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Classification of Static Plane Symmetric Spacetimes according to their Matter Collineations
M. Sharif
In this paper we classify static plane symmetric spacetimes according to their matter collineations. These have been studied for both cases when the energy-momentum tensor is non-d…
Symmetries of the Energy-Momentum Tensor of Spherically Symmetric Lorentzian Manifolds
M. Sharif
Matter collineations of spherically Symmetric Lorentzian Manifolds are considered. These are investigated when the energy-momentum tensor is non-degenerate and also when it is dege…
Matter collineations of Spacetime Homogeneous Gödel-type Metrics
U. Camci, M. Sharif
The spacetime homogeneous Gödel-type spacetimes which have four classes of metrics are studied according to their matter collineations. The obtained results are compared with Killi…
Quintic Spline Solutions of Fourth Order Boundary-Value Problems
Shahid S. Siddiqi, Ghazala Akram
In this paper Quintic Spline is defined for the numerical solutions of the fourth order linear special case Boundary Value Problems. End conditions are also derived to complete the…
Classification of Spherically Symmetric Static Spacetimes according to their Matter Collineations
M. Sharif, Sehar Aziz
The spherically symmetric static spacetimes are classified according to their matter collineations. These are studied when the energy-momentum tensor is degenerate and also when it…