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math.CO2023
Algebraic Enumeration of Polypolyhedra
George Henderson-Walshe, Michael Langton, Jeanette Claire McLeod +1
Polypolyhedra are edge-transitive compounds of polyhedra. In this paper we use group theory to determine the number of distinct polypolyhedra whose symmetry group is any given fini…
math.CO2011
Asymptotic enumeration of symmetric integer matrices with uniform row sums
Brendan D. McKay, Jeanette C. McLeod
We investigate the number of symmetric matrices of non-negative integers with zero diagonal such that each row sum is the same. Equivalently, these are zero diagonal symmetric cont…