Boundary rigidity for some classes of meromorphic functions
نویسندگان
چکیده
منابع مشابه
Boundary Rigidity for Some Classes of Meromorphic Functions
Let f be a function meromorphic on the open unit disk D, with angular boundary limits bounded by one in modulus almost everywhere on the unit circle. We give sufficient conditions in terms of boundary asymptotics at finitely many points on the unit circle T for f to be a ratio of two finite Blaschke products. A necessary condition is that f has finitely many poles in D, i.e., that f is a genera...
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ژورنال
عنوان ژورنال: Operators and Matrices
سال: 2009
ISSN: 1846-3886
DOI: 10.7153/oam-03-18