Moduli Stacks of Bundles on Local Surfaces
classification
🧮 math.AG
hep-th
keywords
bundlespresentationstackssurfacesactionalgebraicautomorphismcertain
read the original abstract
We give an explicit groupoid presentation of certain stacks of vector bundles on formal neighborhoods of rational curves inside algebraic surfaces. The presentation involves a M\"obius type action of an automorphism group on a space of extensions.
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