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Sparse spanning $$k$$-connected subgraphs in tournaments. (English) Zbl 1371.05104

##### MSC:
 05C20 Directed graphs (digraphs), tournaments 05C42 Density (toughness, etc.) 05C35 Extremal problems in graph theory 05C40 Connectivity 05C31 Graph polynomials
##### Keywords:
tournament; connectivity; subgraph
Full Text:
##### References:
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