{"id":"S2011005903","label":"Laplacian matrices","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2011005903","normalized_label":"laplacian matrices","broader":["http://id.loc.gov/authorities/subjects/sh85056471","http://id.loc.gov/authorities/subjects/sh85082210"],"aliases":["Admittance matrices","Kirchhoff matrices"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2011005903","provider":"lcsh","revision":"c4d32291ece12a84","taxonomy_revision":"f050b5d4780b1289","title":"Laplacian matrices","url":"/topics/S2011005903","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"345805487066998374","address_version":"morton4x16-v1","coordinates":[0,479,30223,15360],"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}