Geodesic

Sommaire du Fascicule no. 4

Al'fred L'vovich Shmel'kin (12.06.1938---22.12.2015)
p. 3-7
Solution of the problem of equality and conjugacy of words in a~certain class of Artin groups
p. 9-27
The problem of the power conjugacy words in a~tree product of free groups with cyclic amalgamation
p. 29-37
On the Artin semigroups
p. 39-49
On massive subsets in the space of finitely generated groups of diffeomorphisms of the line and the circle in the case of $C^{(1)}$ smoothness
p. 51-74
Algebraic geometry over algebraic structures. VIII. Geometric equivalences and special classes of algebraic structures
p. 75-100
Tame and wild automorphisms of differential polynomial algebras of rank~$2$
p. 101-114
Codimension sequences and their asymptotic behavior
p. 115-127
On the cardinality of relator sets of groups $F/\prod [N_i,N_j]$
p. 129-136
Invariants of classical braids valued in $G_{n}^{2}$
p. 137-146
Prime radicals of directed pseudo-ordered rings
p. 147-166
The group of quotients of the semigroup of invertible nonnegative matrices over local rings
p. 167-188
Quasi-simple finite groups of essential dimension~$3$
p. 189-199
Torsion-free Abelian groups of finite rank with marked bases
p. 201-228
On elementary and geometric equivalence of equational co-domains
p. 229-238
On convex directed subgroups of pseudo lattice-ordered groups
p. 239-252
Randomness and complexity in matrix groups
p. 253-262

Sommaire du Fascicule no. 5

Leonid Yakovlevich Kulikov (1914---2001)
p. 3-5
L. Ya. Kulikov and the Reform of Mathematical Education in Pedagogical Higher Education Institutions
p. 7-9
Malt groups of Abelian groups
p. 11-15
Near isomorphism for countable rank torsion-free Abelian groups
p. 17-28
Abelian groups isomorphic to a~proper fully invariant subgroup
p. 29-53
Correlation between $E$-groups and properties of $n$-multiplications on Abelian groups
p. 55-63
The lattice of fully invariant subgroups of a~cotorsion group
p. 65-73
To the question of full transitivity of a~cotorsion hull
p. 75-80
Abelian groups with finitely approximated acts
p. 81-89
Absolute ideals of algebraically compact Abelian groups
p. 91-114
Recognizability by prime graph of the group ${^2}E_6(2)$
p. 115-120
On a~class of quotient divisible Abelian groups with isomorphic endomorphism semigroups
p. 121-130
On generalizations of quasi-isomorphism on Abelian groups
p. 131-138
On vanishing of the homomorphism group of Abelian groups
p. 139-143
Definability of completely decomposable torsion-free
p. 145-152
Mixed idempotent Abelian groups
p. 153-157
Quasi-endomorphism rings of some quasi-decomposable
p. 159-176
On projectively fully transitive Abelian groups
p. 177-189
On weakly transitive torsion-free Abelian groups
p. 191-194
Some formulas for ordinary and hyper Bessel--Clifford
p. 195-208
Algebraic Lie algebras of bounded degree
p. 209-242
Rings on vector Abelian groups
p. 243-258
A~bound for a~typical differential dimension
p. 259-269

Sommaire du Fascicule no. 6

Jordan--Kronecker invariants of semidirect sums of the form $\mathrm{sl}(n)+(\mathbb R^{n})^k$ and $\mathrm{gl}(n)+(\mathbb R^{n})^k$
p. 3-18
Shape theory
p. 19-84
Classification of the gluing matrices
p. 85-94
Modeling of optimal networks by means of linkages
p. 95-122
Liouville foliation of topological billiards in the Minkowski plane
p. 123-150
Integral affine 3-manifolds
p. 151-167
Superintegrable Bertrand magnetic geodesic flows
p. 169-182
On triangular changes of bases in the $\mod p$ Steenrod algebra
p. 183-200
Topological analysis of a~billiard in elliptic ring in a~potential field
p. 201-225
Bifurcations of binary types of Steiner minimal networks in the plane
p. 227-252
Bifurcations of minimal fillings for four points on the Euclidean plane
p. 253-261
Local geometry of the Gromov--Hausdorff metric space and totally asymmetric finite metric spaces
p. 263-272