On the complexity of the lattices of subvarieties and congruences. II. Differential groupoids and unary algebras

Результат исследования: Научные публикации в периодических изданияхстатья

1 Цитирования (Scopus)

Аннотация

We prove that certain lattices can be represented as the lattices of relative subvarieties and relative congruences of differential groupoids and unary algebras. This representation result implies that there are continuum many quasivarieties of differential groupoids such that the sets of isomorphism types of finite sublattices of their lattices of relative subvarieties and congruences are not computable. A similar result is obtained for unary algebras and their lattices of relative congruences.

Язык оригиналаанглийский
Страницы (с-по)753-768
Число страниц16
ЖурналSiberian Electronic Mathematical Reports
Том17
DOI
СостояниеОпубликовано - 1 июн 2020

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