Geodesic
Factorisable monoid of generalized hypersubstitutions of type \tau =(n)
Sorasak Leeratanavalee1 ; Ampika Boonmee1 ; Sorasak Leeratanavalee ; Ampika Boonmee
1Department of Mathematics, Faculty of Sciences, Chiang Mai University, Chaing Mai 50200
Acta mathematica Universitatis Comenianae, Tome 85 (2016) no. 1, pp. 1-7 
Sorasak Leeratanavalee; Ampika Boonmee; Sorasak Leeratanavalee; Ampika Boonmee. Factorisable monoid of generalized hypersubstitutions of type \tau =(n). Acta mathematica Universitatis Comenianae, Tome 85 (2016) no. 1, pp. 1-7. http://geodesic.mathdoc.fr/item/AMUC_2016_85_1_a0/
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     author = {Sorasak Leeratanavalee and Ampika Boonmee and Sorasak Leeratanavalee and Ampika Boonmee},
     title = { Factorisable monoid of generalized hypersubstitutions of type \tau =(n)},
     journal = {Acta mathematica Universitatis Comenianae},
     pages = {1--7},
     year = {2016},
     volume = {85},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/AMUC_2016_85_1_a0/}
}
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Voir la notice de l'article provenant de la source Comenius University

A generalized hypersubstitution of type \tau maps any operation symbols to the set of all terms. The extensions of generalized hypersubstitutions are mappings on the set of all terms. The set of all such generalized hypersubstitutions forms a monoid. In this paper we determine the set of all unit-regular elements of this monoid of type \tau=(n). We also conclude a submonoid of the monoid of all generalized hypersubstitutions of type \tau=(n) which is factorisable.