On the Donaldson-Uhlenbeck compactification of instanton moduli spaces on class VII surfaces

Nicholas Buchdahl, Andrei Teleman, Matei Toma

We study the following question: Let $(X,g)$ be a compact Gauduchon surface, $(E,h)$ be a differentiable rank $r$ vector bundle on $X$, $\mathcal{D}$ be a fixed holomorphic struc…