On the gap of finite metric spaces of p-negative type

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Let (X,d) be a metric space of p-negative type. Recently I. Doust and A. Weston introduced a quantification of the p-negative type property, the so called gap Γ of X. This talk introduces some formulas for the gap Γ of a finite metric space of strict p-negative type and applies them to evaluate Γ for some concrete finite metric spaces.