Geodesic
Homomorphic images of finite subdirectly irreducible unary algebras
Czechoslovak Mathematical Journal, Tome 57 (2007) no. 2, pp. 671-677 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

Voir la notice de l'article

We prove that a finite unary algebra with at least two operation symbols is a homomorphic image of a (finite) subdirectly irreducible algebra if and only if the intersection of all its subalgebras which have at least two elements is nonempty.
We prove that a finite unary algebra with at least two operation symbols is a homomorphic image of a (finite) subdirectly irreducible algebra if and only if the intersection of all its subalgebras which have at least two elements is nonempty.
Classification : 08A60, 08B26
Keywords: subdirectly irreducible unary algebra 
@article{CMJ_2007_57_2_a9,
     author = {Je\v{z}ek, J. and Markovi\'c, P. and Stanovsk\'y, D.},
     title = {Homomorphic images of finite subdirectly irreducible unary algebras},
     journal = {Czechoslovak Mathematical Journal},
     pages = {671--677},
     year = {2007},
     volume = {57},
     number = {2},
     mrnumber = {2337621},
     zbl = {1174.08304},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2007_57_2_a9/}
}
TY  - JOUR
AU  - Ježek, J.
AU  - Marković, P.
AU  - Stanovský, D.
TI  - Homomorphic images of finite subdirectly irreducible unary algebras
JO  - Czechoslovak Mathematical Journal
PY  - 2007
SP  - 671
EP  - 677
VL  - 57
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/CMJ_2007_57_2_a9/
LA  - en
ID  - CMJ_2007_57_2_a9
ER  - 
%0 Journal Article
%A Ježek, J.
%A Marković, P.
%A Stanovský, D.
%T Homomorphic images of finite subdirectly irreducible unary algebras
%J Czechoslovak Mathematical Journal
%D 2007
%P 671-677
%V 57
%N 2
%U http://geodesic.mathdoc.fr/item/CMJ_2007_57_2_a9/
%G en
%F CMJ_2007_57_2_a9
Ježek, J.; Marković, P.; Stanovský, D. Homomorphic images of finite subdirectly irreducible unary algebras. Czechoslovak Mathematical Journal, Tome 57 (2007) no. 2, pp. 671-677. http://geodesic.mathdoc.fr/item/CMJ_2007_57_2_a9/