Kleene Star on Unary Regular Languages. - Kristína Cevorová (DCFS, 2013)

On the Square of Regular Languages. - Kristína Cevorová; Galina Jirásková; Ivana Krajnáková (CIAA, 2014)

Operations on Automata with All States Final. - Kristína Cevorová; Galina Jirásková; Peter Mlynárcik; Matús Palmovský; Juraj Sebej (AFL, 2014)

Square on Ideal, Closed and Free Languages. - Kristína Cevorová (DCFS, 2015)

Square on closed languages. - Kristína Cevorová (NCMA, 2016)