{"id":"S2009002992","label":"Tropical geometry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009002992","normalized_label":"tropical geometry","broader":["http://id.loc.gov/authorities/subjects/sh85054140"],"aliases":["Geometry, Tropical"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009002992","provider":"lcsh","revision":"4ee83880f0afbc00","taxonomy_revision":"f050b5d4780b1289","title":"Tropical geometry","url":"/topics/S2009002992","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14718960153256945252","address_version":"morton4x16-v1","coordinates":[0,478,64463,49152],"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}