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Thick weakly distance-regular digraphs

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arxiv 2003.08053 v1 pith:3SWZZRFL submitted 2020-03-18 math.CO

Thick weakly distance-regular digraphs

classification math.CO
keywords 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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