{"id":"S2010014118","label":"Pontrjagin duality","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2010014118","normalized_label":"pontrjagin duality","broader":["http://id.loc.gov/authorities/subjects/sh85039851"],"aliases":["Pontryagin duality"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2010014118","provider":"lcsh","revision":"a8c44ff34dafbda7","taxonomy_revision":"f050b5d4780b1289","title":"Pontrjagin duality","url":"/topics/S2010014118","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9244975268731430498","address_version":"morton4x16-v1","coordinates":[0,479,14726,38912],"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}