# strongly regular

## Cores of strongly regular graphs ★★★

\begin{question} Does every \Def{strongly regular graph} have either itself or a complete graph as a \Def[core]{core (graph theory)}? \end{question}

Keywords: core; strongly regular

## Triangle free strongly regular graphs ★★★

Author(s):

\begin{problem} Is there an eighth triangle free strongly regular graph? \end{problem}

Keywords: strongly regular; triangle free