ЗМІСТ

Fedir Mykolayovych Lyman (22.02.1941–13.06.2020)

Azari M., Iranmanesh A.
On the edge-Wiener index of the disjunctive product of simple graphs

Banakh T., Ravsky A.
Zero-sum subsets of decomposable sets in Abelian groups

Bardyla S., Gutik O.
On the lattice of weak topologies on the bicyclic monoid with adjoined zero

Garcia Elsener A.
Gentle m-Calabi-Yau tilted algebras

Gladki P., Marshall M.
Witt equivalence of function fields of conics

Hüttemann T., Zhang Z.
An elementary description of K₁(R) without elementary matrices

Özdemir S.
F-supplemented modules

Samarakoon S.T.
On growth of generalized Grigorchuk's overgroups

Ustimenko V.
On small world non-Sunada twins and cellular Voronoi diagrams

Vahidi A.
Modules with minimax Cousin cohomologies

Zabavsky B.V., Romaniv O., Kuznitska B., Hlova T.
Comaximal factorization in a commutative Bezout ring