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Universal -ary designs
Liam Jolliffe
We investigate -ary -designs which are simultaneously designs for all , which we call universal -ary designs. Null universal designs are well understood due to Gordon J…
math.CO2020
A Short Proof of the Rank Formula for Inclusion Matrices using the Representation Theory of the Symmetric Group
Liam Jolliffe
We present a new proof of the well known formula for the rank of the inclusion matrix by constructing a -module spanned by the columns of this matrix and calculatin…