On the axiomatic rank of varieties generated by a semigroup or monoid with one defining relation L. M. Shneerson Research Article Pages: 17 - 38
A structure theorem for right invariant right holoids H. H. BrungsG. Törner Research Article Pages: 39 - 50
Embedding semigroups into semigroups with countability index two K. D. Magill Jr. Research Article Pages: 51 - 57
Construction of right topological compactifications for discrete versions of subsemigroups of compact groups D. HelmerN. Isik Research Article Pages: 65 - 73
Evolution operators in empathy with a semi-group Niko SauerJoy E. Singleton Research Article Pages: 85 - 94
An order theoretic characterisation of locally orthodox regular semigroups Mark V. Lawson Short Note Pages: 113 - 116
On an application of the work of D. E. Knuth to semigroups Hi TEX Murof TEX Instructions Pages: 117 - 124
Preliminary announcement of a conference on Semigroup Theory in honour of Professor G.B. Preston on the occasion of his retirement Announcement Pages: 125 - 125
On spectra of solvability and attainability for varieties of semigroups L. M. Martynov Research Article Pages: 129 - 155
Products of four idempotents in finite full transformation semigroups Tatsuhiko Saito Research Article Pages: 179 - 193
On Schützenberger monoids in transformations semigroups Igor Kossaczký Research Article Pages: 195 - 201
On algebraically compact semigroup rings A. V. KlyushinI. B. Kozhukhov Research Article Pages: 215 - 248
On group rings which are not ore domains Alejandro B. EngelLeonid Makar-Limanov Research Article Pages: 249 - 254
Maximizing a congruence with respect to its partition of idempotents P. M. Edwards Research Article Pages: 257 - 262
Products of idempotents in finite full transformation semigroups Tatsuhiko Saito Research Article Pages: 295 - 309
A functional treatment of right invariant right holoids Ludwig Cottin Research Article Pages: 311 - 322
Sur les automates qui reconnaissent une famille de langages J. C. Spehner Research Article Pages: 323 - 334
