The satellite conjecture for pro-homotopy

Let XX be a space, let NORM(X)NORM(X) be the site of normal coverings of XX, and let OPEN(X)OPEN(X) be the standard site. Let SS be a set, write S#S_{\#} for the associated constant cosheaf, and write pro\relax\protect\ifmmode\expandafter\text@\else\expandafter\text\fi{-}{\Greekmath 0119}_n(X) for pro-homotopy. The satellite conjecture for pro-homotopy. On NORM(X)NORM(X), the non-abelian left satellites of H0H_0 are naturally isomorphic to pro-homotopy:

H_n(X,S_{\#})=H_n(X,S\times pro\relax\protect\ifmmode\expandafter\text@\else\expandafter\text\fi{-}{\Greekmath 0119}_0)\simeq S\times pro\relax\protect\ifmmode\expandafter\text@\else\expandafter\text\fi{-}{\Greekmath 0119}_n(X), H_n(X,(\mathbf{pt})_{\#})=H_n(X,pro\relax\protect\ifmmode\expandafter\text@\else\expandafter\text\fi{-}{\Greekmath 0119}_0)\simeq pro\relax\protect\ifmmode\expandafter\text@\else\expandafter\text\fi{-}{\Greekmath 0119}_n(X).

If XX is Hausdorff paracompact, the same isomorphisms should also exist for OPEN(X)OPEN(X). This is proposed as a connection between non-abelian cosheaf homology and shape theory; its resolution is not specified in the source.

Sources & referencesView supporting material

Primary source

Andrei V. Prasolov, “Cosheafification”, arXiv:1605.01555 (2016).

Additional references

2 papers in this index state this conjecture (2011–2016). The statement above is taken from the most recent of them; the others are arXiv:1105.3167.

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