44 citations · 76 across the 5 of their papers we have counts for
8 papers
Radii of the uniformly convex of order of Lommel and Struve functions
Sercan Topkaya, Erhan Deniz, Murat Çağlar
In this paper, we determine the radii of uniformly convex of order for three kinds of normalized Lommel and Struve functions of the first kind. In the cases considered the…
Second Hankel determinant for bi-starlike and bi-convex functions of order \b{eta}
Erhan Deniz, Murat Çağlar, Halit Orhan
In the present investigation the authors obtain upper bounds for the second Hankel determinant of the classes bi-starlike and bi-convex functions of order beta.
Starlikeness of Bessel functions and their derivatives
Árpád Baricz, Murat Çağlar, Erhan Deniz
In this paper necessary and sufficient conditions are deduced for the starlikeness of Bessel functions of the first kind and their derivatives of the second and third order by usin…
Coefficient bounds for new subclasses of bi-univalent functions
Murat Çağlar, Halit Orhan, Nihat Yağmur
In the present investigation, we consider two new subclasses N_{Σ}^{μ}(α,λ) and N_{Σ}^{μ}(β,λ) of bi-univalent functions defined in the open unit disk U={z:|z|<1}. Besides, we find…
On neighborhood and partial sums problem for generalized Sakaguchi type functions
Murat Çağlar, Halit Orhan
In the present investigation, we introduce a new class k-US_{s}^{η}(λ,μ,γ,t) of analytic functions in the open unit disc U with negative coefficients. The object of the present pap…
Some sufficient conditions for the univalence of an integral operator
Halit Orhan, Dorina Răducanu, Murat Çağlar
Making use of the method of subordination chains, we obtain some sufficient conditions for the univalence of an integral operator. In particular, as special cases, our results impl…