Thick weakly distance-regular digraphs
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math.CO
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distance-regularthickweaklydigraphdigraphsattachedcommutativecorresponding
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A weakly distance-regular digraph is thick if its attached scheme is regular. In this paper, we show that each commutative thick weakly distance-regular digraph has a thick weakly distance-regular subdigraph such that the corresponding quotient digraph falls into six families of thick weakly distance-regular digraphs up to isomorphism.
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