From the generalized uncertainty relations on fuzzy AdS 2 to the Poincaré geometry H. Fakhri, A. Hashemi and M. Lotfizadeh Eur. Phys. J. C, 72 3 (2012) 1919 Published online: 10 March 2012 DOI: 10.1140/epjc/s10052-012-1919-z