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Partially balance incomplete block (PBIB) design is based on association scheme. There are many kinds of association schemes and the structure of association scheme itself is an important object in co...
Pseudocyclic and non-amorphic fusion schemes of the cyclotomic association schemes
Amorphic association scheme cyclotomy Gauss sum
2011/1/20
We construct twelve infinite families of pseudocyclic and non-amorphic association schemes, in which each nontrivial relation is a strongly regular graph. Three of the twelve families generalize the c...