Vol. 13 (2009)

Articles

• On the osculator Lorentz spheres of timelike parallel p_i-equidistant ruled surfaces in the Minkowski 3-space R_1^3

  Nuri Kuruoğlu, Melek Masal

  3-9

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• Approximation of functions belonging to the class L^p(ω)_β by linear operators

  Włodzimierz Łenski, Bogdan Szal

  11-24

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• Stochastic modelling of insurance liabilities

  Gaida Pettere

  25-35

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• An inclusion theorem for non-archimedean sequence spaces

  Kati Ain

  37-41
• ϕ- and β-topologies in sequence spaces

  Kaido Lätt

  43-49

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• Superpositional graphs

  Ahti Peder, Mati Tombak

  51-64

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