Every augmentation lifts to a curved augmentation

Let (A,)(\mathcal{A},\partial) be the Chekanov–Eliashberg algebra of a Legendrian, let (L,d)(\mathcal{L},d) be its LSFT algebra, and let ϵ:Ak\epsilon:\mathcal{A}\to\Bbbk be an augmentation. A cc-curved augmentation is a map ϵ~:Lkη\tilde{\epsilon}:\mathcal{L}\to\Bbbk\llbracket\eta\rrbracket lifting ϵ\epsilon and having curvature parameter ckc\in\Bbbk. Every-augmentation lifting conjecture. Every augmentation lifts to a cc-curved augmentation, for any ckc\in\Bbbk. Computational examples suggest that such lifts exist generally, extending the canonical lift in the case c=0c=0; whether this holds for all augmentations remains open.

Sources & referencesView supporting material

Primary source

Zhenyi Chen, “A_Sabloff Duality via the LSFT Algebra”, arXiv:2410.20523 (2025).

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