Fatou Type Theorems (Paperback)

Lingua: inglese

Editore: Springer-Verlag New York Inc., New York, NY, 2012

1461274966 / 9781461274964

Serie: Libro 31 di 170 - Progress in Mathematics

Da: Grand Eagle Retail, Bensenville, IL, U.S.A.Grand Eagle Retail

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Paperback. A basic principle governing the boundary behaviour of holomorphic func tions (and harmonic functions) is this: Under certain growth conditions, for almost every point in the boundary of the domain, these functions ad mit a boundary limit, if we approach the bounda-ry point within certain approach regions. For example, for bounded harmonic functions in the open unit disc, the natural approach regions are nontangential triangles with one vertex in the boundary point, and entirely contained in the disc [Fat06]. In fact, these natural approach regions are optimal, in the sense that convergence will fail if we approach the boundary inside larger regions, having a higher order of contact with the boundary. The first theorem of this sort is due to J. E. Littlewood [Lit27], who proved that if we replace a nontangential region with the rotates of any fixed tangential curve, then convergence fails. In 1984, A. Nagel and E. M. Stein proved that in Euclidean half spaces (and the unit disc) there are in effect regions of convergence that are not nontangential: These larger approach regions contain tangential sequences (as opposed to tangential curves). The phenomenon discovered by Nagel and Stein indicates that the boundary behaviour of ho)omor phic functions (and harmonic functions), in theorems of Fatou type, is regulated by a second principle, which predicts the existence of regions of convergence that are sequentially larger than the natural ones. A basic principle governing the boundary behaviour of holomorphic func tions (and harmonic functions) is this: Under certain growth conditions, for almost every point in the boundary of the domain, these functions ad mit a boundary limit, if we approach the bounda-ry point within certain approach regions. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.…

Codice articolo 9781461274964

Titolo
Fatou Type Theorems (Paperback)
Autore
F. Di Biase
Editore
Springer-Verlag New York Inc., New York, NY
Anno di pubblicazione
2012
Condizione
new
Rilegatura
Paperback
Lingua
inglese
ISBN 10
1461274966
ISBN 13
9781461274964
Serie
Libro 31 di 170: Progress in Mathematics

Grand Eagle Retail

Bensenville, IL, U.S.A.

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Venditore AbeBooks dal 12 ottobre 2005

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