ЗМІСТ

Benkherouf L., Ustimenko V.
Bounds for graphs of given girth and generalized polygons

Bondarenko V.M.
On dispersing representations of quivers and their connection with representations of bundles of semichains

Chernousova Zh.T., Dokuchaev M.A., Khibina M.A., Kirichenko V.V., Miroshnichenko S.G., Zhuravlev V.N.,
Tiled orders over discrete valuation rings, finite Markov chains and partially ordered sets. I

Dashkova O.Yu.
On groups of finite normal rank

Dudek W.A., Young Bae Jun
Radical theory in BCH-algebras

Lavrenyuk Y.
On the finite state automorphism group of a rooted tree

Nekrashevych V.
Virtual endomorphisms of groups

Protasov I.V.
Metrizable ball structures