Timeline for Classes of graphs for which isospectrum implies isomorphism?
Current License: CC BY-SA 2.5
2 events
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| Dec 13, 2010 at 22:17 | comment | added | Pete L. Clark | Well, the class of graphs of vertex degree at most two is closed under passage to covering spaces. Also you needn't worry about covering spaces if you are looking at classes of trees. Still, your point is well-taken. | |
| Dec 13, 2010 at 17:42 | history | answered | Ian Agol | CC BY-SA 2.5 |