The capacity conjecture for stably non-displaceable subsets

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Let (M,ω)(M,\omega) be a closed symplectic manifold, let nn be a positive integer, and let XX be a compact subset that is nn-stably non-displaceable, meaning that X×TnX\times T^n is not displaceable in M×T∗TnM\times T^\ast T^n. For e=(e1,…,en)∈Zne=(e_1,\ldots,e_n)\in\mathbb{Z}^n and R=(R1,…,Rn)∈(R>0)nR=(R_1,\ldots,R_n)\in(\mathbb{R}_{>0})^n, define the relative symplectic capacity by

C(M,X,R;e)=CBPS(M×IRn×Tn,X×Tn;(0M,e)).C(M,X,R;e)=C_{BPS}(M\times I_R^n\times T^n,X\times T^n;(0_M,e)).

The capacity conjecture. The equality

C(M,X,R;e)=∑i=1nRi⋅∣ei∣C(M,X,R;e)=\sum_{i=1}^n R_i\cdot|e_i|

holds for every e∈Zne\in\mathbb{Z}^n and R∈(R>0)nR\in(\mathbb{R}_{>0})^n. This predicts an explicit value for the Biran–Polterovich–Salamon capacity associated with any such compact subset.

References

Primary source

Morimichi Kawasaki, “Heavy subsets and non-contractible trajectories”, arXiv:1606.01964 (2017).

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