Geodesic

Sommaire du Fascicule no. 1

Member of the National Academy of Sciences of Belarus V. I. Yanchevskii. Towards the 75th birthday
p. 3-5
On the functor properties of the $\Omega$-saturation of a topological $T_1$-space
p. 6-13
Representation varieties of one Baumslag--Solitar group
p. 14-23
On $\mathfrak{F}$-reachable subgroups in groups with operators
p. 24-32
Inverse problems of reconstruction of coefficients and transport sources in nonlinear heat conduction equations
p. 33-43
On control problem of asynchronous spectrum of linear system with singular upper left diagonal block of coefficient matrix
p. 44-49
Finite groups with weakly subnormal Schmidt subgroups
p. 50-57
On conjugate rational trigonometric Fourier series and their approximation properties
p. 58-69
Picard problem on the plane for a quasilinear hyperbolic equation of the second order
p. 70-80
A mathematical investigation of one problem of the longitudinal impact on an elastic rod with an elastic attachment at the end
p. 81-87
On the solvability and factorization of some $\pi$-solvable irreducible linear groups of primary degree. Part~II
p. 88-100
Non-existence of a short algorithm for multiplication of $3\times 3$ matrices whose group is $S_4\times S_3$,~II
p. 101-111

Sommaire du Fascicule no. 2

Petr Pavlovich Matus. Towards the 70th birthday
p. 3-4
Predicting the spread of coronavirus infection using equations with aftereffects
p. 5-14
On the topologies of a hyperspace of a metrizable topological space
p. 15-27
Finite partially soluble groups with transitive $\pi$-quasinormality relation for subgroups
p. 28-33
On weakly $\mathbb{P}$-subnormal subgroups of finite groups
p. 34-43
Separability of the lattice of $\tau$-closed totally $\omega$-composition formations of finite groups
p. 44-56
Weyl submodules in the restrictions of representations of simple algebraic groups to subgroups $SL_2(K)$
p. 57-62
On critical $\sigma$-local formations of finite groups
p. 63-80
On the supersolubility of a group with given systems of conditionally seminormal subgroups
p. 81-90
On the solvability and factorization of some $\pi$-solvable irreducible linear groups of primary degree. Part III
p. 91-102