A survey of our current understanding of smooth 4-manifolds.

We will introduce the notion of $G$-Higgs bundle and focus in a particular case which gives us much

Joint work with: Sami Dakhlia (Department of Economics and Finance, College of Business, University

In this talk, I will present the theory of homological link invariants, together with some recent de

We will prove that if M is an n-dimensional smooth compact connected manifold, of cup length n, then

Moduli spaces of polygons have been, since the ’90s, a widely studied example of K¨ahler reductio

Trata-se de apresentar uma cohomologia associada a folheações sem nenhuma estrutura diferenciable,

It has been several attempts to generalize the ordinary commutative algebraic geometry to the noncom