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Jakubík, Ján
On projective intervals in a modular lattice. (English). Mathematica Bohemica, vol. 117 (1992), issue 3, pp. 293-298
MSC: 06C05 | MR 1184542 | Zbl 0773.06013 | DOI: 10.21136/MB.1992.126283
Keywords:
projective intervals; modular lattice; transposed intervals
Summary:
In this paper a combinatorial result concerning paire of projective intervals of a modular lattice will be established.
References:
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[3] B. Bollobás G. Brightwell J. Nešetřil: Random graphs and covering graphs of posets. Order 3 (1986), 245-255. DOI 10.1007/BF00400288 | MR 0878921
[4] K. Engel N.N. Kuzjurin: About the ration of the size of a maximum antichain to the size of a maximum level in finite partially ordered sets. Combinatorica 5 (1985), 301-309. DOI 10.1007/BF02579244 | MR 0845139
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