{"paper":{"title":"A Hamiltonian $\\coprod\\limits_n BO(n)$-action, stratified Morse theory and the $J$-homomorphism","arxiv_id":"1902.06708","primary_cat":"math.SG","submitted_at":"2019-02-18T18:24:50+00:00","version_compiled":"v8"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13.0 on the question bank abstract-p1-20260923, exactly as returned. 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