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Tag Archives: Qi Cai
The Hall–Paige conjecture
A Latin square of ordern is an n×n array of symbols from an alphabet of size n with the property that each symbol in the alphabet occurs once in each row or column. Two Latin squares L and M are … Continue reading
Synchronization update
There is some recent news about the synchronization project. Two steps forward have occurred. The setup Here is a brief recapitulation. Let G be a transitive permutation group on Ω, where Ω = n. We say that G is nonsynchronizing if there … Continue reading