### From G-designs

# Other Families

In this section we give results on the spectrum problem for some
further families of graphs, namely cubes, graphs of some geometric
solids, some snarks, complete bipartite graphs, even graphs, theta
graphs, unions of graphs, and some other miscellaneous families.

Cubes

Graphs of Geometric Solids

Snarks

Complete bipartite graphs

Even graphs

Theta graphs

Unions of graphs

Miscellaneous