On the number of touching pairs in a set of planar curves. - Péter Györgyi; Bálint Hujter; Sándor Kisfaludi-Bak (Comput. Geom., 2018)

Chip-firing based methods in the Riemann-Roch theory of directed graphs. - Bálint Hujter; Lilla Tóthmérész (Eur. J. Comb., 2019)