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  • Author or Editor: G. Czédli x
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Abstract  

It is proved that the class of finite semimodular lattices is the same as the class of cover-preserving join-homomorphic images of direct products of finitely many finite chains.

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Abstract  

We prove that the tolerance lattice TolA of an algebra A from a congruence modular variety V is 0-1 modular and satisfies the general disjointness property. If V is congruence distributive, then the lattice Tol A is pseudocomplemented. If V admits a majority term, then Tol A is 0-modular.

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