Sparse, Thin and Other Subsets of Groups. - Ie. Lutsenko; I. V. Protasov (Int. J. Algebra Comput., 2009)

Kaleidoscopical Configurations in G-Spaces. - Taras O. Banakh; Oleksandr Petrenko; Igor Protasov; Sergiy Slobodianiuk (Electron. J. Comb., 2012)

Thin Ultrafilters. - Oleksandr Petrenko; I. V. Protasov (Notre Dame J. Formal Log., 2012)

Syndetic submeasures and Partitions of G-Spaces and Groups. - Taras O. Banakh; Igor Protasov; Sergiy Slobodianiuk (Int. J. Algebra Comput., 2013)

Note: A conjecture on partitions of groups. - Igor Protasov; Sergiy Slobodianiuk (Comb., 2016)

Selective and Ramsey Ultrafilters on G-spaces. - Oleksandr Petrenko; Igor Protasov (Notre Dame J. Formal Log., 2017)

Varieties of Coarse Spaces. - Igor Protasov (Axioms, 2018)

Selective Survey on Spaces of Closed Subgroups of Topological Groups. - Igor Protasov (Axioms, 2018)

Functional Boundedness of Balleans: Coarse Versions of Compactness. - Taras O. Banakh; Igor Protasov (Axioms, 2019)

Isometric copies of directed trees in orientations of graphs. - Taras O. Banakh; Adam Idzik; Oleg Pikhurko; Igor Protasov; Krzysztof Pszczola (J. Graph Theory, 2020)

On Factoring Groups into Thin Subsets. - Igor Protasov (Axioms, 2021)