Filling-count conjecture for twist-spun Legendrians

Let ρ\rho be the twisting monodromy, let ρk\rho^k denote its kk-fold iterate, and let Σρk(λ(2,n))\Sigma_{\rho^k}(\lambda(2,n)) be the corresponding twist-spun Legendrian. Let f(k)f(k) be the function defined earlier in the source. Filling-count conjecture. There are exactly f(k)f(k) exact Lagrangian fillings of Σρk(λ(2,n))\Sigma_{\rho^k}(\lambda(2,n)). The conjecture is part of the paper's proposed relationship between twist-spun Legendrians, sheaf moduli, and folded cluster structures; no resolution is supplied.

Sources & referencesView supporting material

Primary source

James Hughes and Agniva Roy, “Legendrian doubles, twist spuns, and clusters”, arXiv:2505.17901 (2025).

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