Manuel Úbeda-Flores
Universidad de Almería, Departamento de Estadística y Matemática Aplicada, Carretera de Sacramento s/n, La Cañada de San Urbano, 04120, Almería, Spain
On the existence of a trivariate copula with given values of a trivariate quasi-copula at several points
Fuzzy Sets and Systems
In this note we provide a large class of diagonals for which the best-possible upper bound on sets of copulas with a given diagonal section is a copula.