Hamiltonian invariance conjecture for Plücker-torus potentials

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Let d4cd4c be a Plücker sequence of type (k,n)(k,n), and let Ls⊂Gr⁡(k,n)L_\mathfrak{s}\subset\operatorname{Gr}(k,n) be its associated Plücker torus. The Laurent polynomial WsW_\mathfrak{s} is defined on the algebraic torus H1(Ls;Z)⊗C×H_1(L_\mathfrak{s};\mathbb{Z})\otimes\mathbb{C}^\times. Hamiltonian invariance conjecture. The Laurent polynomial WsW_\mathfrak{s} is an invariant of the Hamiltonian isotopy class of the Lagrangian torus LsL_\mathfrak{s}. This asserts that the potential depends only on the Hamiltonian isotopy class, rather than on the chosen Plücker sequence or auxiliary construction.

References

Primary source

Marco Castronovo, “Exotic Lagrangian tori in Grassmannians”, arXiv:1910.10888 (2021).

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