| ²é¿´: 944 | »Ø¸´: 10 | |||
wangyymm½ð³æ (ÖøÃûдÊÖ)
|
[ÇóÖú]
´úÊýÎÊÌâ ÒÑÓÐ1È˲ÎÓë
|
|
¸÷λ´óϺ,Çë½ÌÏÂÁдúÊýÎÊÌâµÄ½â´ð: bw178h1616154_1417093491_164.png лл!!! [ Last edited by feixiaolin on 2014-11-27 at 21:53 ] |
» ²ÂÄãϲ»¶
085602 307·Ö Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
340Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
085602 »¯¹¤×¨Ë¶ 338·Ö Çóµ÷¼Á
ÒѾÓÐ8È˻ظ´
328Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
Ò»Ö¾Ô¸ Î÷±±´óѧ ×Ü·Ö282 Ó¢ÓïÒ»62 Çóµ÷¼Á
ÒѾÓÐ8È˻ظ´
0703»¯Ñ§
ÒѾÓÐ4È˻ظ´
289Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
291Çóµ÷¼Á
ÒѾÓÐ17È˻ظ´
²ÄÁÏÓ뻯¹¤085600£¬×Ü·Ö304£¬±¾¿ÆÓÐÁ½Æªsci²ÎÓ룬Çóµ÷¼Á
ÒѾÓÐ12È˻ظ´
sskkyy
Òø³æ (ÕýʽдÊÖ)
- ÊýѧEPI: 1
- Ó¦Öú: 180 (¸ßÖÐÉú)
- ½ð±Ò: 1017.9
- É¢½ð: 376
- ºì»¨: 18
- Ìû×Ó: 742
- ÔÚÏß: 245.1Сʱ
- ³æºÅ: 1324155
- ×¢²á: 2011-06-16
- רҵ: ÍØÆËѧ
2Â¥2014-11-28 18:31:32
sskkyy
Òø³æ (ÕýʽдÊÖ)
- ÊýѧEPI: 1
- Ó¦Öú: 180 (¸ßÖÐÉú)
- ½ð±Ò: 1017.9
- É¢½ð: 376
- ºì»¨: 18
- Ìû×Ó: 742
- ÔÚÏß: 245.1Сʱ
- ³æºÅ: 1324155
- ×¢²á: 2011-06-16
- רҵ: ÍØÆËѧ
3Â¥2014-11-28 18:36:59
wangyymm
½ð³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1306.9
- Ìû×Ó: 1017
- ÔÚÏß: 131Сʱ
- ³æºÅ: 1616154
- ×¢²á: 2012-02-14
- ÐÔ±ð: GG
- רҵ: º¯ÊýÂÛ
4Â¥2014-11-28 19:21:05
sskkyy
Òø³æ (ÕýʽдÊÖ)
- ÊýѧEPI: 1
- Ó¦Öú: 180 (¸ßÖÐÉú)
- ½ð±Ò: 1017.9
- É¢½ð: 376
- ºì»¨: 18
- Ìû×Ó: 742
- ÔÚÏß: 245.1Сʱ
- ³æºÅ: 1324155
- ×¢²á: 2011-06-16
- רҵ: ÍØÆËѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
|
²»ºÃÒâ˼£¬ÎÒ¿ÉÄÜÉÏÒ»¸öÌû×ÓÀï»Ø´ð´íÎóÁË¡£Ó¦¸ÃÊÇÈ¡t=\eta(x)¡£Ï£ÍûÏÂÃæµÄ·ÖÎö¶ÔÄãÓÐËù°ïÖú¡£ ÒòΪ\eta(1)=\eta(1*1)=\eta(1)^2, \eta(1)=1 »òÕß0. Èç¹û\eta(1)=0£¬ Ôò\eta(y)=\eta(y*0)=0 ¶ÔÈÎÒâµÄy\in R[x]³ÉÁ¢£¬´ËʱûÓÐtÄÜÂú×ãÒªÇó. Èç¹û\eta(1)=1£¬¶ÔÈÎÒâµÄÕûÊýn, \eta(n)= \eta(1+1+1...+1)= n \eta(1) = n. ÈÎÒâµÄ·ÇÁãb, ÓÐ \eta(n/b)=n \eta(1/b), ¶ø b\eta(1/b)= \eta(1)=1, ËùÒÔ\eta(1/b)=1/b ÒÔ¼° \eta(n/b)=n/b. Õâ¾Í˵ÁËÃ÷ÁË \etaÊÇfixÓÐÀíÊýQµÄ¡£ »ØÒäһϣ¬ÊµÊýÈ«ÌåR¿ÉÒÔ¿´³ÉÓÐÀíÊýQµÄͨ³£¶ÈÁ¿ÏµÄÍ걸»¯£¬Ò²¾ÍÊÇRÓëQÉϵÄÊÕÁ²"µãÁÐ"ÊÇÒ»Ò»¶ÔÓ¦µÄ(ÕâÀïµÄ¡°µãÁС±ÆäʵÊÇÊÕÁ²µãÁеĵȼÛÀ࣬Èç¹ûÁ½¸öÊÕÁ²µãÁÐÓÐÏàͬµÄ¼«ÏÞ£¬ËûÃÇ¿´×öµÈ¼ÛµÄ)¡£ÒòΪ\etaÊÇfixËùÓÐÓÐÀíÊýQ£¬ËùÒÔ\etaÒ²¾ÍfixËùÓÐÓÐÀíÊýÊÕÁ²¡°µãÁС±£¬Ò²¾ÍÊÇ\etaʵ¼ÊÉÏÊÇfixʵÊýRµÄ¡£ÎÒ¹À¼ÆÄãËù˵µÄfÓë\eta¿É½»»»ÊÇÖ¸Õâ¸ö¡£ÄÇôȡt=\eta(x), ¾ÍÓÐÄãÒªµÄ½áÂÛÁË¡£ |
5Â¥2014-11-28 19:58:29
sskkyy
Òø³æ (ÕýʽдÊÖ)
- ÊýѧEPI: 1
- Ó¦Öú: 180 (¸ßÖÐÉú)
- ½ð±Ò: 1017.9
- É¢½ð: 376
- ºì»¨: 18
- Ìû×Ó: 742
- ÔÚÏß: 245.1Сʱ
- ³æºÅ: 1324155
- ×¢²á: 2011-06-16
- רҵ: ÍØÆËѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
wangyymm(feixiaolin´ú·¢): ½ð±Ò+8 2014-11-29 14:19:51
wangyymm(feixiaolin´ú·¢): ½ð±Ò+8 2014-11-29 14:19:51
|
²Î¼û£ºhttp://en.wikipedia.org/wiki/Integral_element Let B be a ring, and let A be a subring of B. Given an element b in B, the following conditions are equivalent: (i) b is integral over A; (ii) the subring A of B generated by A and b is a finitely generated A-module; (iii) there exists a subring C of B containing A and which is a finitely-generated A-module; |
6Â¥2014-11-28 20:05:44
sskkyy
Òø³æ (ÕýʽдÊÖ)
- ÊýѧEPI: 1
- Ó¦Öú: 180 (¸ßÖÐÉú)
- ½ð±Ò: 1017.9
- É¢½ð: 376
- ºì»¨: 18
- Ìû×Ó: 742
- ÔÚÏß: 245.1Сʱ
- ³æºÅ: 1324155
- ×¢²á: 2011-06-16
- רҵ: ÍØÆËѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
wangyymm(feixiaolin´ú·¢): ½ð±Ò+8 2014-11-29 14:20:19
wangyymm(feixiaolin´ú·¢): ½ð±Ò+8 2014-11-29 14:20:19
| 4. ×¢Òâµ½D_n Óиöpresentation ¡¶s,t : t^n=1, s^2=1, sts^-1 = t^-1¡·,ÈÃH=¡¶t¡·±íʾtÉú³ÉµÄ×ÓȺ£¬ÏÔÈ»ÓÐÓÐH=Z/n, ²»ÄÑ¿´³ösÊÇÕý¹æ»¯HµÄ£¬D_n/H =Z/2, £¨Êµ¼ÊÉÏD_nΪZ/n ÓëZ/2µÄ°ëÖ±»ý£©¡£ËùÒÔD_nÓÐÕý¹æÐòÁÐ0<H<D_n, Ϊ¿É½âȺ¡£ |
7Â¥2014-11-28 20:16:04
wangyymm
½ð³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1306.9
- Ìû×Ó: 1017
- ÔÚÏß: 131Сʱ
- ³æºÅ: 1616154
- ×¢²á: 2012-02-14
- ÐÔ±ð: GG
- רҵ: º¯ÊýÂÛ
8Â¥2014-12-05 09:35:56
sskkyy
Òø³æ (ÕýʽдÊÖ)
- ÊýѧEPI: 1
- Ó¦Öú: 180 (¸ßÖÐÉú)
- ½ð±Ò: 1017.9
- É¢½ð: 376
- ºì»¨: 18
- Ìû×Ó: 742
- ÔÚÏß: 245.1Сʱ
- ³æºÅ: 1324155
- ×¢²á: 2011-06-16
- רҵ: ÍØÆËѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
|
http://muchong.com/bbs/viewthread.php?tid=8218262 Äã×Ô¼º·¢µÄMacDonaldÄDZ¾½»»»´úÊýµÄÊéÀïÃæÓУ¬Äã¿ÉÒÔÈ¥²é²é¡£ |
9Â¥2014-12-06 14:46:48
wangyymm
½ð³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1306.9
- Ìû×Ó: 1017
- ÔÚÏß: 131Сʱ
- ³æºÅ: 1616154
- ×¢²á: 2012-02-14
- ÐÔ±ð: GG
- רҵ: º¯ÊýÂÛ
10Â¥2014-12-07 20:41:49














»Ø¸´´ËÂ¥