## Ars Combinatoria, Volumes 1-2Department of Combinatorics and Optimization, University of Waterloo., 1976 - Combinatorial analysis |

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### Contents

Graphs with Given Diameter and Minimal Degree | 3 |

Quaterr ionic Equi Isoclinic nPlanes | 11 |

A Characterisation of Affine Triple Systems | 23 |

Copyright | |

13 other sections not shown

### Common terms and phrases

3-regular 5-block 9 varieties adjacent assume blocks containing circulant matrix circulant weighing matrix collinear colour column Combinatorial comma-free code conjecture consider constructed contradiction COROLLARY corresponding cycles defined denote design of type digraph dinetwork disjoint distinct elements embedded embeds equation equivalent extremal graphs Figure finite GQ of order graph G Graph Theory Hadamard matrix Hall polynomial Hence integer inversive plane isomorphic Jennifer Seberry join least lemma Lemma 3.6 implies linear code lines Math matrix of order n-connected nodes number of edges obtain occurs orthogonal design packing parallel classes parameter partial triple systems partition path of length permutation plane of order positive integer preassignment projective plane prove quadrilaterals r,X)-design R. G. Stanton R.C. Mullin result Room square satisfies sequence solutions sp(x span Steiner system Steiner triple systems subgraph Suppose THEOREM triad type 14 varieties type 9 vertices W.T. Tutte Waterloo