Geodesic
A class of quasi-adequate transformation semigroups.
Portugaliae mathematica, Tome 51 (1994) no. 4, pp. 553-570.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Keywords: Vagner maps, unipotent semigroups, transformation semigroups, symmetric inverse semigroups, regular semigroups, Green's relations, idempotents, left regular bands, well ordered sets 
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     author = {Umar, Abdullahi},
     title = {A class of quasi-adequate transformation semigroups.},
     journal = {Portugaliae mathematica},
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     year = {1994},
     zbl = {0828.20066},
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     url = {http://geodesic.mathdoc.fr/item/PORMA_1994__51_4_47311/}
}
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Umar, Abdullahi. A class of quasi-adequate transformation semigroups.. Portugaliae mathematica, Tome 51 (1994) no. 4, pp. 553-570. http://geodesic.mathdoc.fr/item/PORMA_1994__51_4_47311/