ICTS

Understanding whether (and how often) a mathematical expression takes a square value is a problem that has fascinated mathematicians since antiquity. In this lecture a survey of this problem, starting from its independent origins in many cultures in ancient times to some of the major advances of...more

It is known for long time that the Universe went through the hot Big Bang stage, with extraordinarily high temperatures of matter and extremely rapid expansion of space. It is less known that existing observational data strongly suggest that the hot Big Bang stage was not the first one, but was...more

Holography relates a quantum theory of gravity in certain space – times known as anti de Sitter spaces, to an ordinary quantum field theory in one less dimensions. In this talk we shall discuss how such correspondences are discovered and how they are tested, giving special emphasis to testing those...more