Jakubíková -Studenovská, D.; Janičková, L.
(ДЗ "ЛНУ імені Тараса Шевченка", 2018)
For a monounary algebra A = (A, f) we study
the lattice Quord A of all quasiorders of A, i.e., of all reflexive and
transitive relations compatible with f. Monounary algebras (A, f)
whose lattices of quasiorders are ...