Abstract
We use the Ozsváth–Szabó contact invariant to produce examples of strongly symplectically fillable contact 3–manifolds which are not Stein fillable.
Citation
Paolo Ghiggini. "Strongly fillable contact 3–manifolds without Stein fillings." Geom. Topol. 9 (3) 1677 - 1687, 2005. https://doi.org/10.2140/gt.2005.9.1677
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