title: Comment on "Ground-state phase diagram of a half-filled one-dimensional extended Hubbard model".
authors.affiliation: Department of Physics, Abo Akademi University, Porthansgatan 3, FIN-20500 Turku, Finland.
authors.forename: Anders W
authors.initials: AW
authors.lastname: Sandvik
authors.forename: Pinaki
authors.initials: P
authors.lastname: Sengupta
authors.forename: David K
authors.initials: DK
authors.lastname: Campbell