![[https]](http://www.red-ruby.com/wiki/imgs/https.png)
물리학백과: 힐베르트 공간(https://terms.naver.com/entry.naver?docId=4390066&cid=60217&categoryId=60217)수학백과: 힐베르트 공간(https://terms.naver.com/entry.naver?docId=4125517&cid=60207&categoryId=60207)
힐베르트_공간 = https://ko.wikipedia.org/wiki/힐베르트_공간
Hilbert_space = https://en.wikipedia.org/wiki/Hilbert_spacehttps://encyclopediaofmath.org/wiki/Hilbert_space - 7개 조건?성질? 암튼 첨부터 1) 2) .... 7) 까지 나열함. (6개 아님!)
named after David_Hilbert
