Relative hulls and quantum codes

Sarah E. Anderson, Eduardo Camps-Moreno, Hiram H. López +3

Given two $q$-ary codes $C_1$ and $C_2$, the relative hull of $C_1$ with respect to $C_2$ is the intersection $C_1\cap C_2^{\perp }$. We prove that when $q>2$, the relative hull dimen…