Vol. 105 (2018): Ann. Sofia Univ. Fac. Math and Inf.

Articles

• On the transformations of the logarithmic series

  Nikola Naidenov

  3-44

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• Definability issues in the ω-Turing degrees

  Andrey Sariev, Hristo Ganchev

  45-54

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• Strong converse inequalities for the weighted multivariate Bernstein-Durrmeyer operator on the simplex via multipliers

  Borislav Draganov

  55-73

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• Weighted approximation by Kanotrovich type modification of Meyer-König and Zeller operator

  Ivan Gadjev, Parvan Parvanov, Rumen Uluchev

  75-95

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