Vol. 6 (2002)

Articles

• On commutativity of rings with conditions involving elements and the Jacobson radical

  Murtaza A. Quadri, Mohd. Shadab Khan

  3-8

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• On transitivity of M(r,s)-inequalities and geometry of higher duals of Banach spaces

  Rainis Haller

  9-15

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• Approximation properties of certain linear positive operators of functions of two variables

  Zbigniew Walczak

  17-27

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• Metric locally constant functions

  Marian Vâjâitu, Alexandru Zaharescu

  29-36

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• Stability of the spline collocation method for Volterra integro-differential equations

  Peeter Oja, Mare Tarang

  37-49

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• Reparameterization of second-order interaction effects through the covariance matrix

  Tatjana Nahtman

  51-57

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• Weakly regular topological algebras and spectral extension property

  Arne Kokk

  59-68

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