On the number of countable subdirect powers of unary algebras
Abstract
A finite unary algebra (A,F) has only countably many countable subdirect powers if and only if every operation ƒ ∈ F is either a permutation or a constant mapping.
Citation
Ruskuc , N & De Witt , B L 2023 , ' On the number of countable subdirect powers of unary algebras ' , International Journal of Algebra and Computation , vol. 33 , no. 06 , pp. 1183-1194 . https://doi.org/10.1142/S0218196723500546
Publication
International Journal of Algebra and Computation
Status
Peer reviewed
ISSN
0218-1967Type
Journal article
Collections
Items in the St Andrews Research Repository are protected by copyright, with all rights reserved, unless otherwise indicated.