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math.MG2021★ 1 cited
A problem on distance matrices of subsets of the Hamming cube
Ian Doust, Reinhard Wolf
Let denote the distance matrix for an point metric space . In the case that is an unweighted metric tree, the sum of the entries in is always equal to…
math.MG2013
The asymptotic enhanced negative type of finite ultrametric spaces
Ian Doust, Stephen Sánchez, Anthony Weston
Negative type inequalities arise in the study of embedding properties of metric spaces, but they often reduce to intractable combinatorial problems. In this paper we study more qua…