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http://dx.doi.org/10.4134/BKMS.b190126

HYPERBOLICALLY CLOSE TO Q#p-SEQUENCES  

Aulaskari, Rauno (Department of Physics and Mathematics University of Eastern Finland)
Makhmutov, Shamil (Department of Mathematics College of Science Sultan Qaboos University)
Rattya, Jouni (Department of Physics and Mathematics University of Eastern Finland)
Publication Information
Bulletin of the Korean Mathematical Society / v.57, no.1, 2020 , pp. 133-138 More about this Journal
Abstract
It is shown that each sequence lying sufficiently close in the hyperbolic sense to a Q#p-sequence for a meromorphic function f in the unit disc is also a Q#p-sequence for f.
Keywords
Normal function; ${\mathcal{N}}$-sequence; spherical derivative; $Q^{\sharp}_p$-class; $Q^{\sharp}_p$-sequence;
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