Simple 3-polytopal graphs with edges of only two types and shortness coefficients
Michal Tkáč (1992)
Mathematica Slovaca
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Displaying similar documents to “Precise lower bound for the number of edges of minor weight in planar maps”
Simple 3-polytopal graphs with edges of only two types and shortness coefficients
On -domination number of a graph
San Ming Zhou (1996)
Czechoslovak Mathematical Journal
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Note on -chromatic graphs
Dănuţ Marcu (1994)
Mathematica Bohemica
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In this paper we characterize -chromatic graphs without isolated vertices and connected -chromatic graphs having a minimal number of edges.