Geodesic

Sommaire du Fascicule no. 1

About the Theacher
p. I-V
Universal Horn classes and antivarieties of algebraic systems
p. 3-22
Horn classes of predicate systems, and varieties of partial algebras
p. 23-46
Quasivarieties of Sugihara semilattices with involution
p. 47-65
Lattice properties preserved under free products
p. 66-73
On infinite groups with abelian centralizers of involution
p. 74-86
Unbounded semidistributive lattices
p. 87-92
Lattices with unique irreducible decompositions
p. 93-103
Varieties defined by permutations
p. 104-118
Sessions of the seminar ``Algebra i Logika''

Sommaire du Fascicule no. 2

Yurii Leonidovich Ershov (on his 60th birthday)
p. 125-126
Decidability boundaries of some classes of nilpotent and solvable groups
p. 127-133
Once again on the Higman question
p. 134-144
Primitively connected theories
p. 145-169
On the computability over models of decidable theories
p. 170-197
Autostability of hyperarithmetic models
p. 198-205
Independent bases for admissible rules in pretable logics
p. 206-226
On universally equivalent solvable groups
p. 227-240
Sessions of the seminar ``Algebra i Logika''
p. 241-242

Sommaire du Fascicule no. 3

Yurii Ivanovich Merzlyakov (on his 60th birthday)
p. I-VI
$G$-identities and $G$-varieties
p. 249-272
A~property of the character table for a~finite group
p. 273-279
Extensions of abelian 2-groups by means of $L_2(q)$ with irreducible action
p. 280-319
On quadratic automorphisms of abelian groups
p. 320-328
On the groups of period 60 with prescribed orders of elements
p. 329-346
Intermediate subgroups of Chevalley groups over the field of quotients of a~principal ideal ring
p. 347-358
On $p$-groups of automorphisms of abelian $p$-groups
p. 359-371

Sommaire du Fascicule no. 4

On rational sets in finitely generated nilpotent groups
p. 379-440
Computation of commutator length in free groups
p. 395-440
A~residually finite associative algebra with an unsolvable word problem
p. 441-451
Some 2-properties of the autotopism group of a~$p$-primitive semifield plane
p. 452-464
On some subgroups of semilinearly ordered groups
p. 465-479
On the decidability of first-order theories of groups and monoids of integer-valued matrices
p. 480-504
Sessions of the seminar ``Algebra i Logika''
p. 505-506

Sommaire du Fascicule no. 5

Central elements of integral group rings
p. 513-525
Large nilpotent subgroups of finite simple groups
p. 526-546
Relative complements in $\Delta_2^0$-degrees with respect to enumerability
p. 547-566
Recognition of the finite simple groups $L_3(2^m)$ and $U_3(2^m)$ from the orders of their elements
p. 567-585
Basis ranks of solvable quasi-varieties of groups and $\ell$-groups
p. 586-594
Elementary equivalence of lattices of subalgebras of free algebras
p. 595-601
On some infinite groups with a~strongly embedded subgroup
p. 602-617
On $\delta$-derivations of prime alternative and Mal'tsev algebras
p. 618-625
Sessions of the Seminar ``Algebra i Logika''(International conference ``Logical and Its Applications,'' May 2--6, 2000)
p. 626-629

Sommaire du Fascicule no. 6

Levi classes generated by nilpotent groups
p. 635-647
Recognition of alternating groups of degrees~$r+1$ and $r+2$ for prime~$r$ and the group
p. 648-661
The Makar-Limanov algebraically closed skew field
p. 662-692
The boundary equivalence for rings and matrix rings over them
p. 693-710
Definability of boolean algebras in $\mathbb{HF}$-superstrustures
p. 711-719
DescrIbing a~basis in semireduced form for inference rules of intuitionistic logic
p. 720-740
The intrinsic enumerability of linear orders
p. 741-750
Letter to the Editor
Sessions of the Seminar ``Algebra i Logika'' (International conference ``Logical and Its Applications,'' May 2--6, 2000)
p. 752-753