±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1429  |  »Ø¸´: 3

hlx313145

Òø³æ (СÓÐÃûÆø)

[ÇóÖú] Ò»µ©¹ØÓÚ»ù±¾ÈºÍ¬Ì¬µÄÎÊÌâ

Çó´óÉñ°ï°ïµÚ9ÌâÔõô×ö£¿¸½Ìâ¡£¡£¡£  
Çë¾ÙÀý˵Ã÷Á¬ÐøµÄµ¥Ç¶ÈëÉäf:Aµ½xÓÕµ¼µÄ»ù±¾ÈºÍ¬Ì¬Î´±ØÊǵ¥Í¬Ì¬¡£Á¬ÐøµÄÂúǶÈëÉäf:Aµ½XÓÕµ¼µÄ»ù±¾ÈºÍ¬Ì¬Î´±ØÊÇÂú̬ͬ£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ºÃºÃÀûÓÃ×ÊÔ´£¬ÕùȡʵÏÖ......
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

http://www.cs.duke.edu/courses/f ... ctures/sec-II-2.pdf

page34 ÓÐÒ»°ëµÄÀý×Ó(µ¥·Çµ¥)

ÄãÈç·¨ÅÚÖÆ, ¿ÉµÃµ½Âú·ÇÂúµÄÀý×Ó.
We_must_know. We_will_know.
2Â¥2015-01-16 09:10:57
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
hlx313145(feixiaolin´ú·¢): ½ð±Ò+10 2015-01-17 15:47:44
ÒýÓûØÌû:
2Â¥: Originally posted by hank612 at 2015-01-16 09:10:57
http://www.cs.duke.edu/courses/fall06/cps296.1/Lectures/sec-II-2.pdf

page34 ÓÐÒ»°ëµÄÀý×Ó(µ¥·Çµ¥)

ÄãÈç·¨ÅÚÖÆ, ¿ÉµÃµ½Âú·ÇÂúµÄÀý×Ó.

http://en.wikipedia.org/wiki/Fundamental_group
"Real projective space" ²¿·Ö.

Æ©Èç ¶þÖØ¸²¸ÇÓ³Éä, »òÕß S^n --> P^n.

¿ÉÊÇ, ²»¿ÉÄÜÂú̬ͬ.
We_must_know. We_will_know.
3Â¥2015-01-16 09:19:52
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

crazyboy3333

гæ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by hank612 at 2015-01-16 09:10:57
http://www.cs.duke.edu/courses/fall06/cps296.1/Lectures/sec-II-2.pdf

page34 ÓÐÒ»°ëµÄÀý×Ó(µ¥·Çµ¥)

ÄãÈç·¨ÅÚÖÆ, ¿ÉµÃµ½Âú·ÇÂúµÄÀý×Ó.

´óÉñ£¬ÄãΪºÎÈç´ËÁ÷±×
4Â¥2015-01-16 11:16:44
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ hlx313145 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 317Çóµ÷¼Á +6 µ°»ÆÏÌÈâôÕ 2026-03-26 6/300 2026-03-27 00:22 by wxiongid
[¿¼ÑÐ] 286Çóµ÷¼Á +3 lim0922 2026-03-26 3/150 2026-03-26 23:07 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 266·ÖÇó²ÄÁÏ»¯¹¤Ò±½ð¿óÒµµÈרҵµÄµ÷¼Á +3 ÍÛºôºßºôºß 2026-03-26 3/150 2026-03-26 19:16 by JourneyLucky
[¿¼ÑÐ] ѧ˶274Çóµ÷¼Á +3 LiÀîÓã 2026-03-26 3/150 2026-03-26 18:32 by Ìá³ö·½·¨µÄÌá³öº
[¿¼ÑÐ] 352Çóµ÷¼Á +4 ´óÃ×·¹£¡ 2026-03-22 4/200 2026-03-26 16:40 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 292Çóµ÷¼Á +9 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 10/500 2026-03-26 16:27 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ339²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +3 ½­ÍùÂôÓã 2026-03-26 3/150 2026-03-26 09:42 by ÍõСǷi
[¿¼ÑÐ] ²ÄÁÏר˶ 335 ·ÖÇóµ÷¼Á +4 ¾Ü¾øÀ䱩Á¦ 2026-03-25 4/200 2026-03-25 18:45 by haxia
[¿¼ÑÐ] 26¿¼ÑÐ-291·Ö-ÏÃÃÅ´óѧ£¨085601£©-ÈáÐÔµç×ÓѧԺ²ÄÁϹ¤³ÌרҵÇóµ÷¼Á +3 min3 2026-03-24 4/200 2026-03-25 18:22 by xcjcqu
[¿¼ÑÐ] ÍøÂç¿Õ¼ä°²È«0839Õе÷¼Á +4 w320357296 2026-03-25 6/300 2026-03-25 17:59 by 255671
[¿¼ÑÐ] 0854AI CV·½ÏòÕÐÊÕµ÷¼Á +4 ÕÂСÓã567 2026-03-23 4/200 2026-03-25 17:04 by CoderLoser
[¿¼ÑÐ] 359Çóµ÷¼Á +3 ÍõÁ˸öéª 2026-03-25 3/150 2026-03-25 12:50 by Dyhoer
[¿¼ÑÐ] 0854µç×ÓÐÅÏ¢Çóµ÷¼Á 324 +4 Promise-jyl 2026-03-23 4/200 2026-03-25 11:36 by Sugarlight
[¿¼ÑÐ] ÉúÎïѧѧ˶Çóµ÷¼Á +7 СÑò˯×ÅÁË? 2026-03-23 10/500 2026-03-25 02:24 by Çå·ç·÷Ñï¡£ m
[¿¼ÑÐ] ²ÄÁÏѧÇóµ÷¼Á +6 Stella_Yao 2026-03-20 6/300 2026-03-25 00:37 by baoball
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çóµ¼Ê¦ÊÕ +7 ÌìÌìºÃÔËÀ´Éϰ¶° 2026-03-24 7/350 2026-03-24 20:26 by peike
[¿¼ÑÐ] 291Çóµ÷¼Á +3 HanBeiNingZC 2026-03-24 3/150 2026-03-24 16:34 by barlinike
[¿¼ÑÐ] 361Çóµ÷¼Á +3 Glack 2026-03-22 3/150 2026-03-23 22:03 by fuyu_
[¿¼ÑÐ] ÇóÀÏʦÊÕÎÒ +3 zzh16938784 2026-03-23 3/150 2026-03-23 12:56 by ztnimte
[¿¼ÑÐ] 269ר˶Çóµ÷¼Á +6 ½ð¶÷±´ 2026-03-21 6/300 2026-03-22 14:31 by ColorlessPI
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û