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Browsing ARS 2008 by Title

Browsing ARS 2008 by Title

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  • A metric which represents a sphere of constant uniform density comprising electrically counterpoised dust 
    Wimaladharma, N.A.S.N.; de Silva, N. (University of Kelaniya, 2008)
    Following the authors who have worked on this problem such Bonnor et.al 1•2 , Wickramasuriya3 and we write the metric which represents a sphere of constant density p = -1-, with suitable units, as ds2 = 47Z" (e(: ))2 ...
  • On the Schwarzschild singularity 
    Rajapaksha, R.L.R.A.S.; de Silva, N. (University of Kelaniya, 2008)
    The Schwarzschild ABSTRACT metric d<2�� (1- 2; }'dt' (I-�� t'-r' (d02+sin2 Od��' ) appears to behave badly near r = 2m, where gtt becomes zero, and grr tends to infinity1• There is a pathology in the line element that ...
  • Singularities of the elastic S-matrix element 
    Jayasinghe, W.J.M.L.P.; Piyadasa, R.A.D. (University of Kelaniya, 2008)
    It is well known that the standard conventional method of integral equations is not able to explain the analyticity of the elastic S-matrix element for the nuclear optical potential including the Coulomb potential. It ...
  • Structure of Fermat triples 
    Piyadasa, R.A.D. (University of Kelaniya, 2008)
    The structure of Fermat's triples can be immensely useful in finding a simple proof of Fermata's Last Theorem. In this contribution, the structure of Fermat's triples 1s determined using Fermat's little theorem producing ...
  • Structure of primitive Pythagorean triples and the proof of a Fermat's theorem 
    Jayasinghe, W.J.M.L.P.; Piyadasa, R.A.D. (University of Kelaniya, 2008)
    In a short survey of survey of primitive Pythagorean triples (x,y,z) 0 < x < y < z , we have found that one of x, y, z is divisible by 5 and z is not divisible by 3, there are Pythagorean triples whose corresponding ...
  • The use of symbols and 'colour' for sports festivals 
    Ramanyaka, N. (University of Kelaniya, 2008)
    The aim of this paper is to discuss the significance of 'Symbols'and the use of 'Colour' at national and international sporting events and festivals. Historical evidence reveals that the symbols and colo��rs were used ...

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