The number of triangular islands on a triangular grid. - Eszter K. Horváth; Zoltán Németh; Gabriella Pluhár (Period. Math. Hung., 2009)

Cut approach to islands in rectangular fuzzy relations. - Eszter K. Horváth; Branimir Seselja; Andreja Tepavcevic (Fuzzy Sets Syst., 2010)

Elementary proof techniques for the maximum number of islands. - János Barát; Péter Hajnal; Eszter K. Horváth (Eur. J. Comb., 2011)

A general framework for island systems - Stephan Foldes; Eszter K. Horváth; Sándor Radeleczki; Tamás Waldhauser (CoRR, 2012)

Cut approach to invariance groups of lattice-valued functions. - Eszter K. Horváth; Branimir Seselja; Andreja Tepavcevic (Soft Comput., 2017)

Cuts of poset-valued functions in the framework of residuated maps. - Eszter K. Horváth; Sándor Radeleczki; Branimir Seselja; Andreja Tepavcevic (Fuzzy Sets Syst., 2020)

The Number of Subuniverses, Congruences, Weak Congruences of Semilattices Defined by Trees. - Delbrin Ahmed; Eszter K. Horváth; Zoltán Németh (Order, 2023)