Geodesic

Tome 43 (1991) no. 3

Sommaire

The congruence extension property for algebraic semigroups.
p. 1-18
Injective hulls of S-systems over a Clifford semigroup.
p. 19-24
On extending continuous functions on dense subsemigroups.
p. 25-32
Semigroups in the universal covering of SL(2).
p. 33-44
Orderings on semirings.
p. 45-52
On free products of bands.
p. 53-62
A maximal chain of principal ideals in the semigroup of binary relations on a finite set.
p. 63-76
Ultrafilters on a discrete set with two binary operations.
p. 77-82
The groups of the semigroup of compact subsets of a topological group.
p. 83-92
On congruences of ...x-normal semigroups.
p. 93-114
Multiplicative semigroups of infinite dimensional matrices.
p. 115-122
Two results on real continuous bicharacters.
p. 123-126
Otto' Steinfeld 1924-1990 .
p. 127-134
On semigroups of continuous transformations on fuzzily structured sets.
p. 135-145
On the irreducibility of pure difference binomials.
p. 146-150
Permutability of normal extensions of a semilattice.
p. 151-162
On commutative Kleene monoids.
p. 163-177
Subdirectly irreducible semilattices with an automorphism.
p. 178-186
Nilsemigroups on trees.
p. 187-201
Endomorphic actions of ßN on the torus group.
p. 202-217
Monoides de comptage et langages rationnels.
p. 218-246
Commutative semigroup cohomology.
p. 247-252
On the representation of abstract semigroups by transformation semigroups : Computer investigations.
p. 253-256
Another semigroup of complexity n-1.
p. 257-259
On a problem in poe-semigroups.
p. 260-262
Semigroups of measures in non-commutative analysis.
p. 263-290
Structure of radicals in bands of semigroups.
p. 291-298
On the invariance of small overlap hypotheses.
p. 299-304
On varieties of combinatorial inverse semigroups I.
p. 305-330
Universal groups on semilattices of reversible cancellative semigroups .
p. 331-336
Null cones and pseudo-riemannian metrics.
p. 337-343
Normal semigroups of partial one-to-one transformations II.
p. 344-356
Strongly compatible total orders on free monoids.
p. 357-366
On commutative principal ideal semigroup rings.
p. 367-377
On the topology induced by the adjoint of a semigroup of operators.
p. 378-394