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Altinkaya, Sahsene,Yalcin, Sibel The Honam Mathematical Society 2018 호남수학학술지 Vol.40 No.3
The object of this paper to construct a new class $$A^m_{{\mu},{\lambda},{\delta}}({\alpha},{\beta},{\gamma},t,{\Psi})$$ of bi-univalent functions of complex order defined in the open unit disc. The second and the third coefficients of the Taylor-Maclaurin series for functions in the new subclass are determined. Several special consequences of the results are also indicated.
ON A NEW CLASS OF SALAGEAN-TYPE HARMONIC UNIVALENT FUNCTIONS ASSOCIATED WITH SUBORDINATION
Altinkaya, Sahsene,Cakmak, Serkan,Yalcin, Sibel The Honam Mathematical Society 2018 호남수학학술지 Vol.40 No.3
In this present investigation, we introduce a new class of harmonic univalent functions of the form $f=h+{\bar{g}}$ in the open unit disk ${\Delta}$. We get basic properties, like, necessary and sufficient convolution conditions, distortion bounds, compactness and extreme points for these classes of functions.
SUBCLASSES OF ANALYTIC FUNCTIONS DEFINED BY LOMMEL OPERATOR
Altinkaya, Sahsene,Badar, Rizwan Salim,Noor, Khalida Inayat Korean Mathematical Society 2022 대한수학회논문집 Vol.37 No.2
We use convolution techniques to define certain classes of starlike functions which are associated with Lommel operator. Some inclusion results are investigated. It is also shown that these classes are invariant under Bernardi integral operator.
( Sahsene Altinkaya ),( Sibel Yalcin ) 호남수학회 2018 호남수학학술지 Vol.40 No.3
The object of this paper to construct a new class of bi-univalent functions of complex order defined in the open unit disc. The second and the third coefficients of the Taylor-Maclaurin series for functions in the new subclass are determined. Several special consequences of the results are also indicated.
ON A NEW CLASS OF SALAGEAN-TYPE HARMONIC UNIVALENT FUNCTIONS ASSOCIATED WITH SUBORDINATION
( Sahsene Altinkaya ),( Serkan Cakmak ),( Sibel Yalcin ) 호남수학회 2018 호남수학학술지 Vol.40 No.3
In this present investigation, we introduce a new class of harmonic univalent functions of the form f = h + g in the open unit disk △. We get basic properties, like, necessary and suffi-cient convolution conditions, distortion bounds, compactness and extreme points for these classes of functions.
On sharp general coefficient estimates for $\vartheta$-spirallike functions
Sahsene Altinkaya,Tugba Yavuz 대한수학회 2023 대한수학회논문집 Vol.38 No.2
This paper attempts to investigate a new subfamily \linebreak $\mathcal{ST}_{\vartheta ,\sigma}\left( \alpha ,\beta ,\gamma ,\mu \right) $ of spirallike functions endowed with Mittag-Leffler and Wright functions. The paper further investigates sharp coefficient bounds for functions that belong to this class.
On “A Flexible Window Function for Spectral Analysis” [Letter to Editor]
IEEE 2011 IEEE signal processing magazine Vol.28 No.4
<P>A window derived from the Butterworth filter does allow a tradeoff between frequency resolution and sidelobe attenuation, but it has no special property to eliminate this tradeoff. Furthermore, some classical windows, such as the Kaiser and Chebyshev windows, can tackle that tradeoff problem more successfully.</P>
Coefficient Estimates for Sãlãgean Type λ-bi-pseudo-starlike Functions
Joshi Santosh,Altinkaya, Sahsene,Yalcin, Sibel Department of Mathematics 2017 Kyungpook mathematical journal Vol.57 No.4
In this paper, we have constructed subclasses of bi-univalent functions associated with ${\lambda}$-bi-pseudo-starlike functions in the unit disc U. Furthermore we established bound on the coefficients for the subclasses $S^{\lambda}_{\Sigma}(k,{\alpha})$ and $S^{\lambda}_{\Sigma}(k,{\beta})$.
APPLICATIONS ON FOURTH-ORDER DIFFERENTIAL SUBORDINATION FOR p-VALENT MEROMORPHIC FUNCTIONS
( WAGGAS GALIB ATSHAN ),( SARAH A. AL-AMEEDEE ),( FAEZ ALI AL-MAAMORI ),( Şahsene Altinkaya ) 호남수학회 2021 호남수학학술지 Vol.43 No.3
In this current study, we aim to give some applications on fourth-order differential subordination for p-valent meromorphic functions in the region U* = {z ∈ C : 0 < |z| < 1} = U\{0}, where U = {z ∈ C : |z| < 1} , involving the linear operator L*<sub>p</sub>f. By making use of basic concepts in theory of the fourth-order, we find new outcomes.
A SUBCLASS OF ANALYTIC FUNCTIONS DEFINED BY USING MITTAG-LEFFLER FUNCTION
( Tahir Mahmood ),( Muhammad Naeem ),( Saqib Hussain ),( Shahid Kjan ),( Şahsene Altinkaya ) 호남수학회 2020 호남수학학술지 Vol.42 No.3
In this paper, new subclasses of analytic functions are proposed by using Mittag-Leffler function. Also some properties of these classes are studied in regard to coefficient inequality, distortion theorems, extreme points, radii of starlikeness and convexity and obtained numerous sharp results.