Vol. 94 No. 1 (2004)

Articles

• Every positive integer is the Frobenius number of a numerical semigroup with three generators

  J. C. Rosales, P. A. García-Sánchez, J. I. García-García

  5-12

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• Bounded distributive lattice expansions

  Mai Gehrke, Bjarni Jónsson

  13-45

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• The existence of Gorenstein flat covers

  Edgar E. Enochs, Overtoun M. G. Jenda, J. A. Lopez-Ramos

  46-62

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• Examples of self-dual, Einstein metrics of $(2,2)$-signature

  Novica Blažić, Srdjan Vukmirović

  63-74

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• Residues and homology for pseudodifferential operators on foliations

  M.-T. Benameur, V. Nistor

  75-108

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• Algebraic minimal surfaces in $\mathsf R^4$

  Anthony Small

  109-124

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• The tracial topological rank of extensions of $C^*$-algebras

  Shanwen Hu, Huaxin Lin, Yifeng Xue

  125-147

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• On Bochner-Krall orthogonal polynomial systems

  T. Bergkvist, H. Rullgård, B. Shapiro

  148-154

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• A note on a theorem of Sparr

  Y. Ameur

  155-160

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