Plücker formulas for complex plane algebraic curves, relate the genus, number of double points, cu

Kiem proved that the moduli space of SL(2,C)-Higgs bundles over a smooth projective curve X admits a

Given a complex reductive group G, the moduli space M(G) of G-Higgs bundles on a curve has a natural

Links of Gorenstein toric isolated singularities are good toric contact  manifolds with zero first

Motivated by the work of Gukov and Du Pei we discuss a construction of a Frobenius algebra, which co

Mumford introduced in the 1960ies an algebraic approach to the construction of (almost) canonical ba

In this introduction for geometers and topologists, we explain the role that central extensions of L

Framed sheaves over surfaces first appeared as a generalisation of framed SU(r) instantons on S4. La

The notion of topological complexity of a space has been introduced by M. Farber in order to give a