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Jul 27, 2013 at 1:14 comment added Brendan McKay I think you must be missing a condition. If there is a $p$-cycle (i.e. one cycle of length $p$ and the rest fixed points) it is indeed an easy exercise, but I don't see why it should be true just from the presence of a block of size $p$. In fact it isn't true, take the cartesian product of a $p$-cycle and a $4$-cycle.
Jul 26, 2013 at 22:28 comment added The Masked Avenger I thought Chris Godsil was (at the time of writing of the referenced paper) of male gender. I don't know about now; if Chris prefers "she" and "her", that memo has yet to reach my desk.
Jul 26, 2013 at 21:06 history edited Ricardo Andrade CC BY-SA 3.0
added more generic tag; corrected misspellings
Jul 26, 2013 at 14:41 review First posts
Jul 26, 2013 at 15:11
Jul 26, 2013 at 14:23 history asked user53093 CC BY-SA 3.0