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pro vyhledávání: '"Selin Aydinoğlu"'
Autor:
Selin Aydinoğlu, Nafi Örnek
Publikováno v:
Filomat. 36:3679-3688
In this paper, we give an upper bound of Hankel determinant of (H2(1)) for the classes of M(?), ? ? C. Also, for M(?), we obtain a sharp estimate for the classical Fekete-Szeg? inequality. That is, we will get a sharp upper bound for the Hankel deter
Autor:
Bülent Nafi Örnek, Selin Aydinoğlu
Publikováno v:
The Journal of Analysis. 29:891-903
In this paper, we give some results on $$\frac{zf^{\prime }(z)}{f(z)}$$ for the certain classes of f(z) meromorphic functions. For the function $$f(z)= \frac{1}{z}+c_{0}+c_{1}z+c_{2}z^{2}+\cdots$$ defined in the punctured disc $$U=\left\{ z:0
Autor:
Selin Aydinoğlu, Bülent Nafi Örnek
Publikováno v:
Novi Sad Journal of Mathematics. 48:125-139