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1
Content available Fekete-Szegö problems for certain class of analytic functions associated with quasi-subordination
Sahoo P.
Journal of Mathematics and Applications
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2017
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Vol. 40
161--170
EN
In this paper, we determine the coefficient estimates and the Fekete-Szegö inequalities for [wzór], the class of analytic and univalent functions associated with quasi-subordination.
2
Content available remote Non linear differential polynomials sharing fixed points with finite weights
Banerjee A., Sahoo P.
Demonstratio Mathematica
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2013
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Vol. 46, nr 1
51--62
EN
We employ the notion of weighted sharing to investigate the uniqueness of meromorphic functions when two nonlinear differential polynomials share fixed points. The results of the paper improve and generalize the recent results due to Xu–Lu–Yi [10].
3
Content available remote Some applications of differential subordination to a class of analytic functions
Patel J., Sahoo P.
Demonstratio Mathematica
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2002
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Vol. 35, nr 4
749-762
EN
We introduce (and investigate various properties and characteristics of) certain class Hn (A, B) of analytic functions in the open unit disc by using the techniques of Briot-Bouquet differential subordination. Relevant connections of the results obtained here with the earlier works are pointed out.
4
Content available remote Properties of a class of analytic functions involving a linear operator
Patel J., Sahoo P.
Demonstratio Mathematica
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2002
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Vol. 35, nr 3
495-507
5
On the subclassesof functions connected with some linear operators
Patel J., Sahoo P., Stankiewicz J.
Zeszyty Naukowe Politechniki Rzeszowskiej. Matematyka
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2001
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z. 25 [190]
151-165
EN
The object of the present paper is to introduce two subclasses Bk,p (a, c) and Ck,p (a, c) of analytic functions in the open unit disc involving a linear operator [...] (a, c) and derive some properties of these classes.
6
On certain subclasses of meromorphically p-valent functions
Patel J., Sahoo P.
Zeszyty Naukowe Politechniki Rzeszowskiej. Matematyka
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2001
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z. 25 [190]
139-149
EN
The object of the present paper is to investigate some properties and characteristics of the subclasses summation n,p (alpha) and [...]n,p (alpha) of meromorphically p-valent functions in the annulus U ={z :0 <\z\ <1}. We also study certain integrals of functions belonging to these classes.
7
On a class of analytic functions with negative coefficients
Patel J., Sahoo P.
Zeszyty Naukowe Politechniki Rzeszowskiej. Matematyka
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2000
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z. 24 [181]
87-101
EN
In this paper, we introduce and study some classes of analytic functions in the unit disk. Comparable results, results concerning the Quasi-Hadamard product and distortion theorems involving fractional calculus of functions belonging to the class are obtained.
8
Content available remote On the stability of a mean value type functional equation
Jung S., Sahoo P.
Demonstratio Mathematica
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2000
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Vol. 33, nr 4
793-796
EN
In this paper, we prove the stability results of a mean value type functional equation, namely f (x) - g{y) = (x - y)h(x 4- y) which arises from the mean value theorem.
9
On the Hadamard product of certain meromorphic univalent function
Patel J., Sahoo P.
Zeszyty Naukowe Politechniki Rzeszowskiej. Matematyka
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1999
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z. 23 [175]
92-104
EN
In the paper some properties of the Hadamard product of functions from the special subclasses of meromorphic functions with nonnegative Laurent coefficients denned in the punctured unit disc are investigated.
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