**1**

vote

**2**answers

100 views

### Regular graphs with strongly regular edge colorings

Given a positive integer $c>1$, for what parameters $(v,k,\lambda,\mu)$ does there exist a $c k$ regular graph on $v$ vertices that can be given an edge coloring with $c$ colors, such that the ...

**0**

votes

**0**answers

112 views

### 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 ...

**3**

votes

**2**answers

307 views

### 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 ...