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Lattices contained in planar orders are planar |
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| Authors: | Richard Nowakowski Ivan Rival Jorge Urrutia |
| Institution: | (1) Department of Mathematics, Dalhousie University, Halifax, Canada;(2) Department of Computer Science, University of Ottawa, KIN 9B4, Ottawa, Canada |
| Abstract: | The covering graph of a lattice which is contained in an ordered set with a planar covering graph is itself planar.Presented by R. W. Quackenbush. |
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