Fig. 2From: Computing tight upper bounds for Bhattacharyya parameters of binary polar code kernels with arbitrary dimensionThe common column binary tree of \({\varvec{x}}^{(2,0)}\) and \({\varvec{x}}^{(2,1)}\): the left part is for \({\varvec{x}}^{(2,0)}\) and the right part is for \({\varvec{x}}^{(2,1)}\)Back to article page