{"paper":{"title":"Evaluating backreaction with the peak model of structure formation","arxiv_id":"0801.2692","primary_cat":"astro-ph","submitted_at":"2008-01-17T20:18:22+00:00","version_compiled":"v3"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13-20260917 on the question bank abstract-p1-20260923, exactly as returned. 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