Geodesic

Volume 43 (2004) no. 6

Sommaire

Semigroup Varieties on Whose Free Objects Almost All Fully Invariant Congruences are Weakly Permutable
p. 635-649
Complexity of Categorical Theories with Computable Models
p. 650-665
Comparing Classes of Finite Structures
p. 666-701
The Computable Dimension of $I$-Trees of Infinite Height
p. 702-729
Elementary Equivalence of Derived Structures of Free Semigroups, Unars, and Groups
p. 730-748
The L\"owenheim--Skolem--Mal'tsev Theorem for $\mathbb{HF}$-Structures
p. 749-758