Geodesic
Lagrange Intersections in a Symplectic Space
Funkcionalʹnyj analiz i ego priloženiâ, Tome 34 (2000) no. 4, pp. 64-70.

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The two-dimensional torus $|z_1|=|z_2|=1$ in the symplectic space $\mathbb{C}^2$ and the image of it under a linear symplectomorphism have at least eight common points (counted according to their multiplicities). We also prove a many-dimensional version of this theorem of symplectic linear algebra. 
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P. E. Pushkar'. Lagrange Intersections in a Symplectic Space. Funkcionalʹnyj analiz i ego priloženiâ, Tome 34 (2000) no. 4, pp. 64-70. http://geodesic.mathdoc.fr/item/FAA_2000_34_4_a4/

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