“Perturbative QED on de Sitter Universe” lecture by Cosmin Crucean in Nis
                                 July 7, 2010
                            Lectures
                            			
		                    
                            Faculty of Physics University of Craiova, Romania and Faculty of Science and Mathematics, Nis (Department of Physics, Chair of Theoretical Physics and Center for Theoretical Physics), through the SEENET-MTP – UNESCO-BRESCE Project “Training and Mobility …