Konu "Coefficient inequality" için listeleme
Toplam kayıt 14, listelenen: 1-14
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Bounded harmonic mappings related to starlike functions
(Amer Inst Physics, 2014-12-17)Let f = h(z) + <(g(z))over bar> be a sense-preserving harmonic mapping in the open unit disc D = {z vertical bar vertical bar z vertical bar < 1}. If f satisfies the condition vertical bar 1/b(1) g'(z)/h' (z) - M vertical ... -
Certain class of harmonic mappings related to starlike functions
(Işık University Press, 2014)Let S? be the class of starlike functions and let SH be the class of harmonic mappings in the plane. In this paper we investigate harmonic mapping related to the starlike functions. -
Harmonic function for which the second dilatation is ?-spiral
(Springer International Publishing AG, 2012)Let f = h + (g) over bar be a harmonic function in the unit disc . We will give some properties of f under the condition the second dilatation is alpha-spiral. -
Harmonic mappings related to Janowski convex functions of complex order b
(2013)Let SH be the class of all sense-preserving harmonic mappings in the open unit disc D = {z ? ? -
Harmonic mappings related to Janowski starlike functions
(Elsevier Science BV, 2014-11)The main purpose of the present paper is to give the extent idea which was introduced by Robinson(1947) [6]. One of the interesting application of this extent idea is an investigation of the class of harmonic mappings ... -
Harmonic mappings related to starlike function of complex order ?
(Işık University Press, 2014)Let SH be the class of harmonic mappings defined by SH = { f = h(z) + g(z) | h(z) = z + ?? n=2 anz?, g(z) = ?? n=1 bnz?} The purpose of this talk is to present some results about harmonic mappings which was introduced by ... -
Harmonic mappings related to the convex functions
(Işık University Press, 2014)The main purpose of this paper is to give the extent idea which was introduced by R. M. Robinson [5]. One of the interesting application of this extent idea is an investigation of the class of harmonic mappings related to ... -
A new subclass of bi-univalent functions defined by q-derivative
(Işık University Press, 2019)In this investigation we introduce, by making use of q−derivative operator, a new subclass which are an extension of some well-known subclasses of bi-univalent functions. Also, we give the upper bounds for the coefficients ... -
Notes on Harmonic Functions for which the second Dilatation is ? - spiral
(Eudoxus Press, 2015-06)In this study, we consider, f = h + (g) over bar harmonic functions in the unit disc D. By applying S. S. Miller and P. M. Mocanu result, we obtain a new subclass of harmonic functions, such as S-HPST*(alpha, beta) We ... -
Notes on starlike log-harmonic functions of order ?
(2013)For log-harmonic functions f(z) = zh(z)g(z) in the open unit disk U, two subclasses H*LH(?) and G*LH(?) of S*LH(?) consisting of all starlike log-harmonic functions of order ? (0 ? ? < 1) are considered. The object of ... -
q-Starlike functions of order alpha
(Işık University Press, 2018)For all q ? (0, 1) and 0 ? ? < 1 we define a class of analytic functions, so-called q-starlike functions of order ? on the open unit disc D = {z : |z| < 1} . We will study this class of functions and explore some inclusion ... -
Quasiconformal harmonic mappings related to Janowski alpha-spirallike functions
(Amer Inst Physics, 2014)Let f = h(z) + g(z) be a univalent sense-preserving harmonic mapping of the open unit disc D = {z/vertical bar z vertical bar < 1}. If f satisfies the condition vertical bar omega(z)vertical bar = vertical bar g'(z)/h'(z)vertical ... -
Quasiconformal harmonic mappings related to starlike functions
(Eudoxus Press, 2014-07)Let f = h(z) + <(g(z))over bar> be a univalent sense-preserving harmonic mapping of the unit disc D = {z is an element of C parallel to z vertical bar < 1}. If f satisfies the condition vertical bar w(z)vertical bar = ... -
Subclasses of multivalent functions of complex order associated with sigmoid function and bernoulli lemniscate
(Işık University Press, 2020)In this present work, subclasses of multivalent functions of complex order associated with simple logistic sigmoid activation function and Bernoulli Lemniscate were investigated. Early few coefficient bounds, relevant ...