Nine Mathematical Challenges: An Elucidation
Nine Mathematical Challenges: An Elucidation

Author: A. Kechris

Publisher: American Mathematical Soc.

Published: 2021-09-24

Total Pages: 221

ISBN-13: 1470454904

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This volume stems from the Linde Hall Inaugural Math Symposium, held from February 22–24, 2019, at California Institute of Technology, Pasadena, California. The content isolates and discusses nine mathematical problems, or sets of problems, in a deep way, but starting from scratch. Included among them are the well-known problems of the classification of finite groups, the Navier-Stokes equations, the Birch and Swinnerton-Dyer conjecture, and the continuum hypothesis. The other five problems, also of substantial importance, concern the Lieb–Thirring inequalities, the equidistribution problems in number theory, surface bundles, ramification in covers and curves, and the gap and type problems in Fourier analysis. The problems are explained succinctly, with a discussion of what is known and an elucidation of the outstanding issues. An attempt is made to appeal to a wide audience, both in terms of the field of expertise and the level of the reader.

From Complex Analysis to Operator Theory: A Panorama
From Complex Analysis to Operator Theory: A Panorama

Author: Malcolm Brown

Publisher: Springer Nature

Published: 2023-09-21

Total Pages: 731

ISBN-13: 3031311396

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This volume is dedicated to the memory of Sergey Naboko (1950-2020). In addition to original research contributions covering the vast areas of interest of Sergey Naboko, it includes personal reminiscences and comments on the works and legacy of Sergey Naboko’s scientific achievements. Areas from complex analysis to operator theory, especially, spectral theory, are covered, and the papers will inspire current and future researchers in these areas.

The Mathematical Analysis of the Incompressible Euler and Navier-Stokes Equations
The Mathematical Analysis of the Incompressible Euler and Navier-Stokes Equations

Author: Jacob Bedrossian

Publisher: American Mathematical Society

Published: 2022-09-21

Total Pages: 235

ISBN-13: 1470470497

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The aim of this book is to provide beginning graduate students who completed the first two semesters of graduate-level analysis and PDE courses with a first exposure to the mathematical analysis of the incompressible Euler and Navier-Stokes equations. The book gives a concise introduction to the fundamental results in the well-posedness theory of these PDEs, leaving aside some of the technical challenges presented by bounded domains or by intricate functional spaces. Chapters 1 and 2 cover the fundamentals of the Euler theory: derivation, Eulerian and Lagrangian perspectives, vorticity, special solutions, existence theory for smooth solutions, and blowup criteria. Chapters 3, 4, and 5 cover the fundamentals of the Navier-Stokes theory: derivation, special solutions, existence theory for strong solutions, Leray theory of weak solutions, weak-strong uniqueness, existence theory of mild solutions, and Prodi-Serrin regularity criteria. Chapter 6 provides a short guide to the must-read topics, including active research directions, for an advanced graduate student working in incompressible fluids. It may be used as a roadmap for a topics course in a subsequent semester. The appendix recalls basic results from real, harmonic, and functional analysis. Each chapter concludes with exercises, making the text suitable for a one-semester graduate course. Prerequisites to this book are the first two semesters of graduate-level analysis and PDE courses.

Topics in Applied Mathematics and Modeling
Topics in Applied Mathematics and Modeling

Author: Oscar Gonzalez

Publisher: American Mathematical Society

Published: 2022-12-05

Total Pages: 228

ISBN-13: 147046991X

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The analysis and interpretation of mathematical models is an essential part of the modern scientific process. Topics in Applied Mathematics and Modeling is designed for a one-semester course in this area aimed at a wide undergraduate audience in the mathematical sciences. The prerequisite for access is exposure to the central ideas of linear algebra and ordinary differential equations. The subjects explored in the book are dimensional analysis and scaling, dynamical systems, perturbation methods, and calculus of variations. These are immense subjects of wide applicability and a fertile ground for critical thinking and quantitative reasoning, in which every student of mathematics should have some experience. Students who use this book will enhance their understanding of mathematics, acquire tools to explore meaningful scientific problems, and increase their preparedness for future research and advanced studies. The highlights of the book are case studies and mini-projects, which illustrate the mathematics in action. The book also contains a wealth of examples, figures, and regular exercises to support teaching and learning. The book includes opportunities for computer-aided explorations, and each chapter contains a bibliography with references covering further details of the material.

Schrödinger Operators: Eigenvalues and Lieb–Thirring Inequalities
Schrödinger Operators: Eigenvalues and Lieb–Thirring Inequalities

Author: Rupert L. Frank

Publisher: Cambridge University Press

Published: 2022-11-17

Total Pages: 524

ISBN-13: 1009218441

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The analysis of eigenvalues of Laplace and Schrödinger operators is an important and classical topic in mathematical physics with many applications. This book presents a thorough introduction to the area, suitable for masters and graduate students, and includes an ample amount of background material on the spectral theory of linear operators in Hilbert spaces and on Sobolev space theory. Of particular interest is a family of inequalities by Lieb and Thirring on eigenvalues of Schrödinger operators, which they used in their proof of stability of matter. The final part of this book is devoted to the active research on sharp constants in these inequalities and contains state-of-the-art results, serving as a reference for experts and as a starting point for further research.

Density Functional Theory
Density Functional Theory

Author: Eric Cancès

Publisher: Springer Nature

Published: 2023-07-18

Total Pages: 595

ISBN-13: 3031223403

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Density functional theory (DFT) provides the most widely used models for simulating molecules and materials based on the fundamental laws of quantum mechanics. It plays a central role in a huge spectrum of applications in chemistry, physics, and materials science.Quantum mechanics describes a system of N interacting particles in the physical 3-dimensional space by a partial differential equation in 3N spatial variables. The standard numerical methods thus incur an exponential increase of computational effort with N, a phenomenon known as the curse of dimensionality; in practice these methods already fail beyond N=2. DFT overcomes this problem by 1) reformulating the N-body problem involving functions of 3N variables in terms of the density, a function of 3 variables, 2) approximating it by a pioneering hybrid approach which keeps important ab initio contributions and re-models the remainder in a data-driven way. This book intends to be an accessible, yet state-of-art text on DFT for graduate students and researchers in applied and computational mathematics, physics, chemistry, and materials science. It introduces and reviews the main models of DFT, covering their derivation and mathematical properties, numerical treatment, and applications.

Nine Mathematical Challenges
Nine Mathematical Challenges

Author: A. S. Kechris

Publisher: American Mathematical Soc.

Published: 2021

Total Pages: 0

ISBN-13: 9781470454906

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The finite simple groups and their classification / Michael Aschbacher -- Recent progress on the Birch and Swinnerton-Dyer conjecture / Ashay Burungale, Christopher Skinner and Ye Tian -- Bounding ramification by covers and curves / Hélène Esnault and Vasudevan Srinivas -- The Lieb-Thirring inequalities : recent results and open problems / Rupert Frank -- Some topological properties of surface bundles / Ursula Hämenstadt -- Some recent advances on Duke's equidistribution theorems / Philippe Michel -- Gap and type problems in Fourier analysis / Alex Poltoratski -- Quantitative bounds for critically bounded solutions to the Navier-Stokes equations / Terry Tao -- The continuum hypothesis / W. Hugh Woodin.

Bulletin of the Atomic Scientists
Bulletin of the Atomic Scientists

Author:

Publisher:

Published: 1970-12

Total Pages: 104

ISBN-13:

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The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Founded by Manhattan Project Scientists, the Bulletin's iconic "Doomsday Clock" stimulates solutions for a safer world.

On Their Own Terms
On Their Own Terms

Author: Benjamin A. Elman

Publisher: Harvard University Press

Published: 2009-07-01

Total Pages: 606

ISBN-13: 0674036476

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In On Their Own Terms, Benjamin A. Elman offers a much-needed synthesis of early Chinese science during the Jesuit period (1600-1800) and the modern sciences as they evolved in China under Protestant influence (1840s-1900). By 1600 Europe was ahead of Asia in producing basic machines, such as clocks, levers, and pulleys, that would be necessary for the mechanization of agriculture and industry. In the seventeenth and eighteenth centuries, Elman shows, Europeans still sought from the Chinese their secrets of producing silk, fine textiles, and porcelain, as well as large-scale tea cultivation. Chinese literati borrowed in turn new algebraic notations of Hindu-Arabic origin, Tychonic cosmology, Euclidian geometry, and various computational advances. Since the middle of the nineteenth century, imperial reformers, early Republicans, Guomindang party cadres, and Chinese Communists have all prioritized science and technology. In this book, Elman gives a nuanced account of the ways in which native Chinese science evolved over four centuries, under the influence of both Jesuit and Protestant missionaries. In the end, he argues, the Chinese produced modern science on their own terms.