Journal of the Egyptian Mathematical Society
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On operator ideals using weighted Cesàro sequence space
We have introduced a class Ap,q(s) of s-type ces(p,q) operators by using weighted Cesàro sequence space for 1
<∞. It is shown that the class Ap,q(s) forms a quasi-Banach operator ideal. Moreover, the inclusion relations among the operator ideals as well as the inclusion relations among their duals...
Generalized left derivations acting as homomorphisms and anti-homomorphisms on Lie ideal of rings
Let R be a prime ring with characteristic different from 2 and L be a Lie ideal of R. In this paper, we characterize generalized left derivation, which acts as a homomorphisms or an anti-homomorphisms on L.
Approximate boundary controllability of Sobolev-type stochastic differential systems
The objective of this paper is to investigate the approximate boundary controllability of Sobolev-type stochastic differential systems in Hilbert spaces. The control function for this system is suitably constructed by using the infinite dimensional controllability operator. Sufficient cond...
A comparative study of numerical methods for solving the generalized Ito system
This paper is devoted to the numerical comparison of methods applied to solve the generalized Ito system. Four numerical methods are compared, namely, the Laplace decomposition method (LDM), the variation iteration method (VIM), the homotopy perturbation method (HPM) and the Laplace decomp...
Generalized derivations with power values in rings and Banach algebras
We also examine the case when R is a semiprime ring. Finally, we apply the above result to Banach algebras....
Operation approaches on α-γ-I-open sets and α-γ-I-continuous functions in topological spaces
In this paper, the notion of α-γ-I-open sets in a topological space together with its corresponding interior and closure operators are introduced. Further, the concept of α-γ-I-continuous functions and α-γ-I-open functions are introduced and some of their basic properties are studied....
On integral operators for certain classes of p-valent functions associated with generalized multiplier transformations
In this paper, we study new generalized integral operators for the classes of p-valent functions associated with generalized multiplier transformations.
Mixed convection flow of a micropolar fluid from an unsteady stretching surface with viscous dissipation
An analysis is performed to study the unsteady mixed convection flow of a viscous incompressible micropolar fluid adjacent to a heated vertical surface in the presence of viscous dissipation when the buoyancy force assists or opposes the flow. The flow of the fluid and subsequent heat tran...
On homotopically equivalent relations for fiber bundles
In this paper, we prove the homotopically equivalent relation to the polyhedron property that play an important role in fiber bundle theory over the suspensions of polyhedron space.
Some inequalities related to the concept of double statistical summability
In this paper, we prove some inequalities related to the concept of C11(st2)-conservative matrices, C11(st2)−lim sup and C11(st2)−lim inf which are natural analogues of (Cbp,st2∩L∞)-matrices, st2−lim sup and st2−lim inf, respectively.