Branes through finite group actions
  Mid-dimensional $(A,B,A)$ and $(B,B,B)$-branes in the moduli space of flat $G_{\mathbb C}$-connections appearing from finite group actions on compact Riemann surfaces are studied. The geometry and topology of these spaces is then described via the corresponding Higgs bundles and Hitchin fibrations. 
Sebastian Heller and Laura P. Schaposnik
math.AG math-ph math.DG math.MP