Volume 5 (2017) Article in Press

ISSUE 2 − A ISSUE 2 − B ISSUE 2 − C
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Article Type : Research Article
Title : Electrons Drifting Effect on Dust Ion Acoustic Solitary Waves Using Relativistic Effect
Country : India
Authors : Riju Kumar

Abstract: In this paper we study dust ion acoustic solitary waves (DIASW) based on the dust charge $Z_{d} =\frac{n_{d_{0} } }{n_{i_{0} } } =\frac{equilibrium\, \, \, density\, \, \, of\, dust\, \, ions}{equilibrium\, \, density\, \, of\, \, ions} $. Compressive solitons are found to exist in presence of electron's drift velocity ($v'_{e} $). It is observed that compressive solitons exist for smaller values of dust charge $Z_{d} $ and greater values of$v'_{e} $.

Keywords: Dust ion acoustic solitary waves, electron's drift velocity, dust charge.

Riju Kumar
Department of Mathematics, Pandu College, Guwahati, Assam, India.
E-mail: kumarriju1@yahoo.com


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Article Type : Research Article
Title : Soft $g\zeta^{*}$-Closed Sets in Soft Topological Spaces
Country : India
Authors : V.Kokilavani and M.Myvizhi

Abstract: In this paper we consider a new class of soft set called soft generalized ${\zeta }^*$-closed sets in soft topological spaces. Also, we discuss some basic properties of soft $g{\zeta}^*$-closed sets.

Keywords: $g{\zeta}^*$-closed set, soft $g{\zeta}^*$-closed set, soft $g{\zeta}^*$-continuous function, soft $g{\zeta}^*$-irresolute function and soft $g{\zeta}^*$-spaces.

M.Myvizhi
Department of Mathematics, Asian College of Engineering and Technology, Coimbatore, India.
E-mail: myvizhimaths@gmail.com


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