On Sharp Bound of the Third Hankel Determinant for Functions in 𝒮∗(α)
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DOI: 10.1002/mma.11091
Abstract: In this paper, we provide an estimation for the sharp bound of the third‐order Hankel determinant of starlike functions of order α$$ \alpha $$ , where α$$ \alpha $$ ranges in the interval [0,1/6]$$ \left[0,1/6\right]… read more here.
Keywords: sharp bound; determinant functions; third hankel; hankel determinant ... See more keywords
Upper Bound of the Third Hankel Determinant for a Subclass of q-Starlike Functions
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DOI: 10.3390/sym11030347
Abstract: The main purpose of this article is to find the upper bound of the third Hankel determinant for a family of q-starlike functions which are associated with the Ruscheweyh-type q-derivative operator. The work is motivated… read more here.
Keywords: starlike functions; upper bound; bound third; third hankel ... See more keywords