{"id":"S85054147","label":"Projective differential geometry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85054147","normalized_label":"projective differential geometry","broader":["http://id.loc.gov/authorities/subjects/sh85054146","http://id.loc.gov/authorities/subjects/sh85054157"],"aliases":["Geometry, Differential--Projective"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85054147","provider":"lcsh","revision":"6992dae5d4a5719f","taxonomy_revision":"f050b5d4780b1289","title":"Projective differential geometry","url":"/topics/S85054147","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288384599904633412","address_version":"morton4x16-v1","coordinates":[0,20,18251,3072],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}