Revisiting the region determined by Spearman's $\rho$ and Spearman's footrule $\varphi$

Marco Tschimpke, Manuela Schreyer, Wolfgang Trutschnig

Kokol and Stopar ($2023$) recently studied the exact region ${\Omega }_{\varphi ,\rho }$ determined by Spearman's footrule $\varphi$ and Spearman's $\rho$ and derived a sharp lower, as well as a non-sharp upp…