Building "exotic" symplectic T^* S^n
I will describe a construction of symplectic manifolds diffeomorphic to T^* S^n, but with symplectic
Geometry and Topology
On surfaces of general type with geometric genus zero, K^2=3 and non-Abelian fundamental group of or
The moduli space of surfaces of general type with fixed numerical invariants is an intricate object.
GIT characterizations of Harder-Narasimhan filtrations
In a moduli space, usually, we impose a notion of stability for the objects and, when construc
Chern numbers of compact symplectic manifolds with a circle action
In this talk I will discuss some problems related to the classification of some equivariant topologi
Simple and exceptional bundles of homological dimension $2$
See 'Information' below.
Geometry of character varieties of abelian groups
The description of the space of commuting elements in a compact Lie group is an interesting al
Higgs bundles for the non-compact dual of the special orthogonal group
We use Higgs bundles to study the character variety for representations of a surface group in the no
Weak Topological Complexity
The topological complexity of a space has been introduced by M. Farber in order to give a measure of
sl(n) web algebras and skew howe duality
This talk is based on joint work with Weiwei Pan, Daniel Tubbenhauer and with Yasuyoshi Yonezawa. In