The torus-generator chain-map conjecture for convex toric domains

Let XΩX_\Omega be a smooth convex toric domain with boundary YY. Let CT3C_*^{T^3} be the chain complex freely generated over Z/2\mathbb{Z}/2 by torus generators, with differential given by rounding a corner and locally losing one edge labeled hh. For a convex generator Λ\Lambda, let Λ~\tilde{\Lambda} be the torus generator obtained by attaching to Λ\Lambda a vertical segment from (0,0)(0,0) to its upper-left endpoint and a horizontal segment from (0,0)(0,0) to its lower-right endpoint, labeling the new segments ee. The torus-generator chain-map conjecture. One can choose the contact form λ\lambda on YY specified in the perturbation lemma and a generic λ\lambda-compatible almost complex structure JJ on R×Y\mathbb{R}\times Y such that the linear map

ECCL(Y,λ,0,J)CT3,ECC^L(Y,\lambda,0,J)\longrightarrow C_*^{T^3},

sending the admissible orbit set ı(Λ)\imath(\Lambda) to the torus generator Λ~\tilde{\Lambda}, is a chain map. This conjecture would give an improved version of the theorem for smooth convex toric domains by identifying the relevant ECH differential with the combinatorial torus-generator differential.

Sources & referencesView supporting material

Primary source

Michael Hutchings, “Beyond ECH capacities”, arXiv:1409.1352 (2015).

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