Analytic lattice cohomology as a submodule of topological lattice cohomology

Fix a topological type, with associated topological lattice cohomology Htop,0(M)\mathbb H^*_{top,0}(M), and let (X,o)(X,o) be any analytic type supported on it. Let Rtop,0(M)\mathfrak{R}_{top,0}(M) and Ran,0(X,o)\mathfrak{R}_{an,0}(X,o) denote the corresponding graded roots.

Analytic lattice cohomology conjecture. The morphism

Han,0(X,o)Htop,0(M)\mathbb H^*_{an,0}(X,o)\to \mathbb H^*_{top,0}(M)

is injective. At the level of graded roots, the graded graph morphism

Rtop,0(M)Ran,0(X,o)\mathfrak{R}_{top,0}(M)\to \mathfrak{R}_{an,0}(X,o)

is surjective on vertices and edges. Equivalently, the analytic lattice cohomologies arising from analytic types supported on the fixed topological type should be precisely characterized among the graded Z[U]\mathbb Z[U]-submodules of Htop,0(M)\mathbb H^*_{top,0}(M).

This conjecture makes the preceding classification problem more precise: it seeks to determine which analytic lattice cohomology modules can occur for a fixed topological type. The source gives examples supporting it, but no resolution is stated.

Sources & referencesView supporting material

Primary source

Tamás Ágoston and András Némethi, “Analytic lattice cohomology of surface singularities”, arXiv:2108.12294 (2021).

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