{"id":"S85031615","label":"Contraction operators","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85031615","normalized_label":"contraction operators","broader":["http://id.loc.gov/authorities/subjects/sh85077178"],"aliases":["Contracting operators","Operators, Contracting","Operators, Contraction"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85031615","provider":"lcsh","revision":"a6ded47accdb38e5","taxonomy_revision":"f050b5d4780b1289","title":"Contraction operators","url":"/topics/S85031615","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126497712095511104","address_version":"morton4x16-v1","coordinates":[0,20,17898,64512],"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}