Non-abelian gerbes are a generalization of principal G-bundles, involving the replacement of the Lie

Let Λ be a D-algebra in the sense of Bernstein and Beilinson. Higgs bundles, vector bundles with fl

Let S be a smooth projective surface over C and B a smooth projective curve. A fibration f : S → B

Let X be a smooth projective curve of genus at least two. Let G be an almost simple affine algebraic

The moduli space M_C of Higgs bundles over a complex curve X admits a hyperkaehler metric: a Riemann

Given a totally nonholonomic distribution of rank two ∆ on a three-dimensional manifold M, it is n

Branes are special submanifolds of hyperkähler manifolds that play an important role in string the

Symplectic geometry and combinatorics are strongly intertwined due to the existence of Hamiltonian t

Using the Dirac–Higgs bundle, we consider a new class of space-filling (BBB)-branes on moduli spac

V. Alexeev proved in 1994 that the set S of self-intersections of the canonical class of stable surf