Unobstructedness and B-realizability conjecture for tropical curves

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.

Sources & referencesView supporting material

Primary source

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

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