125,595 Hits in 2.3 sec

Certain subclasses of univalent functions associated with a unification of the Srivastava-Attiya and Cho-Saigo-Srivastava operators

Gangadharan Murugusundaramoorthy
2015 Novi Sad Journal of Mathematics  
We introduce a new subclass corresponding to the class of k−uniformly convex and starlike functions associated with Hurwitz-Lerch zeta functions and determine many properties like the coefficient estimates  ...  an integral transform results, neighborhood results, integral means inequalities and subordination results. [16, 17, 18, 19] introduced the generalized integral operator Motivated essentially by the Srivastava-Attiya  ...  [6] , Lin and Srivastava [10] (see also [11, 20] ).  ... 
doi:10.30755/nsjom.2014.022 fatcat:7hcrspiscjfifeyklscvb3e5ry

The Tharus: A Study in Culture Dynamics.S. K. Srivastava

M. F. Nimkoff
1959 American Journal of Sociology  
Faris University of Washington The Tharus: A Study in Culture Dynamics. By S. K. Srivastava. Agra, India: Agra Univer- sity Press, 1958. Pp. xxi+343. Rs. 16.50.  ...  Srivastava’s book, then, is a field study with a deep practical concern. It draws up a balance sheet of the changes resulting from cultural contact and notes which are worth preserving and which not.  ... 
doi:10.1086/222702 fatcat:xs77l5gntfedjioyrvtlb6uoya

A new summation identity for the Srivastava–Singhal polynomials

Kung-Yu Chen
2004 Journal of Mathematical Analysis and Applications  
The main object of this sequel to Bavinck's work is to prove a generalization of this summation identity for the Srivastava-Singhal polynomials.  ...  A Math. Gen. 29 (1996) L277-L279] encountered and proved a certain summation identity for the classical Laguerre polynomials.  ...  Srivastava for his encouragements and a number of useful suggestions.  ... 
doi:10.1016/j.jmaa.2004.05.043 fatcat:dva6twdprzc5rlztatvbst464m

H.S. Srivastava, Manuals for schools, a guide for school administration

Roger-François Gauthier
2002 Revue internationale d'éducation Sèvres  
Srivastava, Manuals for schools, a guide for school administration S. Chand éditeur/ New Delhi, 2002, 342 p.  ...  Le professeur Srivastava nous rappelle par ailleurs que la fonction du « diplôme à vie » va nécessairement évoluer dans un monde économique plus attentif à la valorisation des compétences immédiates, débat  ... 
doi:10.4000/ries.1827 fatcat:5kdcgsk24rdl7b4wmimkzad4jy

A note on Srivastava and Hui's tests of multivariate normality

Zofia Hanusz, Joanna Tarasińska
2008 Journal of Multivariate Analysis  
The aim of the paper is to point out some imprecision in Srivastava and Hui's tests for multivariate normality. A correction for their tests is proposed.  ...  The authors thank the associate editor and a referee for their constructive comments and suggestions.  ...  A remark on the Srivastava and Hui's tests Tests described in the previous section require a small correction, namely, instead of S = 1 n−1 n i=1 (x i − x) (x i − x) , the maximum likelihood estimateS  ... 
doi:10.1016/j.jmva.2008.02.035 fatcat:csu34wmq5zhfbkk6kxe2ff5rp4

A Class of Starlike Functions Defined by the Dziok-Srivastava Operator

Herb Silverman, Gangadharan Murugusundaramoorhty, Kaliappan Vijaya
2009 Kyungpook Mathematical Journal  
A comprehensive class of starlike univalent functions defined by Dziok-Srivastava operator is introduced.  ...  Recently, Kanas and Srivastava [6] , Srivastava and Mishra [17] and Vijaya and Murugusundaramoorthy [19] defined subclasses of functions of U CV and SP making use of various operators .  ...  In this paper, we make use of Dziok-Srivastava operator [3] to investigate new subclasses of SP and U CV.  ... 
doi:10.5666/kmj.2009.49.1.095 fatcat:rhok6emj4verzp2yftqtfyy7p4

A class of analytic functions involving in the Dziok-Srivastava operator

Neng Xu, Ding-Gong Yang, Janusz Sokół
2013 Journal of Inequalities and Applications  
By means of the Dziok-Srivastava operator, we introduce a new subclass In particular, S 1 0 (2, 0, 0) coincides with the class of uniformly convex functions introduced by Goodman.  ...  Let A be a class of functions f (z) of the form which are analytic in the open unit disk U.  ...  Corresponding to the function z • l F m (α  , . . . , α l ; β  , . . . , β m ; z), the Dziok-Srivastava operator (see []) H(α  , . . . , α l ; β  , . . . , β m ) : AA is defined by the following  ... 
doi:10.1186/1029-242x-2013-138 fatcat:zdpaxr6fczc73bdi4gmxgvnlni

A General Family of the Srivastava-Gupta Operators Preserving Linear Functions

Vijay Gupta, Hari M. Srivastava
2018 European Journal of Pure and Applied Mathematics  
In the present sequel, we provide a general sequence of operators which preserve not only the constant functions, but also linear functions.  ...  The general sequence of positive linear operators containing some well-known operators as special cases were introduced in the earlier work by Srivastava and Gupta [9], which reproduce only the constant  ...  The present investigation was motivated essentially by the fact that the widely-studied Srivastava-Gupta operator V n,c (f, x) preserves only the constant functions, but not linear functions.  ... 
doi:10.29020/nybg.ejpam.v11i3.3314 fatcat:o6odn2wimvbarl4dsg74o2a5o4

A New Subclass of Harmonic Univalent Functions Associated with Dziok-Srivastava Operator

A. L. Pathak, K. K. Dixit, R. Agarwal
2012 International Journal of Mathematics and Mathematical Sciences  
The purpose of the present paper is to study a certain subclass of harmonic univalent functions associated with Dziok-Srivastava operator.  ...  We obtain coefficient conditions, distortion bounds, and extreme points for the above class of harmonic univalent functions belonging to this class and discuss a class preserving integral operator.  ...  Carlson-Shaffer operator L a, c 9 , the Ruscheweyh derivative operator D n 10 , and the Srivastava-Owa fractional derivative operators 11-13 .  ... 
doi:10.1155/2012/416875 fatcat:zlcumoge5bhlncc2kyuct4ul4e

On boundedness and compactness of a generalized Srivastava–Owa fractional derivative operator

Zainab E. Abdulnaby, Rabha W. Ibrahim, Adem Kılıçman
2018 Journal of King Saud University: Science  
The purpose of this present effort is to define a new fractional differential operator T b;s;c z , involving Srivastava-Owa fractional derivative operator.  ...  ., 1998; Dziok and Srivastava, 1999; Srivastava, 2007; Kiryakova, 2010) .  ...  with special functions, Dziok and Srivastava (1999) , defined a linear operator as a Hadamard product with an arbitrary p F q -function p 6 q þ 1, several authors interested Dziok-Srivastava operator  ... 
doi:10.1016/j.jksus.2016.09.010 fatcat:5w5nn5xk3jhxpiyarpu7eujdp4


Satwanti Devi, H.M. Srivastava, A. Swaminathan
2016 Korean Journal of Mathematics  
In this work, we first introduce a class of analytic functions involving the Dziok-Srivastava linear operator that generalizes the class of uniformly starlike functions with respect to symmetric points  ...  Dziok-Srivastava operator, which is known as the Wright-Srivastava operator defined by using the Fox-Wright generalized hypergeometric function (see, for details, [16] and [26] ; see also [30] and  ...  Then f m (z) κ) − (µ + κ)[1 − (−1) n ] (λ[ϕ n − 1] + 1)ψ n 2(1 − µ) |a n |. 4 ) 4 Inclusion Properties involving the Dziok-Srivastava operator145  ... 
doi:10.11568/kjm.2016.24.2.139 fatcat:qmq5hockpfdivdecamwotxqgiy

Holder Inequalities for a subclass of univalent functions involving Dziok-Srivastava Operator

Gangadharan Murugusundaramoorthy, K Vijaya, K Deepa
2013 Global Journal of Mathematical Analysis  
In this paper, we introduce a new subclasses of univalent functions defined in the open unit disc involving Dziok-Srivastava Operator .  ...  n z n (5) where [5] ), includes (as its special cases) various other linear operators introduced and studied by Carlson and Shaffer [3] , Ruscheweyh [10] and Owa-Srivastava [9] .  ...  A)(n − α)γ − B(n − 1)]Γ n a n z n−1 ] ≤ ∞ n=2 (1 + nλ − λ)[(n − 1)(1 − βB) + βγ(B − A)(n − α)]Γ n a n − βγ(B − A)(1 − α) ≤ 0, by hypothesis.  ... 
doi:10.14419/gjma.v1i3.938 fatcat:cxwguxuozbgcfpjwidas72dfyq

Classes of Analytic Functions Involving a Generalization by the Srivastava-Attiya Operator

F Ghanim, Anas Aljarah, Hiba F Al-Janaby
2020 Journal of Physics, Conference Series  
In this research article, we present a class defined by a new generalization operator Υ µ, ℘,κ,ε,ζ,ψ (κ κ ), (ω ),σ one that is studied and investigated recently by many authors.  ...  Srivastava [6] has proposed a new special function, namely, κ-generalized Hurwitz-Lerch zeta function, (see [7, 8, 9, 10, 11, 12, 13] ). Srivastava considered the following function: E (τ 1 , ...  ...  b r,s (z) = H a,b r,s      z (℘ 1 , A 1 ), · · · , (℘ r , A r ) (σ 1 , B 1 ), · · · , (σ s , B s )      = 1 2πi L ∆(µ)z − µ dµ z ∈ C \ {0}; | arg(z)| < π , (7) where ∆(µ) = a η=1 Γ(σ η + B η  ... 
doi:10.1088/1742-6596/1562/1/012005 fatcat:3hqdcpp7pzegvoj6kaubidcghi

On a Class of Meromorphic Functions Related to Cho-Kwon-Srivastava Operator

F. Ghanim, M. Darus
2012 ISRN Applied Mathematics  
We introduce new classes, Σn,λ*,μ,k(α,β,ρ) and Σn,λμ,k(α,β,ρ), of meromorphic functions defined by means of the Hadamard product of Cho-Kwon-Srivastava operator, and we define here a similar transformation  ...  by means of an operator given by Ghanim and Darus, in U={z:0<|z|<1}, and investigate a number of inclusion relationships of these classes.  ...  ., Srivastava H.  ... 
doi:10.5402/2012/272678 fatcat:kn3oeobqmzh7tgbpns35eeyy4u

A Note on Fractional Differential Subordination Based on the Srivastava-Owa Fractional Operator

Rabha Ibrahim, Maslina Darus
2014 Mathematical and Computational Applications  
In this work, we consider a definition for the concept of fractional differential subordination in sense of Srivastava-Owa fractional operators.  ...  In [3] , Srivastava and Owa gave definitions for fractional operators (derivative and integral) in the complex z-plane C as follows: Definition 1.1.  ...  = ) ( 1 1      n n n n z a z a a z f and this completes conclusion (i).  ... 
doi:10.3390/mca19020115 fatcat:nlvpszaeyrhl5mbcxb6zzyrkna
« Previous Showing results 1 — 15 out of 125,595 results