The naive-algebra presentation conjecture for Fukaya Hall composition subalgebras
The naive-algebra presentation conjecture for Fukaya Hall composition subalgebras
Let be a graded marked surface with a full arc system , and suppose that has enough marked intervals, meaning that for each disk in the decomposition induced by , the inclusion is injective on connected components. Let be the naive algebra obtained by gluing the disk algebras, let be the composition subalgebra, and let
be the surjective homomorphism induced by sending each arc generator to the corresponding arc. Naive-algebra presentation conjecture. If has enough marked intervals, then is an algebra isomorphism. The map is known to be an isomorphism when is a disk, while the assertion for general marked surfaces with enough marked intervals remains conjectural.
Sources & referencesView supporting material
Primary source
Benjamin Cooper and Peter Samuelson, “The Hall Algebras of Surfaces I”, arXiv:1708.00889 (2017).
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