1. On varieties of completely regular semigroups III

   • Libor Polák

   Research Article 01 December 1988 Pages: 1 - 30

2. The range order of a product of i transformations from a finite full transformation semigroup

   • Peter M. Higgins

   Research Article 01 December 1988 Pages: 31 - 36

3. Some remarks on finite full transformation semigroups

   • Tatsuhiko Saito

   Research Article 01 December 1988 Pages: 37 - 43

4. Automata accepting primitive words

   • M. Ito
   • M. Katsura
   • S. S. Yu

   Research Article 01 December 1988 Pages: 45 - 52

5. Some pseudovariety joins involving the pseudovariety of finite groups

   • Jorge Almeida

   Research Article 01 December 1988 Pages: 53 - 57

6. Monoides et semi-anneaux continus

   • D. Krob

   Research Article 01 December 1988 Pages: 59 - 78

7. Congruence-free commutative semirings

   • Sidney S. Mitchell
   • Paul B. Fenoglio

   Research Article 01 December 1988 Pages: 79 - 91

8. More on cancellative semigroups on manifolds

   • K. H. Hofmann
   • W. Weiss

   Research Article 01 December 1988 Pages: 93 - 111

9. Compact totally disconnected k-divisible semigroups

   • J. A. Hildebrant
   • M. R. Schäferkotter

   Research Article 01 December 1988 Pages: 113 - 117

10. Representations of the Banach algebra ℓ¹(S)

    • R. G. McLean
    • H. Kummer

    Short Note 01 December 1988 Pages: 119 - 122

11. A simple matrix semigroup which is not completely simple

    • A. V. Kelarev

    Short Note 01 December 1988 Pages: 123 - 125

12. Residual finiteness in completely regular semigroup varieties

    • F. J. Pastijn
    • P. G. Trotter

    Research Article 01 December 1988 Pages: 127 - 147

13. Orthodox congruences on regular semigroups

    • Gracinda M. S. Gomes

    Research Article 01 December 1988 Pages: 149 - 166

14. Congruences on strong semillattices of regular simple semigroups

    • Mario Petrich

    Research Article 01 December 1988 Pages: 167 - 199

15. Disjunctive splittability of languages

    • Masashi Katsura

    Research Article 01 December 1988 Pages: 201 - 213

16. Isomorphisms of wreath products of monoids, II

    • V. Fleischer

    Research Article 01 December 1988 Pages: 215 - 224

17. Ordered semigroups containing maximal or minimal elements

    • M. Satyanarayana

    Research Article 01 December 1988 Pages: 225 - 231

18. Free groups in βN which miss the minimal ideal

    • Amha Tume Lisan

    Research Article 01 December 1988 Pages: 233 - 239

19. Invariant cones in Lie algebras

    • Joachim Hilgert
    • Karl H. Hofmann

    Research Announcement 01 December 1988 Pages: 241 - 252

20. Completely simple and completely O-simple semigroup identities

    • G. I. Mashevitzky

    Survey Article 01 December 1988 Pages: 253 - 264

21. On the equationx ^t=x ^t+q in categories

    • Denis Thérien

    Research Article 01 December 1988 Pages: 265 - 271

22. On the topological structure of a finitely generated semigroup of matrices

    • Hing Leung

    Research Article 01 December 1988 Pages: 273 - 287

23. Relatively f-disjunctive languages

    • Y. Q. Guo
    • C. M. Reis
    • G. Thierrin

    Research Article 01 December 1988 Pages: 289 - 299

24. The structure of the centralizer of a permutation

    • Stephen Leon Lipscomb

    Research Article 01 December 1988 Pages: 301 - 312

25. Green's relations, the V relation and congruences on S(X)

    • W. Barit
    • K. D. Magill Jr.
    • S. Subbiah

    Research Article 01 December 1988 Pages: 313 - 324

26. Bohr compactifications of nonabelian Lie semigroups

    • Wolfgang A. F. Ruppert

    Research Article 01 December 1988 Pages: 325 - 342

27. A sufficient condition for a group of homeomorphisms to be affine

    • Andrew Vogt

    Research Article 01 December 1988 Pages: 343 - 349

28. A characterization of Sheffer functions by hyperidentities

    • Klaus Denecke
    • Reinhard Pöschel

    Research Article 01 December 1988 Pages: 351 - 362

29. Colloquium on semigroups

    Conference Report 01 December 1988 Pages: 363 - 366

30. Problems

    • L. Márki

    Problems 01 December 1988 Pages: 367 - 373

31. A special session on semigroups, languages and computation

    Announcement 01 December 1988 Pages: 375 - 375