New Lower Bound for the Optimal Ball Packing Density in Hyperbolic 4-Space. - Robert Thijs Kozma; Jeno Szirmai (Discret. Comput. Geom., 2015)

Isoptic surfaces of polyhedra. - Géza Csima; Jeno Szirmai (Comput. Aided Geom. Des., 2016)

Decomposition method related to saturated hyperball packings. - Jeno Szirmai (Ars Math. Contemp., 2019)

Hyperball packings related to truncated cube and octahedron tilings in hyperbolic space. - Jeno Szirmai (Contributions Discret. Math., 2020)

Coverings with congruent and non-congruent hyperballs generated by doubly truncated Coxeter orthoschemes. - Miklós Eper; Jeno Szirmai (Contributions Discret. Math., 2022)