RUS  ENG Full version

Ring Theory and Combinatorial Algebra (Dedicated to the 80th Birthday of Professor V. N. Latyshev)

	Congratulations
	Retractable and coretractable modules A. N. Abyzov, A. A. Tuganbaev		5
	A remark on commutative arithmetic rings E. S. Golod		21
	Prime radical of loops and $\Omega$-loops. I A. V. Gribov, A. V. Mikhalev		25
	On strong indecomposability of the Dedekind ring localization A. V. Grishin		43
	Descriptive spaces and proper classes of functions V. K. Zakharov, A. V. Mikhalev, T. V. Rodionov		51
	Algebraic simplification and cryptographic motives V. N. Latyshev		109
	On algorithmic methods of analysis of two-colorings of hypergraphs A. V. Lebedeva		125
	Bases and dimension of vector spaces over lattices E. E. Marenich, V. E. Marenich		151
	On Pierce stalks of semirings R. V. Markov, V. V. Chermnykh		171
	Varieties of associative rings containing a finite ring that is nonrepresentable by a matrix ring over a commutative ring A. Mekei		187
	Arithmetical rings and quasi-projective ideals A. A. Tuganbaev		207
	Periodic residually finite groups with Abelian subgroups of finite ranks E. I. Chubarova		213
	The structure of finite distributive lattices V. D. Shmatkov		219
	A difference property for functions with bounded second differences on amenable topological groups A. I. Shtern		227