## Congressus Numerantium, Volumes 106-108 |

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### Contents

Tournament Square Root Graphs by Raymond R Fletcher HI | 7 |

Degree Sequences with Single Repetitions by Guantao Chen Wiktor Piotrowski | 27 |

SignRankk Matrices by LeRoy B Beasley and Daniel J Scully | 47 |

Copyright | |

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### Common terms and phrases

5-cycles adjacent algorithm assume automorphism blocks bound c-irredundant clique CMIRK schemes coefficients color Combinatorial competition graphs complete graph Computer connected graph consider contains convex Corollary corresponding cycle decomposition defined definition degree deletion denote digraph disjoint distance graph dominating set domination graph elements equations example exists Figure follows graph G Graph Theory greatest stratified subgraphs greedoid hamiltonian hamiltonian cycle Hence heuristics implies induced subgraph integer interval graph irc(G isomorphic joined k-Partition labeled least Lemma Let G Math Mathematics maximal maximum method multigraphs neighbors nodes NP-Complete obtained OODB optimal path pair paper partition partition regular pebbles permutation points primitive root problem Proof Proposition remain in D4 removed result semilocally sequence solution stage order Steiner Steiner triple system stratified graphs strong 2-cell imbedding strong orientation submesh subtree Suppose Theorem tournament tree Tutte polynomial vector vertical edge weighting function