{"paper":{"title":"New Variables for Classical and Quantum Gravity in all Dimensions IV. Matter Coupling","arxiv_id":"1105.3706","primary_cat":"gr-qc","submitted_at":"2011-05-18T18:25:06+00:00","version_compiled":"v2"},"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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