Geodesic

Sommaire du Fascicule no. 1

Belyi function decompositions for the icosahedron of genus~$4$
p. 3-30
Matrix structures in the form of finite direct sums and chains
p. 31-51
Weighted posets and the enriched monomial basis of QSym
p. 53-65
On linear transformations preserving cyclicity index of nonnegative matrices
p. 67-82
The contributions and legacy of an outstanding algebraist of Moscow State University, Professor Aleksandr Vasilievich Mikhalev
p. 83-86
Algebraic Lie algebras with finite grading
p. 87-102
The Gr\"obner--Shirshov bases method for vertex algebras
p. 103-122
On the conjecture of M.~Janet for systems of partial differential equations
p. 123-131
Classification of commutative subalgebras of length $n-2$ in the algebra of $n\times n$ matrices over algebraically closed fields
p. 133-159
Constructions of coverings of simple groups using Euclidean lattices
p. 161-203
Universal-existential equivalence of linear groups
p. 205-212
The structure of topologically left Artinian rings in which all strictly principal left ideals are closed
p. 213-217
Rees congruence algebras in classes of unars and algebras with operators
p. 219-235
Determining fulfilment rate of public procurement contracts
p. 237-250
Criterion for the extendability of a~unitary character on a~normal subgroup of a~product group to a~pure one-dimensional pseudorepresentation of the group
p. 251-254