On the Structure of C3-Critical Minimal 6-Connected Graphs


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In this paper, C3-critical minimal 6-connected graphs are studied; they are defined as 6-connected graphs, any subgraph of which obtained by edge deletion is not 6-connected and in which any clique on at most 3 vertices is contained in a 6-cutset. It is proved that more than\( \frac{5}{9} \)of all vertices of such a graph have degree 6. Bibliography: 18 titles.

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A. Pastor

St. Petersburg Department of the Steklov Mathematical Institute, St. Petersburg State Polytechnic University

Autor responsável pela correspondência
Email: pastor@pdmi.ras.ru
Rússia, St. Petersburg

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