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Upper bound of the third Hankel determinant for a subclass of q-starlike functions associated with the q-exponential function
Bulletin des Sciences Mathématiques ( IF 1.3 ) Pub Date : 2021-01-27 , DOI: 10.1016/j.bulsci.2020.102942
H.M. Srivastava , Bilal Khan , Nazar Khan , Muhammad Tahir , Sarfraz Ahmad , Nasir Khan

By making use of the concept of basic (or q-) calculus, a subclass S(L,q) of q-starlike functions, which is associated with the q-exponential function, is introduced here in the open unit disk U given byU={z:zCand|z|<1}. The main object of this article is to determine the upper bound of the third-order Hankel determinant H3(1) for functions belonging to the q-starlike function class S(L,q). For validity of our results, relevant connections with those in earlier works are also pointed out.



中文翻译:

关于与q指数函数相关的q星形函数的子类的第三个Hankel行列式的上限

通过利用基本(或q-)演算的概念,一个子类小号大号qq指数函数相关联的q -starlike函数的集合在此处引入开放式单元磁盘üü={žžC|ž|<1个} 本文的主要目的是确定三阶Hankel行列式的上限 H31个用于属于q -starlike函数类的函数小号大号q。为了保证我们的结果的正确性,还指出了与早期作品中相关的联系。

更新日期:2021-01-29
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