Symplectic fillability of toric contact manifolds

被引:1
|
作者
Marinkovic, Aleksandra [1 ]
机构
[1] Univ Lisbon, Inst Super Tecn, Dept Math, Ctr Math Anal Geometry & Dynam Syst, Ave Rovisco Pais, P-1049001 Lisbon, Portugal
关键词
Contact manifold; Toric action; Symplectic fillability; CONTACTOMORPHISM GROUPS; MAXIMAL TORI;
D O I
10.1007/s10998-016-0147-y
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
According to Lerman, compact connected toric contact 3-manifolds with a non-free toric action whose moment cone spans an angle greater than are overtwisted, thus non-fillable. In contrast, we show that all compact connected toric contact manifolds in dimension greater than three are weakly symplectically fillable and many of them are strongly symplectically fillable. The proof is based on Lerman's classification of toric contact manifolds and on our observation that the only contact manifolds in higher dimensions that admit free toric action are the cosphere bundle of and , with the unique contact structure.
引用
收藏
页码:16 / 26
页数:11
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