Canadian Journal of Mathematics · 1950 · 36 citations · 1 references
Natural SciencesMathematicsAlgebraCombinatoricsNumber TheoryAbstract AlgebraGroup TheoryAlgebraic LatticesCombinatorial LatticesDistributive Lattices
The problem of finding a lattice with a given abstract group of automorphisms has been solved by Garrett Birkhoff who proved that for any group of order g there exists a distributive lattice with at most elements. That this number can be somewhat reduced by modifications of Birkhoff's original procedure has already been shown by the author; it turns out, however, that it remains rather high for finite groups of relatively low order.
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Graphs of Degree Three with a Given Abstract Group
Robert Frucht · Canadian Journal of Mathematics · 1949 · 143 citations · Full text