Geodesic
Some Estimates for Holomorphic Functions at the Boundary of the Unit Disc
Kragujevac Journal of Mathematics, Tome 44 (2020) no. 3, p. 475 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

In this paper, for holomorphic function $f(z)=z+c_{2}z^{2}+c_{3}z^{3}+\cdots$ belong to the class of $\mathcal{N}(\lambda)$, it has been estimated from below the modulus of the angular derivative of the function $\frac{zf'(z)}{f(z)}$ on the boundary point of the unit disc.
Classification : 30C80 32A10
Keywords: Schwarz lemma, holomorphic function, angular limit 
@article{KJM_2020_44_3_a11,
     author = {B. N. Ornek},
     title = {Some {Estimates} for {Holomorphic} {Functions} at the {Boundary} of the {Unit} {Disc}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {475 },
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2020_44_3_a11/}
}
TY  - JOUR
AU  - B. N. Ornek
TI  - Some Estimates for Holomorphic Functions at the Boundary of the Unit Disc
JO  - Kragujevac Journal of Mathematics
PY  - 2020
SP  - 475 
VL  - 44
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KJM_2020_44_3_a11/
LA  - en
ID  - KJM_2020_44_3_a11
ER  - 
%0 Journal Article
%A B. N. Ornek
%T Some Estimates for Holomorphic Functions at the Boundary of the Unit Disc
%J Kragujevac Journal of Mathematics
%D 2020
%P 475 
%V 44
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KJM_2020_44_3_a11/
%G en
%F KJM_2020_44_3_a11
B. N. Ornek. Some Estimates for Holomorphic Functions at the Boundary of the Unit Disc. Kragujevac Journal of Mathematics, Tome 44 (2020) no. 3, p. 475 . http://geodesic.mathdoc.fr/item/KJM_2020_44_3_a11/