## Congressus numerantium |

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### Contents

Chvatal and G Klincsek | 453 |

R J Friedlander | 461 |

On the SecondOrder Edge Connectivity of a Graph | 479 |

Copyright | |

19 other sections not shown

### Common terms and phrases

acyclic adjacent algorithm antimatroids applied assignment assume automorphism group C-graphs cc(G centroid centroid companion tree chordal chordal graph clique column combinatorial complete component connected construction contains convex copoint corresponding cost cycle defined definition denote difference set digraph directed graph dual graph elements equation equivalent example exists Figure finite function given graph G Graph Theory guideway Hadamard matrices Hamiltonian Hamiltonian cycle Hence hypergraph imbedding implies independent set induced induced subgraph integer k-tree label Lemma Let G linear lower bound Math matrix matroid maximal maximum MICRAL minimal minimum number minimum path cover modules multiplications n-semiorder node obtain operating optimal pair partition path cover permutation planar planar graphs points polynomial probes problem processors Proof Proposition pseudo-similar recursive result rotations route satisfies segment sequence Sheffer sequence shown subgraph subset Suppose Theorem tournament vehicles vertex