نتایج جستجو برای: locally univalent

تعداد نتایج: 81943  

2000
B. A. FRASIN M. DARUS

We consider the class of analytic functions B(α) to investigate some properties for this class. The angular estimates of functions in the class B(α) are obtained. Finally, we derive some interesting conditions for the class of strongly starlike and strongly convex of order α in the open unit disk. 2000 Mathematics Subject Classification. Primary 30C45.

Journal: :sahand communications in mathematical analysis 0
şahsene altınkaya department of mathematics, faculty of arts and science, university of uludag, 16059, bursa, turkey. sibel yalҫın department of mathematics, faculty of arts and science, university of uludag, 16059, bursa, turkey.

in this work, we obtain the fekete-szegö inequalities for the class $p_{sigma }left( lambda ,phi right) $ of bi-univalent functions. the results presented in this paper improve the recent work of prema and keerthi [11].

Journal: :sahand communications in mathematical analysis 2015
parisa hariri

in the present paper, we prove subordination, superordination and sandwich-type properties of a certain integral operators for univalent functions on open unit disc, moreover the special behavior of this class is investigated.

2013
Frini Karayanidis Sharna Jamadar Dearne Sanday

The task-switching paradigm provides a powerful tool to measure the development of core cognitive control processes. In this study, we use the alternating runs task-switching paradigm to assess preparatory control processes involved in flexibly preparing for a predictable change in task and stimulus-driven control processes involved in controlling stimulus-level interference. We present three e...

Journal: :Annales Polonici Mathematici 1997

Journal: :Bulletin of the Australian Mathematical Society 1984

Journal: :نظریه تقریب و کاربرد های آن 0
mohammad taati department of mathematics, payame noor university, p.o.box 19395-3697, tehran, iran.

in this paper we introduce and investigate a certain subclass of univalentfunctions which are analytic in the unit disk u.such results as coecientinequalities. the results presented here would provide extensions of those givenin earlier works.

Journal: :Int. J. Math. Mathematical Sciences 2013
Samaneh G. Hamidi Suzeini Abdul Halim Jay M. Jahangiri

License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. We consider meromorphic starlike univalent functions that are also bi-starlike and find Faber polynomial coefficient estimates for these types of functions. A function is said to be bi-starlike if both the function and its inverse are starlike univalent. Consider ...

2012
Elif Yasar Sibel Yalcin E. Yasar

In this paper, we investigate necessary and sufficient coefficient conditions, distortion bounds, extreme points and convex combination of a new subclass of harmonic univalent functions defined by a generalization of modified Salagean operator. 2000 Mathematics Subject Classification: 30C45, 30C50. 1.Introduction Let H denote the family of continuous complex valued harmonic functions which are ...

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