ЗМІСТ

Doroshenko V.
Generators and relations for the semigroups of increasing functions on N and Z

Frider V.
Normal functors in the coarse category

Ayik G., Ayik H., Unlu Y.
Presentations and word problem for strong semilattices of semigroups

Osys M.
Automaton extensions of mappings on the set of words defined by finite Mealy automata

Plotkin B., Tsurkov A.
Action type geometrical equivalence of representations of groups

Sanchez S., Criado R., Vega C.
Recurrence sequences over residual rings

Zhanmin Z., Zhangsheng X.
Rings which have (m,n)-flat injective modules