Articles

• A remark about the positivity problem of fourth order linear recurrence sequences

  Vichian Laohakosol, Pinthira Tangsupphathawat

  3-8

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• Algebraic trigonometric values at rational multipliers of π

  Pinthira Tangsupphathawat

  9-18

  • PDF
• Interaction between the Fourier transform and the Hilbert transform

  Elijah Liflyand

  19-32

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• Iλ-statistically convergent sequences in topological groups

  Ekrem Savaş

  33-38

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• After the Bishop–Phelps theorem

  Richard Aron, Victor Lomonosov

  39-49

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• Traces of operators and their history

  Albrecht Pietsch

  51-64

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• Norm approximation property

  Anatolij Plichko

  65-68

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• Equiconvergence of expansions in multiple trigonometric Fourier series and Fourier integral with "Jk-lacunary sequences of rectangular partial sums"

  Igor L. Bloshanskii, Denis A. Grafov

  69-80

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• Dominions, zigzags and epimorphisms for partially ordered semigroups

  Nasir Sohail, Lauri Tart

  81-91

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• The Hermitian part of a Rickart involution ring, I

  Jānis Cīrulis

  93-105

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• On (a, B, c)-ideals in Banach spaces

  Ksenia Niglas, Indrek Zolk

  107-117

  • PDF
• A note on spark varieties

  Marcin Skrzyński

  119-124

  • PDF
• Geometry of Banach spaces with an octahedral norm

  Rainis Haller, Johann Langemets

  125-133

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• Composition operators on vector-valued analytic function spaces: a survey

  Jussi Laitila, Hans-Olav Tylli

  135-157

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• Multi-norms

  H. G. Dales

  159-184

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