On Rivest-Vuillemin Conjecture for Fourteen Variables

Guangmo Tong, Weili Wu, Ding-Zhu Du

A boolean function $f(x_1,...,x_n)$ is \textit{weakly symmetric} if it is invariant under a transitive permutation group on its variables. A boolean function $f(x_1,...,x_n)$ is \t…