Geodesic
CONGRUENCE CLASSES IN REGULAR VARIETIES
Acta mathematica Universitatis Comenianae, Tome 68 (1999) no. 1 
R. Belohlavek; I. Chajda. CONGRUENCE CLASSES IN REGULAR VARIETIES. Acta mathematica Universitatis Comenianae, Tome 68 (1999) no. 1. http://geodesic.mathdoc.fr/item/AMUC_1999_68_1_a5/
@article{AMUC_1999_68_1_a5,
     author = {R. Belohlavek and I. Chajda},
     title = {CONGRUENCE {CLASSES} {IN} {REGULAR} {VARIETIES}},
     journal = {Acta mathematica Universitatis Comenianae},
     year = {1999},
     volume = {68},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/AMUC_1999_68_1_a5/}
}
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AU  - I. Chajda
TI  - CONGRUENCE CLASSES IN REGULAR VARIETIES
JO  - Acta mathematica Universitatis Comenianae
PY  - 1999
VL  - 68
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/AMUC_1999_68_1_a5/
ID  - AMUC_1999_68_1_a5
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%A I. Chajda
%T CONGRUENCE CLASSES IN REGULAR VARIETIES
%J Acta mathematica Universitatis Comenianae
%D 1999
%V 68
%N 1
%U http://geodesic.mathdoc.fr/item/AMUC_1999_68_1_a5/
%F AMUC_1999_68_1_a5

Voir la notice de l'article provenant de la source Comenius University

A characterization of congruence classes of algebras of regular varieties is presented. The problem of deciding whether a given subset of an algebra of regular variety is a congruence class is shown to be solvable in polynomial time.