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Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(online) ISSN 0025-5718(print)

 

An inductive algorithm to construct finite lattices


Author: Shoji Kyuno
Journal: Math. Comp. 33 (1979), 409-421
MSC: Primary 06B05
MathSciNet review: 514837
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Abstract: G. Birkhoff [1] proposed the following problem: Enumerate all finite lattices which are uniquely determined (up to isomorphism) by their diagram, considered as a graph.

It is not known how many lattices of order n exist, except when the value of n is quite small. The aim of this note is to give an algorithm to construct inductively all finite lattices of order n. Using this algorithm, we have found that there exist 222 lattices for $ n = 8$ and 1078 lattices for $ n = 9$. All lattices of order $ n \leqslant 8$ are shown at the end of this note.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0025-5718-1979-0514837-9
PII: S 0025-5718(1979)0514837-9
Article copyright: © Copyright 1979 American Mathematical Society



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