{"id":"S2002004426","label":"Root systems (Algebra)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2002004426","normalized_label":"root systems (algebra)","broader":["http://id.loc.gov/authorities/subjects/sh85076782"],"aliases":["Systems of roots (Algebra)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002004426","provider":"lcsh","revision":"a1304f1f9bed2173","taxonomy_revision":"f050b5d4780b1289","title":"Root systems (Algebra)","url":"/topics/S2002004426","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"325525820804310598","address_version":"morton4x16-v1","coordinates":[0,477,20647,10240],"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}