{"topic":{"id":7234,"title":"建一个抽代讨论楼","slug":"topic","userId":30,"categoryId":54,"createdAt":"2023-11-14 15:01:00.887514","bumpedAt":"2024-04-02 13:24:02.134804","views":629,"postsCount":23,"highestPostNumber":29,"likeCount":3,"closed":false,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"欢迎大家一起在此楼 Q&A","deletedAt":null,"isAnonymous":false,"isPrivate":false,"isMembersOnly":false,"category":{"id":54,"name":"学术专区","slug":"academic","color":"9EB83B"},"author":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg"},"realAuthor":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg"},"tags":["study","math"]},"posts":[{"id":17096,"postNumber":1,"raw":"欢迎大家一起在此楼 Q&A","cooked":"

欢迎大家一起在此楼 Q&A

\n","createdAt":"2023-11-14 15:01:00.965144","updatedAt":"2023-11-20 09:33:10.888706","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":10,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":2,"publicVersion":2,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17097,"postNumber":2,"raw":"![image|690x370](/uploads/image/a9/bd/a9bdfbc31529c1276b033486decda9df174d4c5c644999f9e3db006ea3734c35.avif)\n问题：\n（1）证明中第二行的\n![image|504x45](/uploads/image/67/b6/67b681ea202b76801634f590d5a813d834d1c81f3e62452d0b4011f7024831cd.avif)\n是为什么\n（2）证明中最后一行的\n![image|570x61](/uploads/image/c4/b0/c4b04c457eb505bb48768f02c13b6a2c060ae29227682d8102b2aa390755288f.avif)\n是为什么","cooked":"

$\"image\"$
\n问题：
\n（1）证明中第二行的
\n $\"image\"$
\n是为什么
\n（2）证明中最后一行的
\n $\"image\"$
\n是为什么

\n","createdAt":"2023-11-14 15:06:50.055226","updatedAt":"2023-11-14 15:19:50.181834","replyToPostNumber":null,"replyCount":1,"likeCount":0,"wordCount":31,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":2,"publicVersion":2,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17098,"postNumber":3,"raw":"群、环、域的应用能给些例子吗，过于抽象了。","cooked":"

群、环、域的应用能给些例子吗，过于抽象了。

\n","createdAt":"2023-11-14 15:07:23.830886","updatedAt":"2024-10-25 11:18:52.489365","replyToPostNumber":null,"replyCount":2,"likeCount":0,"wordCount":21,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":6205,"username":"uika_winwing","name":null,"avatarUrl":"/uploads/image/76/3b/763b1e5ad8a424c4450bb26cea5ae532e7b1cd9da926ac5d99215d7123bf6002.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":17099,"postNumber":4,"raw":"我也不会哦，这学期才学。数论里有好多例子","cooked":"

我也不会哦，这学期才学。数论里有好多例子

\n","createdAt":"2023-11-14 15:08:08.308237","updatedAt":"2023-11-14 15:08:08.308237","replyToPostNumber":3,"replyCount":0,"likeCount":0,"wordCount":20,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"🥺️","count":1,"users":[{"id":431,"username":"anon10589529","name":null}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17101,"postNumber":5,"raw":"一个常见应用是三维刚体运动可以用李群表示，在机器人，图形学中很常见","cooked":"

一个常见应用是三维刚体运动可以用李群表示，在机器人，图形学中很常见

\n","createdAt":"2023-11-14 15:16:34.842528","updatedAt":"2023-11-14 15:16:34.842528","replyToPostNumber":3,"replyCount":0,"likeCount":3,"wordCount":33,"liked":false,"bookmarked":false,"polls":[],"reactions":[{"reaction":"😸️","count":1,"users":[{"id":1288,"username":"LittleWangInShanghai","name":"小王在上海"}],"hasReacted":false},{"reaction":"plus1","count":1,"users":[{"id":1381,"username":"greyishsong","name":"greyishsong"}],"hasReacted":false},{"reaction":"❤️","count":3,"users":[{"id":307,"username":"Fast","name":null},{"id":3273,"username":"anon18815924","name":null},{"id":6205,"username":"uika_winwing","name":null}],"hasReacted":false}],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":464,"username":"wxystudio","name":"studio","avatarUrl":null,"admin":false,"moderator":true,"signatureRaw":null,"signatureCooked":null}},{"id":17103,"postNumber":6,"raw":"[grid mode=\"tile\"]\n![image|625x500](/uploads/image/1b/cb/1bcb58049aded4fef0e7a25ba57cb22358d25994c97a4459947bf8e685c9d66d.avif)\n\n\n![image|690x58](/uploads/image/4b/76/4b76f23a24bb10d093f07984bd2f88f06c0ea12ba7e8898261cf9d991d53c3be.avif)\n[/grid] 刚刚头脑不是很清醒 :cry:总算是解决了，睡觉 :sleeping: :person_in_bed:","cooked":"

$\"image\"$

刚刚头脑不是很清醒 😢总算是解决了，睡觉 😴 🛌

\n","createdAt":"2023-11-14 15:20:11.021047","updatedAt":"2023-11-19 15:21:35.583545","replyToPostNumber":2,"replyCount":0,"likeCount":0,"wordCount":26,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":5,"publicVersion":5,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17163,"postNumber":7,"raw":"数学问题可以去超理看看（这里可以引流吗？）","cooked":"

数学问题可以去超理看看（这里可以引流吗？）

\n","createdAt":"2023-11-15 11:08:06.842304","updatedAt":"2023-11-15 11:08:06.842304","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":20,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1929,"username":"Quit","name":"Qwen","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":"--.-..-....-..----.","signatureCooked":"

--.-..-....-..----.

\n"}},{"id":17353,"postNumber":8,"raw":"马上结课了，好慌，，，","cooked":"

马上结课了，好慌，，，

\n","createdAt":"2023-11-17 12:41:00.163754","updatedAt":"2023-11-17 12:41:00.163754","replyToPostNumber":null,"replyCount":2,"likeCount":0,"wordCount":9,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":521,"username":"Danny","name":null,"avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":17354,"postNumber":9,"raw":"数学类是这样的","cooked":"

数学类是这样的

\n","createdAt":"2023-11-17 12:52:52.961571","updatedAt":"2023-11-17 12:52:52.961571","replyToPostNumber":8,"replyCount":0,"likeCount":0,"wordCount":7,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17356,"postNumber":11,"raw":"你们也是丘维声吗？","cooked":"

你们也是丘维声吗？

\n","createdAt":"2023-11-17 13:01:43.645608","updatedAt":"2023-11-17 13:01:43.645608","replyToPostNumber":8,"replyCount":1,"likeCount":0,"wordCount":9,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17357,"postNumber":12,"raw":"我们更抽象，是聂灵沼的《代数学引论》，对我十分不友好，，","cooked":"

我们更抽象，是聂灵沼的《代数学引论》，对我十分不友好，，

\n","createdAt":"2023-11-17 13:06:47.297902","updatedAt":"2023-11-17 13:06:47.297902","replyToPostNumber":11,"replyCount":1,"likeCount":0,"wordCount":26,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":521,"username":"Danny","name":null,"avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":17367,"postNumber":17,"raw":"感觉丘维声也不太行","cooked":"

感觉丘维声也不太行

\n","createdAt":"2023-11-17 15:07:14.870784","updatedAt":"2023-11-17 15:07:14.870784","replyToPostNumber":12,"replyCount":1,"likeCount":0,"wordCount":9,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17379,"postNumber":18,"raw":"带带我 :pleading:","cooked":"

带带我 🥺

\n","createdAt":"2023-11-17 16:23:00.584411","updatedAt":"2023-11-17 16:23:00.584411","replyToPostNumber":17,"replyCount":1,"likeCount":0,"wordCount":4,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":521,"username":"Danny","name":null,"avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":17380,"postNumber":19,"raw":"我也不太行😭最近有点摆，进度缓慢","cooked":"

我也不太行😭最近有点摆，进度缓慢

\n","createdAt":"2023-11-17 16:37:11.786163","updatedAt":"2023-11-17 16:37:11.786163","replyToPostNumber":18,"replyCount":1,"likeCount":0,"wordCount":16,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17387,"postNumber":20,"raw":"起来看书 :thought_balloon: :bomb:","cooked":"

起来看书 💭 💣️

\n","createdAt":"2023-11-18 03:05:55.628634","updatedAt":"2023-11-18 03:05:55.628634","replyToPostNumber":19,"replyCount":1,"likeCount":0,"wordCount":6,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":521,"username":"Danny","name":null,"avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":17396,"postNumber":21,"raw":"已困晕😵","cooked":"

已困晕😵

\n","createdAt":"2023-11-18 05:48:56.688224","updatedAt":"2023-11-18 05:48:56.688224","replyToPostNumber":20,"replyCount":0,"likeCount":0,"wordCount":4,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17399,"postNumber":22,"raw":"只能说当时上完抽代就知道肯定不是学代数的料了","cooked":"

只能说当时上完抽代就知道肯定不是学代数的料了

\n","createdAt":"2023-11-18 06:15:13.600501","updatedAt":"2023-11-18 06:15:13.600501","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":22,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1457,"username":"cjc","name":"cjc","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":17543,"postNumber":23,"raw":"[grid mode=\"tile\"]\n![image|690x77](/uploads/image/06/32/0632129bc0f66bd4cdcd6492236142fdb9f82b39a86d832fa2e2b7e9f77abcf1.avif)\n![image|690x118](/uploads/image/26/76/26768b0c6d09566e8de68940c0b4702da1f001da9a8eafd4cd3cc6e631eb380d.avif)\n[/grid]\n第三行，因为 Ip*是域（Ip*就是 Zp*），则 S 是循环群是为什么？","cooked":"

$\"image\"$
\n $\"image\"$

第三行，因为 Ip是域（Ip就是 Zp*），则 S 是循环群是为什么？

\n","createdAt":"2023-11-19 16:04:46.876381","updatedAt":"2023-11-20 09:37:39.981364","replyToPostNumber":null,"replyCount":1,"likeCount":0,"wordCount":29,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":2,"publicVersion":2,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17611,"postNumber":24,"raw":"因为 Zp*是域，所以二次多项式至多有两个根\n![image|690x218](/uploads/image/44/f7/44f7f3d8813fc54ad698cee9071a64b9db6665dd16a3f1f532986b0248fad970.avif)\n我真傻，真的 :loudly_crying_face:，我单知道因为 Zp*是域....","cooked":"

因为 Zp是域，所以二次多项式至多有两个根
\n $\"image\"$
\n我真傻，真的 😭，我单知道因为 Zp是域....

\n","createdAt":"2023-11-20 09:35:41.732089","updatedAt":"2023-11-20 14:30:55.497709","replyToPostNumber":23,"replyCount":0,"likeCount":0,"wordCount":37,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":2,"publicVersion":2,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}},{"id":17615,"postNumber":25,"raw":"![Screenshot_20231120_190915|224x500](/uploads/image/9d/b8/9db8e5b4a0b059dfb391ba47d151ae3c1d680ceb07abbcbd81682cf6bc70a3c5.avif)\n放个小号，有无🚪友想一起搞一个数学交流/讨论群？","cooked":"

$\"Screenshot_20231120_190915\"$
\n放个小号，有无🚪友想一起搞一个数学交流/讨论群？

\n","createdAt":"2023-11-20 11:39:51.075278","updatedAt":"2023-11-20 11:39:51.075278","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":25,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":30,"username":"一只玉米人","name":"玉米🌽","avatarUrl":"/uploads/blob/14/96/14961aeaa46ccbb75a61eec0c27b26e74fb5d1c00ccdcbbe898ca9ea37087dd6.svg","admin":false,"moderator":true,"signatureRaw":"*年月擦身过，暂且问，会更好吗？*","signatureCooked":"

年月擦身过，暂且问，会更好吗？

\n"}}],"hasMore":true,"lastReadPostNumber":18,"hasUrlPostNumber":true}