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math.CO2022
Constructions and restrictions for balanced splittable Hadamard matrices
Jonathan Jedwab, Shuxing Li, Samuel Simon
A Hadamard matrix is balanced splittable if some subset of its rows has the property that the dot product of every two distinct columns takes at most two values. This definition wa…
math.CO2022★ 1 cited
A group-based structure for perfect sequence covering arrays
Jingzhou Na, Jonathan Jedwab, Shuxing Li
An -perfect sequence covering array with multiplicity , denoted PSCA, is a multiset whose elements are permutations of the sequence and which c…