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Fractional Sobolev Spaces and Inequalities
The fractional Sobolev spaces studied in the book were introduced in the 1950s by Aronszajn, Gagliardo and Slobodeckij in an attempt to fill the gaps between the classical Sobolev spaces. They provide a natural home for solutions of a vast, and rapidly growing, number of questions involving differential equations and non-local effects, ranging from financial modelling to ultra-relativistic quantum mechanics, emphasising the need to be familiar with their fundamental properties and associated techniques. Following an account of the most basic properties of the fractional spaces, two celebrated inequalities, those of Hardy and Rellich, are discussed, first in classical format (for which a survey of the very extensive known results is given), and then in fractional versions. This book will be an Ideal resource for researchers and graduate students working on differential operators and boundary value problems.
Book Details
- Publisher: Cambridge University Press
- Publish Date: Oct 13rd, 2022
- Pages: 175
- Language: English
- Edition: undefined - undefined
- Dimensions: 9.00in - 6.00in - 0.50in - 0.92lb
- EAN: 9781009254632
- Categories: • Mathematical Analysis• Calculus
About the Author
Edmunds, D. E.: - D. E. Edmunds was Professor of Mathematics at Sussex University for twenty-six years; now Emeritus. He has co-authored nine books and written more than 230 papers. Honours include the LMS Pólya Prize, the Czech Academy of Sciences Bolzano Medal and the Medal for Mathematics of the Czech Mathematical Society.
Evans, W. D.: - W. D. Evans was a Professor in the School of Mathematics, Cardiff University for more than 30 years and is now Emeritus there. In 2011 he was elected Fellow of the Learned Society of Wales. His publications include eight co-authored books and about 200 research papers.
More books by D. E. Edmunds
Praise for this book
'Although introduced in the mid-1950s, the fractional spaces Ws p (Ω) have attracted much recent interest because of their many applications, in probability, continuum mechanics, mathematical biology and elsewhere. This monograph is a concise account of the fractional Banach spaces Ws p (Ω) and their embedding theorems, and of inequalities such as the fractional analogues of those attributed to Hardy and Rellich in the case of Sobolev spaces. While classical and fractional Sobolev spaces have much in common, it is noted that they differ in important respects, and results are derived from the basic definitions, rather than being inferred from the theory of other function spaces with which Ws p (Ω) can be identified, but only when the boundary of Ω is sufficiently regular. The text is a useful guide to the classical and emerging literature.' John Toland, University of Bath
'A comprehensive treatise of the theory of fractional Sobolev spaces, defined either on the ambient Euclidean space, or on its generic open subset, and the related inequalities. Striking dissimilarities are discovered in comparison to the classical theory. Contemporary challenging problems are tackled, such as the questions concerning the geometry of underlying domains, the effect of symmetrization techniques, the impact of interpolation, relations to Besov spaces, questions of compactness of embeddings, and more. The book will be of great use to graduate students and researchers of a wide array of scientific interests ranging from partial differential equations and calculus of variations, to approximation and interpolation theory, to the theory of function spaces and related areas. All of the material is accessible through real-variable methods. The only prerequisites, namely basic knowledge of measure theory and Lebesgue integration, will therefore be met by any standard graduate course in real analysis.' Lubos Pick, Charles University, Prague