2 papers
math.CO2025
On sets with missing differences in compact abelian groups
Pablo Candela, Fernando Chamizo, Antonio Córdoba
A much-studied problem posed by Motzkin asks to determine, given a finite set of integers, the so-called Motzkin density for , i.e., the supremum of upper densities of sets…
math.ST2025
Nonparametric estimation of the multivariate Spearman's footrule: a further discussion
Ana Pérez, Mercedes Prieto-Alaiz, Fernando Chamizo +2
In this paper, we propose two new estimators of the multivariate rank correlation coefficient Spearman's footrule which are based on two general estimators for Average Orthant Depe…