Ana Diánez

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For a connected graph G, the r-th extraconnectivity κ r (G) is defined as the minimum cardinality of a cutset X such that all remaining components after the deletion of the vertices of X have at least r+1 vertices. The standard connectivity and superconnectivity correspond to κ 0 (G) and κ 1 (G), respectively. The minimum r-tree degree of G, denoted by ξ r(More)