Chordal intersection graphs of bands
Inverse semirings and their lattice of congruences
On a certain relation for closure operation on a semigroup
Green's relations on a compact semigroup
Archimedean equivalence on ordered semigroups
Modularity and distributivity of tolerance lattices of commutative inverse semigroups
Tolerance distributive and tolerance Boolean varieties of semigroups
Note on homomorphisms of direct products of algebras
On representations of tolerance ordered commutative semigroups
Modularity and distributivity of tolerance lattices of commutative separative semigroups
Tolerance distributive and tolerance modular varieties of commutative semigroups
Tolerance modular varieties of semigroups
A characterization of semilattices of left or right groups
Direct decomposability of tolerances and congruences on semigroups
On varieties of regular -semigroups, II
On weakly commutative semigroups
Průměr grafu pologrupy
O jisté pologrupě endomorfismů na jednoduše uspořádané množině. I.
O jisté pologrupě endomorfismů na jednoduše uspořádané množině. II.
Docent František Marian šedesátiletý
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