diffusion Operators Arising in Population Biology written by Charles L. Epstein and published by Princeton University Press. This book was released on 2013-04-07 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides the mathematical foundations for the analysis of a class of degenerate elliptic operators defined on manifolds with corners, which arise in a variety of applications such as population genetics, mathematical finance, and economics. The results discussed in this book prove the uniqueness of the solution to the Martingale problem and therefore the existence of the associated Markov process. Charles Epstein and Rafe Mazzeo use an "integral kernel method" to develop mathematical foundations for the study of such degenerate elliptic operators and the stochastic processes they define. The precise nature of the degeneracies of the principal symbol for these operators leads to solutions of the parabolic and elliptic problems that display novel regularity properties. Dually, the adjoint operator allows for rather dramatic singularities, such as measures supported on high codimensional strata of the boundary. Epstein and Mazzeo establish the uniqueness, existence, and sharp regularity properties for solutions to the homogeneous and inhomogeneous heat equations, as well as a complete analysis of the resolvent operator acting on Hölder spaces. They show that the semigroups defined by these operators have holomorphic extensions to the right half-plane. Epstein and Mazzeo also demonstrate precise asymptotic results for the long-time behavior of solutions to both the forward and backward Kolmogorov equations.

Information Geometry and Population Genetics

Author : Julian Hofrichter
Publisher : Springer
ISBN 13 : 3319520458
Total Pages : 320 pages
Book Rating : 4.3/5 (195 download)

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Book Synopsis Information Geometry and Population Genetics by : Julian Hofrichter

Download or read book Information Geometry and Population Genetics written by Julian Hofrichter and published by Springer. This book was released on 2017-02-23 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present monograph develops a versatile and profound mathematical perspective of the Wright--Fisher model of population genetics. This well-known and intensively studied model carries a rich and beautiful mathematical structure, which is uncovered here in a systematic manner. In addition to approaches by means of analysis, combinatorics and PDE, a geometric perspective is brought in through Amari's and Chentsov's information geometry. This concept allows us to calculate many quantities of interest systematically; likewise, the employed global perspective elucidates the stratification of the model in an unprecedented manner. Furthermore, the links to statistical mechanics and large deviation theory are explored and developed into powerful tools. Altogether, the manuscript provides a solid and broad working basis for graduate students and researchers interested in this field.

Advances in Harmonic Analysis and Partial Differential Equations

Author : Donatella Danielli
Publisher : American Mathematical Soc.
ISBN 13 : 1470448963
Total Pages : 200 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Advances in Harmonic Analysis and Partial Differential Equations by : Donatella Danielli

Download or read book Advances in Harmonic Analysis and Partial Differential Equations written by Donatella Danielli and published by American Mathematical Soc.. This book was released on 2020-04-09 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the proceedings of the AMS Special Session on Harmonic Analysis and Partial Differential Equations, held from April 21–22, 2018, at Northeastern University, Boston, Massachusetts. The book features a series of recent developments at the interface between harmonic analysis and partial differential equations and is aimed toward the theoretical and applied communities of researchers working in real, complex, and harmonic analysis, partial differential equations, and their applications. The topics covered belong to the general areas of the theory of function spaces, partial differential equations of elliptic, parabolic, and dissipative types, geometric optics, free boundary problems, and ergodic theory, and the emphasis is on a host of new concepts, methods, and results.

From Fourier Analysis and Number Theory to Radon Transforms and Geometry

Author : Hershel M. Farkas
Publisher : Springer Science & Business Media
ISBN 13 : 1461440742
Total Pages : 567 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis From Fourier Analysis and Number Theory to Radon Transforms and Geometry by : Hershel M. Farkas

Download or read book From Fourier Analysis and Number Theory to Radon Transforms and Geometry written by Hershel M. Farkas and published by Springer Science & Business Media. This book was released on 2012-09-18 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: A memorial conference for Leon Ehrenpreis was held at Temple University, November 15-16, 2010. In the spirit of Ehrenpreis’s contribution to mathematics, the papers in this volume, written by prominent mathematicians, represent the wide breadth of subjects that Ehrenpreis traversed in his career, including partial differential equations, combinatorics, number theory, complex analysis and a bit of applied mathematics. With the exception of one survey article, the papers in this volume are all new results in the various fields in which Ehrenpreis worked . There are papers in pure analysis, papers in number theory, papers in what may be called applied mathematics such as population biology and parallel refractors and papers in partial differential equations. The mature mathematician will find new mathematics and the advanced graduate student will find many new ideas to explore.A biographical sketch of Leon Ehrenpreis by his daughter, a professional journalist, enhances the memorial tribute and gives the reader a glimpse into the life and career of a great mathematician.

Control of Degenerate and Singular Parabolic Equations

Author : Genni Fragnelli
Publisher : Springer Nature
ISBN 13 : 303069349X
Total Pages : 105 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis Control of Degenerate and Singular Parabolic Equations by : Genni Fragnelli

Download or read book Control of Degenerate and Singular Parabolic Equations written by Genni Fragnelli and published by Springer Nature. This book was released on 2021-04-06 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects some basic results on the null controllability for degenerate and singular parabolic problems. It aims to provide postgraduate students and senior researchers with a useful text, where they can find the desired statements and the related bibliography. For these reasons, the authors will not give all the detailed proofs of the given theorems, but just some of them, in order to show the underlying strategy in this area.

Fokker-Planck-Kolmogorov Equations

Author : Vladimir I. Bogachev
Publisher : American Mathematical Soc.
ISBN 13 : 1470425580
Total Pages : 482 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Fokker-Planck-Kolmogorov Equations by : Vladimir I. Bogachev

Download or read book Fokker-Planck-Kolmogorov Equations written by Vladimir I. Bogachev and published by American Mathematical Soc.. This book was released on 2015-12-17 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an exposition of the principal concepts and results related to second order elliptic and parabolic equations for measures, the main examples of which are Fokker-Planck-Kolmogorov equations for stationary and transition probabilities of diffusion processes. Existence and uniqueness of solutions are studied along with existence and Sobolev regularity of their densities and upper and lower bounds for the latter. The target readership includes mathematicians and physicists whose research is related to diffusion processes as well as elliptic and parabolic equations.

Spaces of PL Manifolds and Categories of Simple Maps

Author : Friedhelm Waldhausen
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Spaces of PL Manifolds and Categories of Simple Maps by : Friedhelm Waldhausen

Download or read book Spaces of PL Manifolds and Categories of Simple Maps written by Friedhelm Waldhausen and published by . This book was released on 1940 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Descent in Buildings

Author : Bernhard Matthias Mühlherr
Publisher : Annals of Mathematics Studies
ISBN 13 : 9780691166902
Total Pages : 0 pages
Book Rating : 4.1/5 (669 download)

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Book Synopsis Descent in Buildings by : Bernhard Matthias Mühlherr

Download or read book Descent in Buildings written by Bernhard Matthias Mühlherr and published by Annals of Mathematics Studies. This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Princeton University Press is proud to have published the Annals of Mathematics Studies since 1940. One of the oldest and most respected series in science publishing, it has included many of the most important and influential mathematical works of the twentieth century. The series continues this tradition as Princeton University Press publishes the major works of the twenty-first century. To mark the continued success of the series, all hooks are again available in paperback. For a complete list of titles, please visit the Princeton University Press website: press.princeton.edu. The most recently published volumes include: Multi-parameter Singular Integrals, by Brian Street, Hangzhou Lectures on Eigenfunctions of the Laplacian, by Christopher D. Sogge, Chow Rings, Decomposition of the Diagonal, and the Topology of Families, by Claire Voisin, Spaces of PL Manifolds and Categories of Simple Maps, by Friedhelm Waldhausen, Bjorn Jahren, and John Rognes, Degenerate Diffusion Operators Arising in Population Biology, by Charles L. Epstein and Rafe Mazzeo, The Gross-Zagier Formula on Shimura Curves, by Xinyi Yuan, Shou-wu Zhang, and Wei Zhang, Mumford-Tate Groups and Domains: Their Geometry and Arithmetic, by Mark Green, Phillip A. Griffiths, and Matt Kerr, The Decomposition of Global Conformal Invariants, by Spyros Alexakis, Some Problems of Unlikely Intersections in Arithmetic and Geometry, by Umberto Zannier, Convolution and Equidistribution: Sato-Fate Theorems for Finite-Field Mellin Transforms, by Nicholas Katz.

Nonlinear PDEs

Author : Marius Ghergu
Publisher : Springer Science & Business Media
ISBN 13 : 3642226647
Total Pages : 402 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Nonlinear PDEs by : Marius Ghergu

Download or read book Nonlinear PDEs written by Marius Ghergu and published by Springer Science & Business Media. This book was released on 2011-10-21 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: The emphasis throughout the present volume is on the practical application of theoretical mathematical models helping to unravel the underlying mechanisms involved in processes from mathematical physics and biosciences. It has been conceived as a unique collection of abstract methods dealing especially with nonlinear partial differential equations (either stationary or evolutionary) that are applied to understand concrete processes involving some important applications related to phenomena such as: boundary layer phenomena for viscous fluids, population dynamics,, dead core phenomena, etc. It addresses researchers and post-graduate students working at the interplay between mathematics and other fields of science and technology and is a comprehensive introduction to the theory of nonlinear partial differential equations and its main principles also presents their real-life applications in various contexts: mathematical physics, chemistry, mathematical biology, and population genetics. Based on the authors' original work, this volume provides an overview of the field, with examples suitable for researchers but also for graduate students entering research. The method of presentation appeals to readers with diverse backgrounds in partial differential equations and functional analysis. Each chapter includes detailed heuristic arguments, providing thorough motivation for the material developed later in the text. The content demonstrates in a firm way that partial differential equations can be used to address a large variety of phenomena occurring in and influencing our daily lives. The extensive reference list and index make this book a valuable resource for researchers working in a variety of fields and who are interested in phenomena modeled by nonlinear partial differential equations.

Mathematical Reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 1770 pages
Book Rating : 4.X/5 (6 download)

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Book Synopsis Mathematical Reviews by :

Download or read book Mathematical Reviews written by and published by . This book was released on 2004 with total page 1770 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Parabolic Equations in Biology

Author : Benoît Perthame
Publisher : Springer
ISBN 13 : 331919500X
Total Pages : 199 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis Parabolic Equations in Biology by : Benoît Perthame

Download or read book Parabolic Equations in Biology written by Benoît Perthame and published by Springer. This book was released on 2015-09-09 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents several fundamental questions in mathematical biology such as Turing instability, pattern formation, reaction-diffusion systems, invasion waves and Fokker-Planck equations. These are classical modeling tools for mathematical biology with applications to ecology and population dynamics, the neurosciences, enzymatic reactions, chemotaxis, invasion waves etc. The book presents these aspects from a mathematical perspective, with the aim of identifying those qualitative properties of the models that are relevant for biological applications. To do so, it uncovers the mechanisms at work behind Turing instability, pattern formation and invasion waves. This involves several mathematical tools, such as stability and instability analysis, blow-up in finite time, asymptotic methods and relative entropy properties. Given the content presented, the book is well suited as a textbook for master-level coursework.

Hypocoercivity

Author : Cdric Villani
Publisher : American Mathematical Soc.
ISBN 13 : 0821844989
Total Pages : 154 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Hypocoercivity by : Cdric Villani

Download or read book Hypocoercivity written by Cdric Villani and published by American Mathematical Soc.. This book was released on 2009-10-08 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: This memoir attempts at a systematic study of convergence to stationary state for certain classes of degenerate diffusive equations, taking the general form ${\frac{\partial f}{\partial t}}+ L f =0$. The question is whether and how one can overcome the degeneracy by exploiting commutators.

Introduction to the Mathematics of Medical Imaging

Author : Charles L. Epstein
Publisher : SIAM
ISBN 13 : 9780898717792
Total Pages : 794 pages
Book Rating : 4.7/5 (177 download)

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Book Synopsis Introduction to the Mathematics of Medical Imaging by : Charles L. Epstein

Download or read book Introduction to the Mathematics of Medical Imaging written by Charles L. Epstein and published by SIAM. This book was released on 2008-01-01 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt: At the heart of every medical imaging technology is a sophisticated mathematical model of the measurement process and an algorithm to reconstruct an image from the measured data. This book provides a firm foundation in the mathematical tools used to model the measurements and derive the reconstruction algorithms used in most of these modalities. The text uses X-ray computed tomography (X-ray CT) as a 'pedagogical machine' to illustrate important ideas and its extensive discussion of background material makes the more advanced mathematical topics accessible to people with a less formal mathematical education. This new edition contains a chapter on magnetic resonance imaging (MRI), a revised section on the relationship between the continuum and discrete Fourier transforms, an improved description of the gridding method, and new sections on both Grangreat's formula and noise analysis in MR-imaging. Mathematical concepts are illuminated with over 200 illustrations and numerous exercises.

Nonlocal Diffusion Problems

Author : Fuensanta Andreu-Vaillo
Publisher : American Mathematical Soc.
ISBN 13 : 0821852302
Total Pages : 274 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Nonlocal Diffusion Problems by : Fuensanta Andreu-Vaillo

Download or read book Nonlocal Diffusion Problems written by Fuensanta Andreu-Vaillo and published by American Mathematical Soc.. This book was released on 2010 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlocal diffusion problems arise in a wide variety of applications, including biology, image processing, particle systems, coagulation models, and mathematical finance. These types of problems are also of great interest for their purely mathematical content. This book presents recent results on nonlocal evolution equations with different boundary conditions, starting with the linear theory and moving to nonlinear cases, including two nonlocal models for the evolution of sandpiles. Both existence and uniqueness of solutions are considered, as well as their asymptotic behaviour. Moreover, the authors present results concerning limits of solutions of the nonlocal equations as a rescaling parameter tends to zero. With these limit procedures the most frequently used diffusion models are recovered: the heat equation, the $p$-Laplacian evolution equation, the porous media equation, the total variation flow, a convection-diffusion equation and the local models for the evolution of sandpiles due to Aronsson-Evans-Wu and Prigozhin. Readers are assumed to be familiar with the basic concepts and techniques of functional analysis and partial differential equations. The text is otherwise self-contained, with the exposition emphasizing an intuitive understanding and results given with full proofs. It is suitable for graduate students or researchers. The authors cover a subject that has received a great deal of attention in recent years. The book is intended as a reference tool for a general audience in analysis and PDEs, including mathematicians, engineers, physicists, biologists, and others interested in nonlocal diffusion problems.

Spaces of PL Manifolds and Categories of Simple Maps

Author : Friedhelm Waldhausen
Publisher : Princeton University Press
ISBN 13 : 0691157766
Total Pages : 192 pages
Book Rating : 4.6/5 (911 download)

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Book Synopsis Spaces of PL Manifolds and Categories of Simple Maps by : Friedhelm Waldhausen

Download or read book Spaces of PL Manifolds and Categories of Simple Maps written by Friedhelm Waldhausen and published by Princeton University Press. This book was released on 2013-04-28 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its introduction by Friedhelm Waldhausen in the 1970s, the algebraic K-theory of spaces has been recognized as the main tool for studying parametrized phenomena in the theory of manifolds. However, a full proof of the equivalence relating the two areas has not appeared until now. This book presents such a proof, essentially completing Waldhausen's program from more than thirty years ago. The main result is a stable parametrized h-cobordism theorem, derived from a homotopy equivalence between a space of PL h-cobordisms on a space X and the classifying space of a category of simple maps of spaces having X as deformation retract. The smooth and topological results then follow by smoothing and triangulation theory. The proof has two main parts. The essence of the first part is a "desingularization," improving arbitrary finite simplicial sets to polyhedra. The second part compares polyhedra with PL manifolds by a thickening procedure. Many of the techniques and results developed should be useful in other connections.