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The conjecture on one-element extensions and deletions of difference sets
Let $G$ be a finite group, and let an ADS be obtained from a difference set in $G$ by adding or removing one element. The one-element ADS conjecture. If $G$ is cyclic or has odd or…
Conjectureopenalmost-difference-sets difference-sets finite-groupsarXiv posted 2 days ago

The conjecture on one-element extensions and deletions of difference sets