Geodesic
Some monounary algebras with EKP
Mathematica Bohemica, Tome 145 (2020) no. 4, pp. 401-414.

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An algebra $\cal A$ is said to have the endomorphism kernel property (EKP) if every congruence on $\cal A$ is the kernel of some endomorphism of $\cal A$. Three classes of monounary algebras are dealt with. For these classes, all monounary algebras with EKP are described.
DOI : 10.21136/MB.2019.0128-18
Classification : 08A30, 08A35, 08A60
Keywords: monounary algebra; endomorphism; congruence; kernel 
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Halušková, Emília. Some monounary algebras with EKP. Mathematica Bohemica, Tome 145 (2020) no. 4, pp. 401-414. doi : 10.21136/MB.2019.0128-18. http://geodesic.mathdoc.fr/articles/10.21136/MB.2019.0128-18/

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