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Representation with majorant of the Schwarz lemma at the boundary
Author(s) -
Bülent Nafi Örnek,
Tuğba Akyel
Publication year - 2017
Publication title -
publications de l institut mathematique
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.246
H-Index - 17
eISSN - 1820-7405
pISSN - 0350-1302
DOI - 10.2298/pim1715191o
Subject(s) - blaschke product , holomorphic function , mathematics , boundary (topology) , uniqueness , lemma (botany) , pure mathematics , representation (politics) , product (mathematics) , mathematical analysis , additive schwarz method , unit (ring theory) , combinatorics , geometry , physics , finite element method , ecology , poaceae , domain decomposition methods , mathematics education , politics , political science , law , biology , thermodynamics
Let f be a holomorphic function in the unit disc and |f(z)−1| < 1 for |z| < 1. We generalize the uniqueness portion of Schwarz’s lemma and provide sufficient conditions on the local behavior of f near a finite set of boundary points that needed for f to be a finite Blaschke product.

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