[{"id":"P6438","articles":[],"created":"2026-04-08T21:55:19.830Z","description":"topological invariant of a space; the alternating sum of the dimensions of the (co)homology of a space","externalLinks":{},"name":{"name":"Euler characteristic","label":"Euler characteristic","prefLabel":"Euler characteristic"},"record_type":"entity","statements":{"P3254":[{"id":"P6438-70BB4B48-2BCB-4CF6-989D-50CC777B6573","stmts":[{"p":"P3254","o":"https://www.wikidata.org/wiki/Wikidata:Property_proposal/euler_characteristic"}]}],"P1629":[{"id":"P6438-96E47185-CF18-4348-AFF4-41ECD9B3EA84","stmts":[{"p":"P1629","o":"Q852973"}]}],"P2302":[{"id":"P6438-DB532878-FD1D-4055-8D38-40F91F68A070","stmts":[{"p":"P2302","o":"Q21503250"}],"quals":[{"p":"P2309","o":"Q30208840"},{"p":"P2308","o":"Q179899"}]},{"id":"P6438-d20f7ab7-4209-939c-66a9-f95f1de3e6d8","stmts":[{"p":"P2302","o":"Q21514353"}]}],"P31":[{"id":"P6438-E9400B97-B4DF-4CED-BFE0-BB5FB7D792DD","stmts":[{"p":"P31","o":"Q22988631"}]}],"P1855":[{"id":"P6438-04D63B7B-6BC4-4026-90AA-8B7113AEAE9F","stmts":[{"p":"P1855","o":"Q12507"}],"quals":[{"p":"P6438","o":"+2"}],"qvals":[{"p":"P6438","o":"45430454bd0f3bc0d9093c52b6acfc2b"}]},{"id":"P6438-AEB1E72C-166A-4D4D-8D4C-F741569183B4","stmts":[{"p":"P1855","o":"Q1234054"}],"quals":[{"p":"P6438","o":"-6"}],"qvals":[{"p":"P6438","o":"9b10aeeab3b1f38394002d459956d9a0"}]},{"id":"P6438-65AEA8AD-7379-4A2E-8266-BBE8B2FB27A5","stmts":[{"p":"P1855","o":"Q12510"}],"quals":[{"p":"P6438","o":"+0"}],"qvals":[{"p":"P6438","o":"67a17c05603b9e75b6c25826fa747705"}]},{"id":"P6438-CEB0A494-3ABA-4E29-8FAF-D90A3EEE9F40","stmts":[{"p":"P1855","o":"Q633815"}],"quals":[{"p":"P6438","o":"+1"}],"qvals":[{"p":"P6438","o":"1c9e02c1631d3fd5ec9a9fe9aa1fde65"}]}],"P2875":[{"id":"P6438-D0E52122-E678-4F91-B4F4-031C77B2DEA8","stmts":[{"p":"P2875","o":"Q106596192"}]}],"P6104":[{"id":"P6438-F6290733-D96F-4842-A754-08B229EEBDBA","stmts":[{"p":"P6104","o":"Q8487137"}]}]},"values":{"45430454bd0f3bc0d9093c52b6acfc2b":{"type":"QuantityValue","val":2,"unit":"Q199"},"9b10aeeab3b1f38394002d459956d9a0":{"type":"QuantityValue","val":-6,"unit":"Q199"},"67a17c05603b9e75b6c25826fa747705":{"type":"QuantityValue","val":0,"unit":"Q199"},"1c9e02c1631d3fd5ec9a9fe9aa1fde65":{"type":"QuantityValue","val":1,"unit":"Q199"}}}]