Holonomy transformations and application in the curved structure of graphene Alexandre M. de M. Carvalho, Carlos A. de Lima Ribeiro, Fernando Moraes and Claudio Furtado Eur. Phys. J. Plus, 128 6 (2013) 60 Published online: 07 June 2013 DOI: 10.1140/epjp/i2013-13060-x