Tag: Locally

Square Roots of Elliptic Systems in Locally Uniform Domains


Free Download Square Roots of Elliptic Systems in Locally Uniform Domains by Sebastian Bechtel
English | PDF EPUB (True) | 2024 | 191 Pages | ISBN : 3031637674 | 21 MB
This book establishes a comprehensive theory to treat square roots of elliptic systems incorporating mixed boundary conditions under minimal geometric assumptions. To lay the groundwork, the text begins by introducing the geometry of locally uniform domains and establishes theory for function spaces on locally uniform domains, including interpolation theory and extension operators. In these introductory parts, fundamental knowledge on function spaces, interpolation theory and geometric measure theory and fractional dimensions are recalled, making the main content of the book easier to comprehend. The centerpiece of the book is the solution to Kato’s square root problem on locally uniform domains. The Kato result is complemented by corresponding Lp bounds in natural intervals of integrability parameters.

(more…)

Aspects of Harmonic Analysis on Locally Compact Abelian Groups


Free Download Aspects of Harmonic Analysis on Locally Compact Abelian Groups
English | 2024 | ISBN: 9811291713 | 760 Pages | PDF (True) | 42 MB
The Fourier transform is a ‘tool’ used in engineering and computer vision to model periodic phenomena. Starting with the basics of measure theory and integration, this book delves into the harmonic analysis of locally compact abelian groups. It provides an in-depth tour of the beautiful theory of the Fourier transform based on the results of Gelfand, Pontrjagin, and Andre Weil in a manner accessible to an undergraduate student who has taken linear algebra and introductory real analysis.

(more…)