Filomat 2010 Volume 24, Issue 4, Pages: 25-34
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Some counterexamples related to the theory of HQC mappings
Božin Vladimir, Mateljević Miodrag
We give examples that show that several of the theorems in the theory of HQC mappings cannot be strenghtened by weakening or omitting some of the conditions. In particular, we study Kellogg type problems and characterizations of HQC condition.
Keywords: complex functions, planar convex harmonic mappings
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