title: Introduction: Nonlinear localized modes.
authors.affiliation: Nonlinear Physics Group, Research School of Physical Sciences and Engineering, The Australian National University, Canberra ACT 0200, Australia.
authors.forename: Yuri S
authors.initials: YS
authors.lastname: Kivshar
authors.forename: Sergej
authors.initials: S
authors.lastname: Flach