Blowdowns and McKay correspondence on four dimensional quasitoric orbifolds

preprint2011arXivOpen access

Abstract

We prove the existence of torus invariant almost complex structure on any positively omnioriented four dimensional primitive quasitoric orbifold. We construct pseudo-holomorphic blowdown maps for such orbifolds. We prove a version of McKay correspondence when the blowdowns are crepant.

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