Gray's conjecture

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In mathematics, Gray's conjecture is a conjecture made by Brayton Gray in 1984 about maps between loop spaces of spheres.[1] It was later proved by John Harper.[2]

References[edit]

  1. ^ Gray, Brayton (1984). "Unstable families related to the image of J". Mathematical Proceedings of the Cambridge Philosophical Society. 96 (1): 95–113. doi:10.1017/S0305004100061971. ISSN 0305-0041. MR 0743705.
  2. ^ Harper, John R. (1989). "A proof of Gray's conjecture". Algebraic topology (Evanston, IL, 1988). Contempemporary Mathematics. Vol. 96. Providence, Rhode Island: American Mathematical Society. pp. 189–195. MR 1022681.