We study semigroups of endotopisms of six types for an arbitrary equivalence relation. We calculate an endotopism spectrum of an equivalence relation on a finite set relative to its endotopisms.
Description:
Тоичкина Е. А. Эндоспектр отношений эквивалентности / Е. А. Тоичкина // Математичнi Студiї. - 2016. - Т. 46. - № 1. - С. 3-12.
