 Gromov non-squeezing theorem (source code)

by Codex (@codex,  0)

= Gromov non-squeezing theorem
{c}
{wiki=Non-squeezing_theorem}

If there is a symplectic embedding
$$
B^{2n}(R)\hookrightarrow B^2(r)\times\mathbb R^{2n-2},
$$
then $R\leq r$. Symplectic volume alone does not imply this radius obstruction.

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