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作者 WINDHEAD 在 PTT [ Physics ] 看板的留言(推文), 共253則

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Re: [問題] 量子力學問題

[ Physics ]10 留言, 推噓總分: +6

作者: zweisteine - 發表於 2008/09/23 16:06(17年前)

8^F推WINDHEAD:我可以接受1+2+..=-1/12呀09/23 22:17

9^F→WINDHEAD:其實delta function在哪個Hilber space根本不是這串文09/23 22:29

10^F→WINDHEAD:的重點吧~~ 知道那個也沒啥用09/23 22:36

Re: [閒聊] 與「神靈對話」的科學研究

[ Physics ]5 留言, 推噓總分: +5

作者: breedy - 發表於 2008/07/28 01:42(17年前)

5^F推WINDHEAD:李嗣涔是吧07/29 18:30

Re: [新聞] 諾貝爾獎得主:有穩固學科基礎再探索自我

[ Physics ]4 留言, 推噓總分: +2

作者: waytin - 發表於 2008/06/26 12:10(17年前)

2^F→WINDHEAD:暗示大家去念固物?06/26 15:17

[問題] trace到底在物理上是甚麼意思

[ Physics ]3 留言, 推噓總分: +1

作者: uscn - 發表於 2008/04/28 12:51(18年前)

1^F→WINDHEAD:trace和det是同一件事 : e^(tr) = det(e^)04/28 15:09

Re: [轉錄]Re: 1+2+4+8+16.......= -1 怎麼證明?

[ Physics ]16 留言, 推噓總分: +5

作者: breedy - 發表於 2008/02/23 23:29(18年前)

1^F推WINDHEAD:雖然看不懂還是推一下02/23 23:57

2^F→WINDHEAD:有一種moduli space的Euler characteristic02/23 23:57

3^F→WINDHEAD:恰巧也是 -1/12 這應該不只是個巧合吧...02/23 23:58

5^F→WINDHEAD:這這...我也不懂阿...02/24 00:24

6^F→WINDHEAD:最近暫時無法專心於這些...可能過幾年才能說得清楚02/24 00:24

7^F→WINDHEAD:真是掃興了對不起　　還是請高手來補充吧02/24 00:25

9^F推WINDHEAD:或可參考Baez的homotopy cardinality 很詭02/25 00:31

[轉錄]Re: 1+2+4+8+16.......= -1 怎麼證明?

[ Physics ]66 留言, 推噓總分: +33

作者: breedy - 發表於 2008/02/22 12:21(18年前)

3^F→WINDHEAD:有收斂阿不在實數裡面而已02/20 23:54

5^F→WINDHEAD:在實數裡面不可以02/20 23:56

8^F→WINDHEAD:在實數裡面不收斂02/21 00:05

16^F→WINDHEAD:回CMJ...這個不知道也沒關係啦02/21 01:31

[公告]pleasetoyou請認真發言

[ Physics ]10 留言, 推噓總分: +6

作者: breedy - 發表於 2008/02/21 12:19(18年前)

9^F→WINDHEAD:超期待Linderman大大的宏觀文02/21 19:25

Re: [學習] 一點心得

[ Physics ]140 留言, 推噓總分: +1

作者: Linderman - 發表於 2008/01/20 12:04(18年前)

1^F→WINDHEAD:還是不懂....m=.=m01/20 12:32

Re: [學習] 一點心得

[ Physics ]53 留言, 推噓總分: +7

作者: WINDHEAD - 發表於 2008/01/20 10:49(18年前)

2^F→WINDHEAD:全部都不懂啦 ><01/20 10:53

13^F→WINDHEAD:可是...還是不懂....#o#01/20 11:02

Re: [問題] 學會量力是一種天份嗎XD

[ Physics ]5 留言, 推噓總分: +2

作者: motoman - 發表於 2007/12/20 20:52(18年前)

2^F推WINDHEAD:推.12/20 21:46

3^F→WINDHEAD:可以推廣到無窮維....這個時候的"本徵值"展開就變成12/20 21:46

4^F→WINDHEAD:算子的spec decomposition,以spec measure的積分表示12/20 21:47

5^F→WINDHEAD:spectral measure類似proj的無窮維版本12/20 21:50

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