The generalized volume-loss asymptotic conjecture for bounded domains

Let XR4X\subset\mathbb{R}^4 be a bounded domain, and define

VLX(L,R):=inf{Vol4(E(Φ))},\mathrm{VL}_{X}(L,R):=\inf\{\operatorname{Vol}_4({E}(\Phi))\},

where the infimum is over symplectic embeddings Φ ⁣:RXR4\Phi\colon RX\to\mathbb{R}^4 with Lipschitz constant at most LL, and

E(Φ):=Φ1(R4Z4(π)).{E}(\Phi):=\Phi^{-1}(\mathbb{R}^4\setminus Z^4(\pi)).

For the ball, write VL(L,R)\mathrm{VL}(L,R) for the corresponding volume loss function. Generalized volume-loss conjecture. For all bounded domains XX, the limit

sX:=limRlimLVLX(L,R)VL(L,R)s_X:=\lim_{R\rightarrow\infty}\lim_{L\rightarrow\infty}\frac{\mathrm{VL}_{X}(L,R)}{\mathrm{VL}(L,R)}

exists and is strictly positive. This proposes a positive asymptotic comparison between the volume loss for every bounded domain and that for balls; the supplied text gives no resolution.

Sources & referencesView supporting material

Primary source

Kevin Sackel, Antoine Song, Umut Varolgunes and Jonathan J. Zhu, “On certain quantifications of Gromov's non-squeezing theorem”, arXiv:2105.00586 (2022).

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