Pointwise And Uniform Convergence Of Fourier Series On Su2 PDF Download
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| Author | : Donald Forrest Myers |
| Publisher | : |
| Total Pages | : 155 |
| Release | : 2016 |
| Genre | : Convergence |
| ISBN | : |
Download Pointwise and Uniform Convergence of Fourier Series on SU(2) Book in PDF, ePub and Kindle
"Let f be a Lipschitz function on the special unitary group SU(2). We prove that the Fourier partial sums of f converge to f uniformly on SU(2), thereby extending theorems of Caccioppoli, Mayer, and a special case of Ragozin. Pointwise convergence theorems for the Fourier series of functions on SU(2), due to Liu and Qian, were obtained by Clifford algebra techniques. We obtain similar versions of these theorems using simpler proof techniques: classical harmonic analysis and group theory"--Abstract, page iii.
| Author | : Tyler Leaser |
| Publisher | : |
| Total Pages | : 125 |
| Release | : 2012 |
| Genre | : Fourier analysis |
| ISBN | : |
Download Fourier Analysis on SU(2) Book in PDF, ePub and Kindle
The set SU(2) of 2x2 unitary matrices with determinant one forms a compact non-abelian Lie group diffeomorphic to the three dimensional sphere. This thesis surveys general theory concerning analysis on compact Lie groups and applies this in the setting of SU(2). Our principal reference is J. Faraut's book {\em Analysis on Lie Groups}. Fundamental results in representation theory with compact Lie groups include the Peter-Weyl Theorem, Plancherel Theorem and a criterion for uniform convergence of Fourier series. On SU(2) we give explicit constructions for Haar measure and all irreducible unitary representations. For purposes of motivation and comparison we also consider analysis on U(1), the unit circle in the complex plane. In this context, the general theory specializes to yield classical results on Fourier series with periodic functions and the heat equation in one dimension. We discuss convergence behavior of Fourier series on SU(2) and show that Cauchy problem for the heat equation with continuous boundary data admits a unique solution.
| Author | : Juan Arias de Reyna |
| Publisher | : Springer |
| Total Pages | : 180 |
| Release | : 2004-10-13 |
| Genre | : Mathematics |
| ISBN | : 3540458220 |
Download Pointwise Convergence of Fourier Series Book in PDF, ePub and Kindle
This book contains a detailed exposition of Carleson-Hunt theorem following the proof of Carleson: to this day this is the only one giving better bounds. It points out the motivation of every step in the proof. Thus the Carleson-Hunt theorem becomes accessible to any analyst.The book also contains the first detailed exposition of the fine results of Hunt, Sjölin, Soria, etc on the convergence of Fourier Series. Its final chapters present original material. With both Fefferman's proof and the recent one of Lacey and Thiele in print, it becomes more important than ever to understand and compare these two related proofs with that of Carleson and Hunt. These alternative proofs do not yield all the results of the Carleson-Hunt proof. The intention of this monograph is to make Carleson's proof accessible to a wider audience, and to explain its consequences for the pointwise convergence of Fourier series for functions in spaces near $äcal Lü^1$, filling a well-known gap in the literature.
| Author | : Charles J. Mozzochi |
| Publisher | : Springer |
| Total Pages | : 94 |
| Release | : 2006-11-15 |
| Genre | : Mathematics |
| ISBN | : 3540366563 |
Download On the Pointwise Convergence of Fourier Series Book in PDF, ePub and Kindle
| Author | : Roelof W. Bruggeman |
| Publisher | : Springer Nature |
| Total Pages | : 217 |
| Release | : 2023-11-06 |
| Genre | : Mathematics |
| ISBN | : 3031431928 |
Download Representations of SU(2,1) in Fourier Term Modules Book in PDF, ePub and Kindle
This book studies the modules arising in Fourier expansions of automorphic forms, namely Fourier term modules on SU(2,1), the smallest rank one Lie group with a non-abelian unipotent subgroup. It considers the “abelian” Fourier term modules connected to characters of the maximal unipotent subgroups of SU(2,1), and also the “non-abelian” modules, described via theta functions. A complete description of the submodule structure of all Fourier term modules is given, with a discussion of the consequences for Fourier expansions of automorphic forms, automorphic forms with exponential growth included. These results can be applied to prove a completeness result for Poincaré series in spaces of square integrable automorphic forms. Aimed at researchers and graduate students interested in automorphic forms, harmonic analysis on Lie groups, and number-theoretic topics related to Poincaré series, the book will also serve as a basic reference on spectral expansion with Fourier-Jacobi coefficients. Only a background in Lie groups and their representations is assumed.
| Author | : Aongus O. Cairbre |
| Publisher | : |
| Total Pages | : 228 |
| Release | : 1982 |
| Genre | : |
| ISBN | : |
Download Pointwise Convergence of Fourier Series Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : 14 |
| Release | : 1990 |
| Genre | : |
| ISBN | : |
Download Pointwise Convergence of Fourier Series on Compact Lie Groups Book in PDF, ePub and Kindle
| Author | : Robert E. Edwards |
| Publisher | : |
| Total Pages | : 248 |
| Release | : 1979 |
| Genre | : Fourier series |
| ISBN | : |
Download Fourier Series, a Modern Introduction Book in PDF, ePub and Kindle
| Author | : Hubert Evelyn Bray |
| Publisher | : |
| Total Pages | : 74 |
| Release | : 1953 |
| Genre | : Convergence |
| ISBN | : |
Download Convergence of Fourier Series [and] Uniform Convergence of Fourier Series Book in PDF, ePub and Kindle
| Author | : Sandro Salsa |
| Publisher | : Springer |
| Total Pages | : 714 |
| Release | : 2015-04-24 |
| Genre | : Mathematics |
| ISBN | : 3319150936 |
Download Partial Differential Equations in Action Book in PDF, ePub and Kindle
The book is intended as an advanced undergraduate or first-year graduate course for students from various disciplines, including applied mathematics, physics and engineering. It has evolved from courses offered on partial differential equations (PDEs) over the last several years at the Politecnico di Milano. These courses had a twofold purpose: on the one hand, to teach students to appreciate the interplay between theory and modeling in problems arising in the applied sciences, and on the other to provide them with a solid theoretical background in numerical methods, such as finite elements. Accordingly, this textbook is divided into two parts. The first part, chapters 2 to 5, is more elementary in nature and focuses on developing and studying basic problems from the macro-areas of diffusion, propagation and transport, waves and vibrations. In turn the second part, chapters 6 to 11, concentrates on the development of Hilbert spaces methods for the variational formulation and the analysis of (mainly) linear boundary and initial-boundary value problems.
