Torus conjecture for toric homotopy path algebras

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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.

References

Primary source

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

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