ЗМІСТ

Aragona R., D'Andrea A.
Normal form in Hecke-Kiselman monoids associated with simple oriented graphs

Asboei A.K., Salehi S.S.
Some results on the main supergraph of finite groups

Fanti E.L.C., Silva L.S.
Some properties of E(G,W,F_TG) and an application in the theory of splittings of groups

Ghorbani M., Songhori M.
On the spectrum of Cayley graphs

Niño A., Reyes A.
Some remarks about minimal prime ideals of skew Poincaré-Birkhoff-Witt extensions

Öğüşlü N.Ş.
Normal automorphisms of the metabelian product of free abelian Lie algebras

Protasov I.
Decompositions of set-valued mappings

Rajhi A.
Groups whose lattices of normal subgroups are factorial

Rezaei Sh.
General formal local cohomology modules

Sharma P., Naresh R., Sharma U.
Energy of Smith graphs

Simoes da Silva J., Tsurkov A.
Geometrical equivalence and action type geometrical equivalence of group representations

Trofimuk A.
On a product of two formational tcc-subgroups

Worawiset S., Koppitz J.
Endomorphisms of Clifford semigroups with injective structure homomorphisms