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KNOTTED 2-SPHERES IN TUBES IN Z4

    https://doi.org/10.1142/S0218216512501167Cited by:5 (Source: Crossref)

    We prove a pattern theorem for 2-spheres in tubes in Z4 and use this to prove that all except exponentially few 2-spheres in a tube in Z4 are knotted. We sketch how the argument can be applied to prove the same result for p-spheres in a tube in Zp+2, p > 2.

    AMSC: 57Q45, 05A16, 82B41