Mehmet Günay discussed about:

• On examples and classification of topological materials

References for this discussion are:

• S.Ryu et al arxiv:0912.2157 v2
• M.Sato et al PRB 83 224511(2011)

and examples may be used from

• X.L.Qi et al; Phys. Rev. B 78, 195424 (2008)
• M.Z.Hasan and C.L. Kane; Rev. Mod. Phys. 82, 3045 (2010).