O rozklade pologrupy zvyškov (mod ) na direktný súčin
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Bohumír Parízek (1960)
Matematicko-fyzikálny časopis
G. Th. Guilbaud (1969)
Mathématiques et Sciences Humaines
K.K.H. Butler (1971)
Semigroup forum
Charles Delorme, Marie-Claude Heydemann (1999)
Annales de l'institut Fourier
In 1995, F. Jaeger and M.-C. Heydemann began to work on a conjecture on binary operations which are related to homomorphisms of De Bruijn digraphs. For this, they have considered the class of digraphs such that for any integer , has exactly walks of length , where is the order of . Recently, C. Delorme has obtained some results on the original conjecture. The aim of this paper is to recall the conjecture and to report where all the authors arrived.
Sin Min Lee (1980)
Commentationes Mathematicae Universitatis Carolinae
G.R. Baird (1972)
Semigroup forum
Kazim, M.A., Naseeruddin, Md. (1977)
Portugaliae mathematica
E.I. Kleiman (1976/1977)
Semigroup forum
C. C. Edmunds (1977/1978)
Semigroup forum
Z. Hedrlin, P. Goralcik, M. Münzova (1970)
Semigroup forum
E. Scheiblich (1976/1977)
Semigroup forum
Ladislav Skula (1976)
Czechoslovak Mathematical Journal
Marica D. Prešić (1980)
Publications de l'Institut Mathématique
M.D. Presic (1980)
Publications de l'Institut Mathématique [Elektronische Ressource]
Thérèse Merlier (1993)
Czechoslovak Mathematical Journal
D. N. Krgović (1977)
Matematički Vesnik
T.S. Blyth (1976/1977)
Semigroup forum
Imrich Abrhan (1994)
Mathematica Slovaca
Zdenek Hedrlin, Pavel Goralcik (1971)
Mathematische Zeitschrift
Daniel Romano (2007)
Publications de l'Institut Mathématique
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