## Congressus Numerantium, Volumes 101-102 |

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### Contents

How wide can you spread your chop sticks? by Moshe Rosenfeld | 29 |

Multidimensional Interval Graphs by Nishit Kumar and Narsingh Deo | 45 |

The Interior and Annulus of a Graph by Gary Chanrand Garry L Johns | 57 |

Copyright | |

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### Common terms and phrases

4-labelling 5-critical adjacent affine matroid algorithm articulation point balanced strand binding number bipartite graph block graph chromatic polynomials circulant graph Combinatorial complete graph Computer connected graph consider construct contains core Corollary critical point defined definition deletion denote digraph dimension directed graph disks edge-graceful edge-induced subgraphs elements EPL(i example exists Figure finite function G/vk Gaussian given graph G graph of order Graph Theory hamiltonian cycle Hence induced subgraph intersection interval graphs interval representation Latin squares lattice legs Lemma length Let G level graph linear matrix minimal minimum node number of vertices obtained optimal orthomorphisms pair permutation cube plane polytopes positive integer Proof Proposition puzzle reachable recurrence Reed-Muller codes result series-parallel graph shortest path skip edge sofic shift sort sequence strongly diagonal Suppose ternary designs Theorem tree unique 7-set vertex vertex of degree weight