We find conditions on the complex-valued function A : U → C defined
in the unit disc U such that the differential inequality
Re [A(z)p
2
(z) − α(zp
0
(z) − 1)2 + 2β(zp
0
(z))2 + γ] > 0
implies Re p(z) > 0, where p ∈ H[1, n], α, β ∈ C and n is a positive
integer.
Primary Language | English |
---|---|
Subjects | Statistics |
Journal Section | Mathematics |
Authors | |
Publication Date | January 1, 2007 |
Published in Issue | Year 2007 Volume: 36 Issue: 1 |