Exploring the global topology of the universe
arXiv:gr-qc/0112078
Abstract
In this talk work done by our group on cosmic topology is reviewed. It ranges from early attempts to solve a famous controversy about quasars through the multiplicity of images, to quantum cosmology in this context and an application to QED renormalization.
4 pages. Contribution to the XXII Brazilian National Meeting on Particles and Fields, Sao Lourenco, October 2001