Unobstructedness and B-realizability conjecture for tropical curves

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Let V↠?V\twoheadrightarrow \text{?} be a tropical curve in Rn\mathbb R^n, and let LVL_V be a geometric Lagrangian lift of VV. The lift is unobstructed when its obstruction term vanishes in the relevant Floer-theoretic deformation theory, and VV is BB-realizable when it lifts to an analytic subset of (Λ∗)n(\Lambda^*)^n.

Unobstructedness and B-realizability conjecture. The geometric Lagrangian lift LVL_V is unobstructed if and only if VV is BB-realizable.

The conjecture proposes an equivalence between the symplectic unobstructedness of a tropical curve's Lagrangian lift and its algebraic realizability. The paper proves unobstructedness for genus-zero tropical curves and realizability for tropical curves in tropical abelian surfaces, but the stated equivalence is not established in general.

References

Primary source

Jeff Hicks, “Realizability in tropical geometry and unobstructedness of Lagrangian submanifolds”, arXiv:2204.06432 (2024).

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