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Jul 2, 2012 at 0:29 comment added XL _At_Here_There @Chris:Thank you,I will clarify my first question in some days
Jul 2, 2012 at 0:28 vote accept XL _At_Here_There
Jul 2, 2012 at 0:28 vote accept XL _At_Here_There
Jul 2, 2012 at 0:28
Jul 1, 2012 at 17:46 comment added Chris Godsil The first question needs to be formulated more carefully. There are graphs which are simultaneously Cayley graphs for two different groups (e.g. the cube is Cayley for $\mathbb{Z}_2^3$ and for $\mathbb{Z}_2\times\mathbb{Z}_4$). But. however you formulate the answer will be that nobody knows.
Jul 1, 2012 at 8:31 answer added Tony Huynh timeline score: 2
Jul 1, 2012 at 4:50 history asked XL _At_Here_There CC BY-SA 3.0