Abstracts

Emilio Elizalde

Cosmology and mathematical singularities: A historical perspective

Who was the first to discover that our Universe is expanding? And that it had a beginning? In order to properly deal with these slippery matters, we must start by setting up the playing table, and by carefully choosing the deck of cards we are going to play with. This will bring us to talk about singularities in the most fundamental physical theories. Are there true physical singularities? Or are they always just of mathematical nature?