Achache, Achille Join-closed subsets of an ordered set. Unicity of the join-basis. (English) Zbl 1474.06011 Novi Sad J. Math. 44, No. 1, 1-7 (2014). MSC: 06A15 PDF BibTeX XML Cite \textit{A. Achache}, Novi Sad J. Math. 44, No. 1, 1--7 (2014; Zbl 1474.06011) Full Text: Link OpenURL
Achache, Achille Semi-commutative closure operators. (Operateurs de fermeture semi-commutatifs.) (French) Zbl 1274.06014 Novi Sad J. Math. 34, No. 1, 79-87 (2004). MSC: 06A15 PDF BibTeX XML Cite \textit{A. Achache}, Novi Sad J. Math. 34, No. 1, 79--87 (2004; Zbl 1274.06014) OpenURL
Achache, A. A.; Sangalli, A. A. Functorial representation of closure operators. (Représentation fonctorielle des opérateurs de fermeture.) (French) Zbl 0969.06003 C. R. Acad. Bulg. Sci. 54, No. 3, 35-38 (2001). Reviewer: Vesselin Drensky (Sofia) MSC: 06A15 18B35 18A40 06B23 PDF BibTeX XML Cite \textit{A. A. Achache} and \textit{A. A. Sangalli}, C. R. Acad. Bulg. Sci. 54, No. 3, 35--38 (2001; Zbl 0969.06003) OpenURL
Achache, Achille; Sangalli, Arturo A. L. Fuzzy concepts defined via residuated maps. (English) Zbl 0985.54500 Kybernetika 28, Suppl., 25-27 (1992). MSC: 54A40 03E72 06A15 PDF BibTeX XML Cite \textit{A. Achache} and \textit{A. A. L. Sangalli}, Kybernetika 28, 25--27 (1992; Zbl 0985.54500) Full Text: EuDML Link OpenURL
Achache, A. How to fuzzify a closure space. (English) Zbl 0648.06005 J. Math. Anal. Appl. 130, No. 2, 538-544 (1988). Reviewer: J.Drewniak MSC: 06A15 06B23 03E72 PDF BibTeX XML Cite \textit{A. Achache}, J. Math. Anal. Appl. 130, No. 2, 538--544 (1988; Zbl 0648.06005) Full Text: DOI OpenURL
Achache, A. Galois connexion of a fuzzy subset. (English) Zbl 0509.06002 Fuzzy Sets Syst. 8, 215-218 (1982). MSC: 06A15 06B23 03E72 PDF BibTeX XML Cite \textit{A. Achache}, Fuzzy Sets Syst. 8, 215--218 (1982; Zbl 0509.06002) Full Text: DOI OpenURL
Achache, Achille Structure de l’ensemble des fermetures d’un treillis complet. (French) Zbl 0265.06005 Port. Math. 28, 111-119 (1969). MSC: 06B23 06A15 20L05 PDF BibTeX XML Cite \textit{A. Achache}, Port. Math. 28, 111--119 (1969; Zbl 0265.06005) Full Text: EuDML OpenURL