Torus conjecture for toric homotopy path algebras

Let X\mathcal{X} be a proper Deligne–Mumford toric stack, let AXA_{\mathcal{X}} be a toric FSEC homotopy path algebra associated to it, and let XAXX_{A_{\mathcal{X}}} be the associated cellular complex. Let T\mathbb{T} denote a real torus.

Torus conjecture. The complex XAXX_{A_{\mathcal{X}}} is homotopic to a real torus T\mathbb{T}.

Examples in the paper show this behavior for weighted projective stacks such as P(1:1:n)\mathbb{P}(1:1:n), and the preceding proposition establishes that the associated complex has Euler characteristic zero. The general assertion for proper Deligne–Mumford toric stacks remains open in the supplied text.

Sources & referencesView supporting material

Primary source

David Favero and Jesse Huang, “Homotopy Path Algebras”, arXiv:2205.03730 (2024).

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