Semigroups and their subsemigroup lattices.
p. 1
Semigroups of mappings on graphs.
p. 155
Some embedding theorems in varieties of semigroups.
p. 201
An embedding theorem for semigroups of continuous selfmaps.
p. 223
The fixed-point conjecture and monoids on a manifold with boundary.
p. 237
Translational hulls and block designs.
p. 247
Subdirect products of regular seimgroups.
p. 265
The varieties of n-testable semigroups.
p. 309
The least semilattice of groups congruence on a regular semigroup.
p. 319
Wreath products of ordered semigroups.
p. 331
Standard completions for quasiordered sets.
p. 351
On the structure of monoids of admissible translates of probability measures.
p. 377
The finite basis question for semigroups of order less than six.
p. 387
The least inverse and orthodox congruences on a completely regular semigroup.
p. 390