Coarse Whitehead conjecture for spaces with finitely many ends
Let and be compact metric spaces with finite shape dimension, let be a coarse map, and suppose that has ends. Choose whose images under represent these ends. Assume that, for every and every , the induced map is an isomorphism. Finite-ended coarse Whitehead conjecture. There is an such that induces an isomorphism
for all and all chosen . If additionally induces an isomorphism on the ends of and , then is a coarse homotopy equivalence. This is proposed as an extension of coarse Whitehead from connected spaces to spaces whose model has finitely many ends.
References
Primary source
Felix Lange, “Coarse Homotopy Theory and Shape Theory”, arXiv:2606.14212 (2026).
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