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Generic Behavior of Classes of Taylor Series Outside the Unit Disk.

Authors :
Costakis, George
Jung, Andreas
Müller, Jürgen
Source :
Constructive Approximation. Jun2019, Vol. 49 Issue 3, p509-524. 16p.
Publication Year :
2019

Abstract

It is known that, generically, Taylor series of functions holomorphic in the unit disk turn out to be "maximally divergent" outside of the disk. For functions in classical Banach spaces of holomorphic functions, as for example, Hardy spaces or the disk algebra, the situation is more delicate. In this paper, it is shown that the behavior of the partial sums on sets outside the open unit disk sensitively depends on the way the sets touch the unit circle. As main tools, results on simultaneous approximation by polynomials are proved. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
01764276
Volume :
49
Issue :
3
Database :
Academic Search Index
Journal :
Constructive Approximation
Publication Type :
Academic Journal
Accession number :
136223727
Full Text :
https://doi.org/10.1007/s00365-018-9425-7