%0 Journal Article %T A topological pinching for the injectivity radius of a compact surface in S^3 and in H^3 %A Edson S. Figueiredo %A Jaime Ripoll %J Mathematics %D 2008 %I arXiv %X It is given a topological pinching for the injectivity radius of a compact embedded surface either in the sphere or in the hyperbolic space %U http://arxiv.org/abs/0807.3154v2