## Congressus Numerantium, Volumes 140-141 |

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### Contents

The CliqueWidth of Unit Interval Graphs is Unbounded | 5 |

Quadrangular Cay ley Graphs Embedded on the Torus by Linda Vaides | 19 |

Cycle Free Probe Interval Graphs by Li Sheng | 33 |

Copyright | |

10 other sections not shown

### Common terms and phrases

3-D mesh adjacent algorithm assume basic blocks BTSR Cayley graph central vertex clique clique-width column complete graph Computer Congressus Numerantium connected graph consider construct contains contradiction contravariant covariant defined denote destination diam(G eccentric vertex edge-deleted edge-graceful labeling edge-magic elements of frequency example exists faulty cube formula G is eccentric geodetic number geodetic set graph G Graph Theory halfcycles Hamilton cycle Hamilton path Hence hexagonal implies induced subgraph integer intersects join k-tour knight's tour least Lemma Let G Lotto design lower bound Mathematics maximal independent sets mensuration canon metric middle two levels minimal path mod n2 multicast node number of basic number of leaves O-array obtain pair partition pendant edge peripheral appendage number permutation graph probe interval graph Proof rad(G result rotations spanning tree subsets supervaluation Suppose symmetry traffic steps triangular honeycomb upper bound vertex set vertices of G