Maximal Sublattices of Finite Distributive Lattices. III: A Conjecture from the 1984 Banff Conference on Graphs and Order
Canadian mathematical bulletin, Tome 54 (2011) no. 2, pp. 277-282
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Let $L$ be a finite distributive lattice. Let $\text{Su}{{\text{b}}_{0}}(L)$ be the lattice $$\{S\,|\,S\,\text{is}\,\text{a sublattice of }L\}\cup \{\phi \}$$ and let ${{\ell }_{*}}[\text{Su}{{\text{b}}_{0}}(L)]$ be the length of the shortest maximal chain in $\text{Su}{{\text{b}}_{0}}(L)$ . It is proved that if $K$ and $L$ are non-trivial finite distributive lattices, then $${{\ell }_{*}}[\text{Su}{{\text{b}}_{0}}(K\times L)]={{\ell }_{*}}[\text{Su}{{\text{b}}_{0}}(K)]+{{\ell }_{*}}[\text{Su}{{\text{b}}_{0}}(L)]$$ A conjecture from the 1984 Banff Conference on Graphs and Order is thus proved.
Mots-clés :
06D05, 06D50, 06A07, (distributive) lattice, maximal sublattice, (partially) ordered set
Farley, Jonathan David. Maximal Sublattices of Finite Distributive Lattices. III: A Conjecture from the 1984 Banff Conference on Graphs and Order. Canadian mathematical bulletin, Tome 54 (2011) no. 2, pp. 277-282. doi: 10.4153/CMB-2011-002-6
@article{10_4153_CMB_2011_002_6,
author = {Farley, Jonathan David},
title = {Maximal {Sublattices} of {Finite} {Distributive} {Lattices.} {III:} {A} {Conjecture} from the 1984 {Banff} {Conference} on {Graphs} and {Order}},
journal = {Canadian mathematical bulletin},
pages = {277--282},
year = {2011},
volume = {54},
number = {2},
doi = {10.4153/CMB-2011-002-6},
url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-002-6/}
}
TY - JOUR AU - Farley, Jonathan David TI - Maximal Sublattices of Finite Distributive Lattices. III: A Conjecture from the 1984 Banff Conference on Graphs and Order JO - Canadian mathematical bulletin PY - 2011 SP - 277 EP - 282 VL - 54 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-002-6/ DO - 10.4153/CMB-2011-002-6 ID - 10_4153_CMB_2011_002_6 ER -
%0 Journal Article %A Farley, Jonathan David %T Maximal Sublattices of Finite Distributive Lattices. III: A Conjecture from the 1984 Banff Conference on Graphs and Order %J Canadian mathematical bulletin %D 2011 %P 277-282 %V 54 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-002-6/ %R 10.4153/CMB-2011-002-6 %F 10_4153_CMB_2011_002_6
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