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On symplectic caps

An important class of contact 3--manifolds are those that arise as links of rational surface singularities with reduced fundamental cycle. We explicitly describe symplectic caps (concave fillings) of such contact 3--manifolds. As an application, we present a new obstruction for such singularities to admit rational homology disk smoothings.

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Co-authorshipAuthorshipAuthorshipTopic signalTopic signalWOn symplectic capspreprint / 2010ADavid T. GayResearcherAAndras I. StipsiczResearcherTmath.GT2393 worksTmath.SG870 works
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On symplectic caps

preprint / 2010

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