1. Monoid extensions admitting cocycles

   • Liliana Pavel
   • Terje Sund

   Research Article 28 August 2001 Pages: 1 - 32

2. The Green-Kehayopulu relation H in le-semigroups

   • Petraq Petro
   • Elton Pasku

   Research Article 03 May 2002 Pages: 33 - 42

3. A class of regular semigroups with regular *- transversals

   • Yonghua Li

   Research Article 11 January 2002 Pages: 43 - 57

4. On unbounded perturbations of semigroups: Compactness and norm continuity

   • Miao Li
   • Xiaohui Gu
   • Falun Huang

   Research Article 06 July 2001 Pages: 58 - 70

5. Triangular norms as ordinal sums of semigroups in the sense of A. H. Clifford

   • E. P. Klement
   • R. Mesiar
   • E. Pap

   Research Article 12 April 2002 Pages: 71 - 82

6. Chain decompositions of ordered semigroups

   • Yonglin Cao

   Research Article 15 March 2002 Pages: 83 - 106

7. On the analogue of Veech’s theorem in the WAP-compactification of a locally compact group

   • J. W. Baker
   • M. Filali

   Research Article 19 April 2002 Pages: 107 - 112

8. Embedding locally inverse semigroups into Rees matrix semigroups

   • Bernd Billhardt

   Research Article 11 January 2002 Pages: 113 - 127

9. Fuzzy sets in ordered groupoids

   • Niovi Kehayopulu
   • Michael Tsingelis

   Short Note 01 October 2001 Pages: 128 - 132

10. The structure of commutative congruence compact monoids

    • Peeter Normak

    Short Note 28 August 2001 Pages: 133 - 137

11. On idempotent generated semigroups

    • João Araújo

    Research Article 28 August 2001 Pages: 138 - 140

12. Rees short exact sequences of S-systems

    • Yuqun Chen
    • K. P. Shum

    OriginalPaper 12 April 2002 Pages: 141 - 148

13. Inverse semigroups: The theory of partial symmetries

    • Boris M. Schein

    Book Review 26 April 2002 Pages: 149 - 158