Note on -complete congruences of -complete lattices
Morgado, José (1964)
Portugaliae mathematica
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Morgado, José (1964)
Portugaliae mathematica
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Ján Jakubík (1975)
Matematický časopis
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Branimir Šešelja, Andreja Tepavčević (2000)
Publications de l'Institut Mathématique
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Jaroslav Ježek, Václav Slavík (2001)
Mathematica Bohemica
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Characterization of congruence lattices of finite chains with either one or two endomorphisms is given.
Cándida Palma (2006)
Mathematica Slovaca
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Andrzej Walendziak (2002)
Czechoslovak Mathematical Journal
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Here we consider the weak congruence lattice of an algebra with the congruence extension property (the CEP for short) and the weak congruence intersection property (briefly the WCIP). In the first section we give necessary and sufficient conditions for the semimodularity of that lattice. In the second part we characterize algebras whose weak congruences form complemented lattices.