On the Cardinality of the Lattice of Closed Classes\\of Polynomials in $k$-Valued Logic for Composite Numbers $k$

Closed classes under superposition are examined in $k$-valued logic. E.~Post established that the lattice (on inclusion) of all closed classes in two-valued logic is countable. Besides, each closed class has a finite basis in two-valued logic. Yu.\,I.~Yanov and A.\,A.~ Muchnick proved that the latti...

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Autor principal:	S.N. Selezneva
Formato:	Artigo
Idioma:	Inglês
Publicado em:	Irkutsk State University 2026-03-01
coleção:	Известия Иркутского государственного университета: Серия "Математика"
Assuntos:	$k$-valued logic function residue ring modulo~$k$ polynomial closed class lattice of closed classes
Acesso em linha:	https://mathizv.isu.ru/en/article/file?id=1575
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