The finite-space characterization of Lebesgue covering dimension
Let be a finite topological space weakly homotopy equivalent to the sphere , with a trivial Serre fibration, and let denote the chosen Čech -th homology group. Let and be the indicated finite-space maps. The Lebesgue-dimension conjecture. For a finite CW complex ,
if and only if
The source explicitly leaves the homological theory underspecified, so the proposed equivalence is open and tentative.
References
Primary source
Misha Gavrilovich, “Finite combinatorics implicit in the basic definitions of topology”, arXiv:2409.20464 (2024).
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