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### Articles on (Strongly Regular) Graphs and Covering Arrays / Covering Designs?

In their book "Algebraic Graph Theory" Godsil and Royle mention the connection of strongly regular graphs with latin squares and thus Orthogonal Arrays (Chapter 10.4). There seems not to be much ...

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### What is the state of the art on triangle-free strongly regular graphs?

From what I've read I've gathered the following facts:
There are seven known such graphs.
Certain parameter sets are ruled out by the Krein conditions and the absolute bound.
Beyond that, little or ...