The maximum number of induced open triangles in graphs of a given order. - Artem V. Pyatkin; Eugene Lykhovyd; Sergiy Butenko (Optim. Lett., 2019)

The maximum independent union of cliques problem: complexity and exact approaches. - Zeynep Ertem; Eugene Lykhovyd; Yiming Wang; Sergiy Butenko (J. Glob. Optim., 2020)

Imposing Contiguity Constraints in Political Districting Models. - Hamidreza Validi; Austin Buchanan; Eugene Lykhovyd (Oper. Res., 2022)

Asymptotic bounds for clustering problems in random graphs. - Eugene Lykhovyd; Sergiy Butenko; Pavlo A. Krokhmal (Networks, 2024)