±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 492  |  »Ø¸´: 2
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

haixing2008

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

[½»Á÷] ¡¾·ÖÏí¡¿Êýѧ×ÊÁÏ¿â

·ÖÏíÒ»¸öÓÐÓõÄÂÛ̳
Êýѧ×ÊÁÏ¿â
http://www.mathdb.org/mainpage/c_index.php
ÿÌìµãµã£¬»ýС³É¶à£¡
Ï£Íû¶Ô´ó¼ÒÓÐÓã¡

½ñÌìÊÇ 2009 Äê 10 Ô 15 ÈÕ¡£

1. ÔÚ 1990 ÄêµÄ½ñÌ죬”µŒW¼Ò Wilhelm Magnus ÊÅÊÀ¡£ËûÑо¿´ú”µ£¬ÌØ„eÊÇ×ÔÓÉȺՓ¡£ËûŒ¦ß@Ì×ÀíÕ“µÄÆäÖÐÒ»‚€Ø•«IÊǽo³öÁËһЩÅc×Ô¼ºµÄÕæÉÌȺ (proper quotient group) ͬ˜‹µÄÓÐÏÞ±íʾȺ (finitely presented group) µÄÀý×Ó¡£
»Ø¸´´ËÂ¥
ƽƽµ­µ­²ÅÊÇÕæ£¡
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

formleaf

ľ³æ (ÕýʽдÊÖ)

¡ï ¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
haixing2008(½ð±Ò+2,VIP+0):ÓÐµã¿ÆÆÕÐÔÖÊ£¬ºÇºÇ£¡ 12-2 17:16
ÎÒ¿´ÁËÏ£¬ÊÇ·±Ìå°æµÄ£¬²»¹ýÄÜ¿´¶®£¬±È½Ï³õµÈµÄ¡£
2Â¥2009-10-17 13:07:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bin_he1986

гæ (³õÈëÎÄ̳)

¡ï
haixing2008(½ð±Ò+1,VIP+0):¹ÄÀøÐ³棡 12-2 17:17
ºÃ¶«¶«£¬¶¥Æð
3Â¥2009-10-17 21:03:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ haixing2008 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 304Çóµ÷¼Á +12 ËØÄê¼ÀÓï 2026-03-31 15/750 2026-04-01 22:41 by peike
[¿¼ÑÐ] 279Çóµ÷¼Á +7 Īxiao 2026-04-01 7/350 2026-04-01 22:05 by ¿Í¶ûÃÀµÂ
[¿¼ÑÐ] 261Çóµ÷¼Á +3 Ã÷×С¤ 2026-04-01 3/150 2026-04-01 20:52 by cq2548
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358 +7 cs0106 2026-04-01 8/400 2026-04-01 18:34 by ¼Çʱ¾2026
[¿¼ÑÐ] µ÷¼ÁÍÆ¼ö +9 Ç徯714 2026-03-26 10/500 2026-04-01 16:25 by yanflower7133
[¿¼ÑÐ] Ó¢Ò»Êý¶þÉúÎïÐÅϢѧ287·Ö£¬±¾¿ÆÉúÎï¿ÆÑ§£¬Çóµ÷¼Á +3 ±ÌË®xyz 2026-03-29 4/200 2026-04-01 15:35 by plum
[¿¼ÑÐ] 0855»úе³õÊÔ280Çóµ÷¼Á +3 kazenotori 2026-03-31 3/150 2026-04-01 10:08 by JourneyLucky
[¿¼ÑÐ] 0856µ÷¼Á +7 ÇúÌýóÞ 2026-03-30 7/350 2026-04-01 08:51 by JourneyLucky
[¿¼ÑÐ] 070300»¯Ñ§×¨Òµ279µ÷¼Á +10 ¹þ¹þ¹þ^_^ 2026-03-31 10/500 2026-03-31 23:13 by liu823948201
[¿¼ÑÐ] 315Çóµ÷¼Á +6 akie... 2026-03-28 7/350 2026-03-31 16:48 by asdfzly
[¿¼ÑÐ] 277¹òÇóµ÷¼Á +8 1915668 2026-03-27 13/650 2026-03-31 14:58 by ÍõÁÁ_´óÁ¬Ò½¿Æ´ó
[¿¼ÑÐ] ±¾¿Æ211×Ü·Ö289£¬08¹¤Ñ§ÕæÐÄÇóµ÷¼Á +3 utopiaE 2026-03-30 3/150 2026-03-30 23:42 by ms629
[¿¼ÑÐ] 297 µØÀíѧ070500 ¸´ÊÔÇóµ÷¼Á +3 СԲȦȦooo 2026-03-30 3/150 2026-03-30 21:05 by ÓàÕðyz
[¿¼ÑÐ] 085701Çóµ÷¼Á³õÊÔ286·Ö +5 secret0328 2026-03-28 5/250 2026-03-30 12:54 by fangnagu
[¿¼ÑÐ] 332Çó92µ÷¼Á +8 ½¶½¶123 2026-03-28 8/400 2026-03-29 10:46 by ÖÜè÷µ¤
[¿¼ÑÐ] µ÷¼Á¿¼ÑÐ +3 Íõ½ÜÒ» 2026-03-29 3/150 2026-03-29 08:09 by fmesaito
[˶²©¼ÒÔ°] ÕÐÊÕÉúÎïѧ/ϸ°ûÉúÎïѧµ÷¼Á +4 IceGuo 2026-03-26 5/250 2026-03-29 01:25 by griffith2014
[¿¼ÑÐ] 315·ÖÇóµ÷¼Á +7 26¿¼ÑÐÉϰ¶°æ26 2026-03-26 7/350 2026-03-28 04:05 by fmesaito
[¿¼ÑÐ] µ÷¼Á +3 Àî¼Îͼ¡¤S¡¤Â· 2026-03-27 3/150 2026-03-27 11:19 by wangjy2002
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ÇóÇóÁËÊÕÏÂÎÒ°É£ 2026-03-26 4/200 2026-03-27 10:37 by zhshch
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û