Publications
Total number of publications: 75
2000
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Being a proper trapezoid ordered set is a comparability invariant
Order, year: 2000, volume: 17, edition: 3
1999
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Identities in ordered sets
Order, year: 1999, volume: 15, edition: 3
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On equivalence relations in ordered sets
Order, year: 1999, volume: 15, edition: 4
1998
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A useful fixpoint theorem
Rendiconti del Circolo Matematico di Palermo, year: 1998, volume: 47, edition: 3
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Left adjoint for booleanization
Applied Categorical Structures, year: 1998, volume: 6, edition: 4
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On automorphism groups of planar lattices
Mathematica Bohemica, year: 1998, volume: 123, edition: 2
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Semimodularity and irreducible elements
Acta Scientiarum Mathematicarum, year: 1998, volume: 64, edition: 3-4
1995
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Boolean and distributive ordered sets: characterization and representation by sets
Order, year: 1995, volume: 12, edition: 2
1993
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On equalizers in the category of frames with weakly open homomorphisms
Czechoslovak Math. J., year: 1993, volume: 42, edition: 3
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On frame congruences generated by frame tolerances
Archivum Mathematicum, year: 1993, volume: 28, edition: 1-2