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Q: Checking my understanding of Multipliers for Difference Sets

The CountIn "Contemporary Design Theory: A Collection of Surveys," pg. 245 begins the section on multipliers of difference sets. I had previously understood a multiplier $\alpha$ of a difference set $D$ in a group $G$ to be an automorphism of $G$ which in turn induces an automorphism on the points (or b...

 

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