Preimage-of-a-cycle conjecture for PL maps in strong general position

Let c,n,dc,n,d be non-negative integers such that c<dc<d. Let CC be a cc-chain in d53ddd53d^d, let NN be an nn-dimensional closed PL manifold, and let f:N\tod53ddCf:N\tod53d^d-\partial C be a PL map in strong general position with respect to CC. Preimage-of-a-cycle conjecture. The preimage f1Cf^{-1}C is the support of a (c+nd)(c+n-d)-cycle in TN\subsetd53dm|T_N|\subsetd53d^m. This asserts that transverse preimages of chains without boundary inherit a cycle structure; the supplied material does not indicate whether the claim has been proved or refuted.

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Primary source

Emil Alkin, “Hardness of almost embedding simplicial complexes in R^d, II”, arXiv:2206.13486 (2022).

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