New bounds on the maximum size of Sperner partition systems. - Yanxun Chang; Charles J. Colbourn; Adam Gowty; Daniel Horsley; Junling Zhou (Eur. J. Comb., 2020)

Minimising the total number of subsets and supersets. - Adam Gowty; Daniel Horsley; Adam Mammoliti (Eur. J. Comb., 2024)