Results 81 to 90 of about 217 (136)

On Certain Subclasses of Analytic Functions Associated with a Symmetric q-Differential Operator

open access: yesMathematics
This paper explores a class of analytic functions defined in the open unit disk by means of a symmetric q-differential operator. In the first part, we derive sufficient conditions for functions to belong to a subclass associated with this operator, using
Vasile-Aurel Caus
doaj   +1 more source

New Classes of Analytic Functions Involving Generalized Noor Integral Operator

open access: yesJournal of Inequalities and Applications, 2008
The present article investigates new classes of functions involving generalized Noor integral operator. Some properties of these functions are studied including characterization and distortion theorems.
Maslina Darus, Rabha W. Ibrahim
doaj   +1 more source

Differential sandwich theorems of p−valent analytic functions involving a linear operator

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2013
In this paper we derive some subordination and superordination results for certain p-valent analytic functions in the open unit disc, which are acted upon by a class of a linear operator.
Aouf M. K., Seoudy T. M.
doaj   +1 more source

Superordinate Words and Subordinate Words in mediate Association

open access: yes, 1969
The purpose of the study was to investigate the effectiveness of the superordinate and subordinate words as mediators in mediate association learning across three different age groups in the A-B, B-C, A-C mediation x paradigm. The effects of sex difference, high and low levels of associational fluency, as well as a type of pre-training which was done ...
openaire   +2 more sources

The Compressed Vocabulary of Microbial Life. [PDF]

open access: yesFront Microbiol, 2021
Caetano-Anollés G.
europepmc   +1 more source

Differential sandwich theorems of symmetric points associated with Dziok-Srivastava operator

open access: yesLe Matematiche, 2013
In this paper we obtain some applications of theory of differential subordination, superordination and sandwich results for the classes of symmetric points associated with Dziok-Srivastava operator.
Rabba M. El-Ashwah   +3 more
doaj  

On Differential Subordination, Superordination and Sandwich Theorems of Symmetric Analytic Functions

open access: yesAnnals of the Alexandru Ioan Cuza University - Mathematics, 2014
Abstract In this paper, we study the interesting properties of differential subor-dination and superordination for the classes of symmetric functions analytic in the unit disc. We derive sandwich results on the basis of this theory.
openaire   +2 more sources

Preserving properties of subordination and superordination of analytic functions involving the Wright generalized hypergeometric function

open access: yesLe Matematiche, 2013
In this paper, we obtain some subordination and superordination-preserving results of analytic functions associated with the Wright generalized hypergeometric function. Sandwich-type result involving this operator is also derived.
Jamal shenan
doaj  

Sandwich-type theorems for a class of integral operators with special properties

open access: yesSahand Communications in Mathematical Analysis, 2014
In the present paper, we prove subordination, superordination and sandwich-type properties of a certain integral operators for univalent functions on open unit disc, moreover the special behavior of this class is investigated.
Parisa Hariri
doaj  

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