Reduced Idempotents in the Semigroup of Boolean Matrices. - Janusz Konieczny (J. Symb. Comput., 1995)

A method of finding automorphism groups of endomorphism monoids of relational systems. - João Araújo 002; Janusz Konieczny (Discret. Math., 2007)

Minimal paths in the commuting graphs of semigroups. - João Araújo 002; Michael K. Kinyon; Janusz Konieczny (Eur. J. Comb., 2011)

A method for finding new sets of axioms for classes of semigroups. - João Araújo 002; Janusz Konieczny (Arch. Math. Log., 2012)

Automorphism Groups of Circulant Digraphs With Applications to Semigroup Theory. - João Araújo 002; Wolfram Bentz; Edward Dobson; Janusz Konieczny; Joy Morris (Comb., 2018)

Decidability and independence of conjugacy problems in finitely presented monoids. - João Araújo 002; Michael K. Kinyon; Janusz Konieczny; António Malheiro (Theor. Comput. Sci., 2018)