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Tight, not semi?fillable contact circle bundles

2003; Springer Nature; Volume: 328; Issue: 1-2 Linguagem: Inglês

10.1007/s00208-003-0483-0

1432-1807

Paolo Lisca, Andr�s I. Stipsicz,

Advanced Algebra and Geometry

Extending our earlier results, we prove that certain tight contact structures on circle bundles over surfaces are not symplectically semi–fillable, thus confirming a conjecture of Ko Honda.