Geodesic

Volume 18 (2017) no. 2

Sommaire

Congratulations to Z.\,Kh.~Rakhmonov
About ring structures on the set of integers
p. 6-17
Hidden attractors of some multistable systems with infinite number of equilibria
p. 18-33
Some extremal problems for the Fourier transform over the eigenfunctions of the Sturm--Liouville operator
p. 34-53
On fractional linear transformations of forms A.~Thue--M.\,N.~Dobrovolsky--V.\,D.~Podsypanina
p. 54-97
Classification purely real algebraic irrationalities
p. 98-128
The transformation of objects in GeoGebra
p. 129-143
Induced transformations for almost Hermitian structure of linear extensions
p. 144-153
On congruence-coherent Rees algebras and algebras with an operator
p. 154-172
The invariants of generalized f-transformations for almost contact metric structures
p. 173-182
The structure of almost Hermitian structures of total space of principal fiber T1-bundle with flat connection over some classes of almost contact metric manifolds
p. 183-194
On the homological description of the Jacobson radical for Lie algebras and the locally nilpotent radical for special Lie algebras
p. 195-204
Two-sided estimates of gamma-function on the real semiaxis
p. 205-221
On the approximation of the flow of events for a Poisson
p. 222-234
E-rings of low ranks
p. 235-244
On quasi-endomorphism rings of some strongly indecomposable torsion-free Abelian groups of rank~4
p. 245-255
On homogeneous mappings of mixed modules
p. 256-266
Character sums over shifted powers
p. 267-274
Periodicity and non-periodicity of finite sequences
p. 275-278
The 70th anniversary of professor Valery Georgievich Durnev
p. 279-297
The 80th anniversary of professor Vladimir Konstantinovich Kartashov
p. 298-304
On mathematical research V.\,N.~Kuznetsova (On the occasion of his 70th birthday)
p. 305-314
Boris Veniaminovich Levin. On his 90th anniversary
p. 315-330