Hermitian Toeplitz determinants for the class ${\mathcal{S}}$ of univalent functions

Armenian Journal of Mathematics

Nikola Tuneski¹  Milutin Obradović² 

[1] Ss. Cyril and Methodius University in Skopje;University of Belgrade;

关键词: univalent;    Hermitian Toepliz determinant of second order;    Hermitian Toepliz determinant of third order;    class U;    convex functions;   

DOI  :  

来源: DOAJ

【 摘 要 】

Introducing a new method, we give sharp estimates of the Hermitian Toeplitz determinants of third order for the class $\mathcal{S}$ of functions univalent in the unit disc. The new approach is also illustrated on some subclasses of the class $\mathcal{S}$.

【 授权许可】

Unknown