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1

  • Convex-Cyclic Abelian semigroups of matrices on Rn



Anjeet Kumar and Dr. Shree Nath Sharma

Abstract:
\r\n\r\n\r\nConvex-cyclicity in higher dimensions, convex cyclicity is an interesting issue that overlaps with a number of different areas of mathematics, such as geometry, topology, and dynamical systems. The features and behavior of convex sets multidimensional space, as well as the cyclic aspects of these sets, are the set of particular study. Within the scope of this paper, we will investigate the fundamental ideas that under pin convexity, extend those ideas to higher dimensions, and go the particular concept of convex-cyclicity, analyzing its consequences, applications and mathematical structure that are associated with it.\r\n


1-16
2

  • Spherically Symmetric Charged Fluids in General Relativity



Mukesh Kumar and Dhruv Kumar Singh

Abstract:
Here in this paper we have solved Einstein-Maxwell field equations for charged fluid sphere using different assumptions. We have also discussed central and boundary conditions. The pressure, matter density, electric field and charge density for the distribution have been also obtained and discussed.


30-45
3

  • A STUDY ON OPTIMALITY AND DUALITY FOR MULTI- OBJECTIVE FRACTIONAL PROGRAMMING



Sushma Kumari

Abstract:
This paper presents the extension of the concept of Hanson, Pini and Singh (2001) in the context of multi-objective fractional programming (MFP) to establish sufficient optimality and duality theorems and the results are compared with Liu (1999). Here we have also discussed optimality conditions along with weak, strong and converse duality.


46-55
4

  • Spherically Symmetric Cosmological Models with Shear Viscosity



Rajesh Kumar and Purushottam

Abstract:
In the present paper, considering a time dependent geometry which is spherically symmetric about a single point, we have solved Einstein’s field equations with an acceleration free imperfect fluid source with shear viscosity using different conditions. We have also obtained and discussed various physical parameters for the solutions obtained.


56-68
5

  • A STUDY ON MULTI-OBJECTIVE PROBLEM WITH RECENT ECONOMIC SIGNIFICANCE



Dr. Anupama Sinha and Dr. Vikas Kumar Raju

Abstract:
The present paper provides description of multi-objective programming problem in general with suitable simple example. Here along with mathematical formulation, we have given various applications of the investigation with recent economic significance.


69-74
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