Abstract
We proved in §3 that for a dense set of metrics the irreducible connections \( \hat{M} \) in the moduli space form a smooth manifold. Now we examine the singular points {p1,p2, ... ,P m } ⊆ M corresponding to reducible connections. We show that after a small perturbation of M, made either by hand or through a perturbation of the metric, a neighborhood of each singular point is homeomorphic to an open cone on ℂℙ2. Furthermore, these homeomorphisms are smooth off the singular points.
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© 1991 Springer-Verlag New York Inc.
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Freed, D.S., Uhlenbeck, K.K., Mathematical Sciences Research Institute. (1991). Cones on ℂℙ2. In: Instantons and Four-Manifolds. Mathematical Sciences Research Institute Publications, vol 1. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-9703-8_6
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DOI: https://doi.org/10.1007/978-1-4613-9703-8_6
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4613-9705-2
Online ISBN: 978-1-4613-9703-8
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