Geodesic

Volume 20 (1980) no.

Sommaire

On a pull-back diagram for orthodox semigroups.
p. 1-10
Varietes de languages et monoide des parties.
p. 11-48
Topological semilattices with enough closed subsemilattices to separate points.
p. 49-54
A general purity law for convolution semigroups with discrete Levy measure.
p. 55-72
On the quasivarieties generated by finite semigroups.
p. 73-88
Another semigroup characterization of the simple closed curve.
p. 89-90
Strong endomorphisms of TT-connected automata
p. 91-93
Bibliographical Items
p. 94
Generalized Greenfs theories.
p. 95-128
Primary ideals in semigroups.
p. 129-144
On E-m semigroups which are bands of t-archimedean semigroups.
p. 145-150
The free algebra in the variety generated by quasi-trivial semigroups
p. 151-156
Purity in the category of M-sets.
p. 157-170
The finiteness of a base of indentities for fiveelement monoids
p. 171-186
Semigroup literature.
p. 187-188
Lattice isomorphisms of commutative relatively free semigroups.
p. 189-226
Orthodox semigroups.
p. 227-232
A new notion in the theory of semigroups.
p. 233-240
Semigroups with [ x] [ y] = [y][x].
p. 241-254
Embedding inverse semigroups in coset semigroups.
p. 255-268
On quasi-transitive semigroup actions.
p. 269-280
Factorizable as a finiteness condition.
p. 281-282
Subsemigroups of the finite complexes of a group.
p. 285-292
A partically ordered space which is not a Priestely space.
p. 293-298
Zur Théorie der stetigen Teilbarkeitshalbgruppen.
p. 299-318
Archimedisch Teilbarkeitshalbgruppen und Quaderalgebren.
p. 319-334
A band generated by two semilattices is regular.
p. 335-342
The Hopf property and K-free products of semigroups.
p. 343-368
Convolutions of probability measures on semigroups.
p. 369-384
Semigroups and lattices.
p. 385-386
A note on endomorphism semigroups.
p. 387-389