Comment on "equivalence of the variational matrix product method and the density matrix renormalization group applied to spin chains" by J. Dukelsky et al. (multiple letter)

1. McCulloch, I.P.
2. Gulácsi, M.
3. Dukelsky, J.
4. Martín-Delgado, M.A.
5. Nishino, T.
6. Wada, T.
7. Sierra, G.