Difference between revisions of "Hadamard difference set"

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A [[difference set]] in a [[group]] is termed a '''Hadamard difference set''' or a '''Menon difference set''' if its [[order of a difference set|order]] is 1/4 times the [[order]] of the group.
 
A [[difference set]] in a [[group]] is termed a '''Hadamard difference set''' or a '''Menon difference set''' if its [[order of a difference set|order]] is 1/4 times the [[order]] of the group.
  
The significance is that the order of a difference set can never exceed 1/4 times the order of the group.
+
The significance is that the order of a difference set can be at most (roughly) 1/4 the order of the group.

Revision as of 00:48, 12 September 2007

Template:Difference set property

Definition

A difference set in a group is termed a Hadamard difference set or a Menon difference set if its order is 1/4 times the order of the group.

The significance is that the order of a difference set can be at most (roughly) 1/4 the order of the group.