Combinatorial Mathematics III

A partial census of trivalent generalized Moore networks....Pages 1-27
A note on balanced weighing matrices....Pages 28-41
The theory of left-right paths....Pages 42-54
The graph of the chromial of a graph....Pages 55-61
An alternative to the round robin tournament....Pages 62-78
Host-parasite relationships....Pages 79-82
Computer assisted generation of difference blocks....Pages 83-89
Maximal sets of one-factors....Pages 90-94
Comparing the shapes of trees....Pages 95-100
An amusing proof in fluctuation theory....Pages 101-104
\"Combination of events\" made easy....Pages 105-115
Stability and operations on graphs....Pages 116-135
Decomposition of complete graphs into 6-stars and into 10-stars....Pages 136-142
Some problems in permutation graphs....Pages 143-155
On the matrices used to construct baumert-hall arrays....Pages 156-170
A conjecture about circuits in planar graphs....Pages 171-175
Stability and cacti....Pages 176-179
An algorithm for finding the shortest terminal strings which can be produced from non-terminals in context-free grammars....Pages 180-196
Some translation planes with elations which are not translations....Pages 197-209
All erections of a combinatorial geometry and their automorphism groups....Pages 210-213
Nested designs from sum-free sets....Pages 214-226
Non-colourable trivalent graphs....Pages 227-233