AMERICAN JOURNAL OF MATHEMATICS, vol.133, no.5, pp.1259-1297, 2011 (SCI-Expanded)
Article / Article
AMERICAN JOURNAL OF MATHEMATICS
Science Citation Index Expanded (SCI-EXPANDED), Scopus
Middle East Technical University Affiliated:
We classify the resolution graphs of weighted homogeneous surface singularities which admit rational homology disk smoothings. The nonexistence of rational homology disk smoothings is shown by symplectic geometric methods, while the existence is verified via smoothings of negative weight.