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Showing 2020 · math.COShow all
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math.CO2020
Divisible design digraphs and association schemes
Hadi Kharaghani, Sho Suda
Divisible design digraphs are constructed from skew balanced generalized weighing matrices and generalized Hadamard matrices. Commutative and non-commutative association schemes ar…
math.CO2020
New constructions of Deza digraphs
Dean Crnkovic, Hadi Kharaghani, Sho Suda +1
Deza digraphs were introduced in 2003 by Zhang and Wang as directed graph version of Deza graphs, that also generalize the notion of directed strongly regular graphs. In this paper…