<?xml version="1.0" encoding="utf-8"?>
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  <author>
    <name>Yuan</name>
  </author>
  <generator uri="https://hexo.io/">Hexo</generator>
  <id>https://mathyuan.com/</id>
  <link href="https://mathyuan.com/" rel="alternate"/>
  <link href="https://mathyuan.com/atom.xml" rel="self"/>
  <rights>All rights reserved 2026, Yuan</rights>
  <title>Yuan的blog</title>
  <updated>2026-03-21T22:27:35.955Z</updated>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/from-win-to-mac/</id>
    <link href="https://mathyuan.com/from-win-to-mac/"/>
    <published>2026-03-21T13:26:14.000Z</published>
    <summary>
      <![CDATA[<p>自从3月初购入二手的Macbook Air以来，我基本上所有工作&#x2F;学习都依赖于这台「新的」Macbook。尽管它作为一台二手电脑依旧烧掉我好些大洋，但忘掉这个成本来看，这台2020年底的Macbook依然给我带来了很多惊喜。</p>
<p>决定从头开始整理一下在这]]>
    </summary>
    <title>从Windows到Macintosh</title>
    <updated>2026-03-21T22:27:35.955Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="tech" scheme="https://mathyuan.com/tags/tech/"/>
    <id>https://mathyuan.com/map-test/</id>
    <link href="https://mathyuan.com/map-test/"/>
    <published>2026-03-15T14:03:30.000Z</published>
    <summary>
      <![CDATA[<p>此文仅用于测试各种嵌入地图，由高德地图驱动，仅用作学习用途。如有侵权嫌疑，请联系作者。</p>
<hr>
<p>这是我在文章中嵌入的实时地图，显示的导航信息是「北京大学」-「玉渊潭公园」的导航，仅供参考。目标是将来拿来做旅行攻略、酒店入住信息展示（真的有机会用得上吗？）目前]]>
    </summary>
    <title>地图测试</title>
    <updated>2026-03-21T20:33:40.275Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/no-game-no-semester/</id>
    <link href="https://mathyuan.com/no-game-no-semester/"/>
    <published>2026-03-04T15:31:26.000Z</published>
    <summary>
      <![CDATA[<p>非常抗拒，但依旧过来了苏黎世。无论如何拖延，新学期终归还是开始了，这次过来，感觉有很多文字想记录在网站上，但苦于服务器的转移，竟然没有机会找到码字的机会。直到3月4日，备案号下来，我终于得以登录上blog的子域名，千辛万苦折腾好了wordpress的导入。在怒斥无良插件之余]]>
    </summary>
    <title>新学期的新折腾</title>
    <updated>2026-03-21T20:34:13.611Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/to-buy-list-lol/</id>
    <link href="https://mathyuan.com/to-buy-list-lol/"/>
    <published>2025-11-06T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>好几个皮肤很想买，列举一下合理计算一下价格。原则是：优先买T2皮肤，优先买会玩的英雄的皮肤。</p>
<ul>
<li><strong>北极星神·黛安娜</strong> 109</li>
<li><strong>北极星神·塞纳</strong> 89</li>
<li>冰]]>
    </summary>
    <title>英雄联盟皮肤待购</title>
    <updated>2026-03-21T20:37:09.651Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="notes" scheme="https://mathyuan.com/categories/%E7%AC%94%E8%AE%B0/"/>
    <category term="拓扑" scheme="https://mathyuan.com/tags/%E6%8B%93%E6%89%91/"/>
    <category term="数学" scheme="https://mathyuan.com/tags/%E6%95%B0%E5%AD%A6/"/>
    <id>https://mathyuan.com/heegaard-splitting-of-three-manifolds/</id>
    <link href="https://mathyuan.com/heegaard-splitting-of-three-manifolds/"/>
    <published>2025-10-23T16:00:00.000Z</published>
    <summary>
      <![CDATA[<blockquote>
<p>本文中所称「流形」均为带边拓扑流形。</p>
</blockquote>
<p>一种最常用的得到新三维流形的办法是：取出两个定向带边三维流形$M_1$和$M_2$，具有同胚的边界$\partial M_1\approx\partial M_2&#x]]>
    </summary>
    <title>三维流形的Heegaard分解</title>
    <updated>2026-03-21T20:36:06.441Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="notes" scheme="https://mathyuan.com/categories/%E7%AC%94%E8%AE%B0/"/>
    <category term="数学" scheme="https://mathyuan.com/tags/%E6%95%B0%E5%AD%A6/"/>
    <category term="代数几何" scheme="https://mathyuan.com/tags/%E4%BB%A3%E6%95%B0%E5%87%A0%E4%BD%95/"/>
    <id>https://mathyuan.com/basic-algebraic-geometry/</id>
    <link href="https://mathyuan.com/basic-algebraic-geometry/"/>
    <published>2025-09-30T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>有一些「基础代数几何」课程中简短有趣的习题、结论，写在便条上方便记忆。现在整理下来放在网上，就可以清理掉纸质便条了。</p>
<p>1. 若复仿射簇的维数大于或等于1，则其作为$\mathbb{C}^n$子空间时赋予classical topology时，一定不是紧致的；<]]>
    </summary>
    <title>「基础代数几何」荟萃</title>
    <updated>2026-03-21T20:36:50.295Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="notes" scheme="https://mathyuan.com/categories/%E7%AC%94%E8%AE%B0/"/>
    <category term="拓扑" scheme="https://mathyuan.com/tags/%E6%8B%93%E6%89%91/"/>
    <category term="数学" scheme="https://mathyuan.com/tags/%E6%95%B0%E5%AD%A6/"/>
    <id>https://mathyuan.com/2025/09/23/%E6%89%AD%E7%BB%93floer%E5%90%8C%E8%B0%83%E5%8C%BA%E5%88%86%E3%80%8C%E5%88%87%E7%89%87%E5%9C%86%E7%9B%98%E3%80%8D/</id>
    <link href="https://mathyuan.com/2025/09/23/%E6%89%AD%E7%BB%93floer%E5%90%8C%E8%B0%83%E5%8C%BA%E5%88%86%E3%80%8C%E5%88%87%E7%89%87%E5%9C%86%E7%9B%98%E3%80%8D/"/>
    <published>2025-09-23T16:00:00.000Z</published>
    <summary>
      <![CDATA[<blockquote>
<p>本篇主要抄一下Juhasz和Zemke在2020年的文章<a href="https://arxiv.org/abs/1804.09589">Distinguishing Slice Disks Using Knot Floer Homology<]]>
    </summary>
    <title>扭结Floer同调区分「切片圆盘」</title>
    <updated>2026-03-06T15:54:41.765Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/diverted-life/</id>
    <link href="https://mathyuan.com/diverted-life/"/>
    <published>2025-09-23T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>从来到瑞士开始，总感觉并没有进入「正轨」的世界。]]>
    </summary>
    <title>错轨人生</title>
    <updated>2026-03-21T20:33:32.773Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="tech" scheme="https://mathyuan.com/categories/%E6%8A%80%E6%9C%AF/"/>
    <id>https://mathyuan.com/touchpad-fixing-ROG/</id>
    <link href="https://mathyuan.com/touchpad-fixing-ROG/"/>
    <published>2025-09-21T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>在购入这台2023版本的幻13笔记本（4060显卡）后，我就遇到了很多次各种小毛病。既有触摸板失灵，也有WiFi模块消失，语言显示异常的问题。有的不影响使用，但比较影响观感，有的非常影响使用，如果遇到会非常影响工作学习的效率和心情。一次遇到，30分钟内解决就已经谢天谢地，更]]>
    </summary>
    <title>华硕幻13·触摸板失灵问题</title>
    <updated>2026-03-21T20:35:45.296Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <category term="电影" scheme="https://mathyuan.com/tags/%E7%94%B5%E5%BD%B1/"/>
    <id>https://mathyuan.com/2025/09/13/%E5%8A%A8%E6%BC%AB%E6%9D%82%E8%B0%88%E5%9B%9E/</id>
    <link href="https://mathyuan.com/2025/09/13/%E5%8A%A8%E6%BC%AB%E6%9D%82%E8%B0%88%E5%9B%9E/"/>
    <published>2025-09-13T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>各种杂谈回简直就像lecture的习题课哇！！！这个季度如果没看动漫，点开直播间都会有种羞愧的感觉。用以前的旧番解释新番的设定，最终旧番也没看过，完全就是听不懂的状态，这下欠下的债是越来越多了。最近在看《梦比优斯奥特曼》，除了打架都是3倍速看的。奥棚选女演员水平真高啊，好多]]>
    </summary>
    <title>动漫杂谈回</title>
    <updated>2026-03-06T13:55:31.101Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <category term="出游" scheme="https://mathyuan.com/tags/%E5%87%BA%E6%B8%B8/"/>
    <id>https://mathyuan.com/2025/09/06/%E6%9C%88%E5%85%A8%E9%A3%9F%E5%BD%95/</id>
    <link href="https://mathyuan.com/2025/09/06/%E6%9C%88%E5%85%A8%E9%A3%9F%E5%BD%95/"/>
    <published>2025-09-06T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>听闻北京时间9月7号晚上0：30分开始会有月全食，呈现红色月亮。遂出门，到附近2km处草地拍照。雾气重重，网上说月亮现于东南方向，但角度太低，且群山环绕，最终未能得见，算是白跑一趟。好嘛，连“千里共婵娟”的机会都没有了。</p>
<p>不过，出乎意料的是，晚上看到了不少人，]]>
    </summary>
    <title>月全食录</title>
    <updated>2026-03-06T13:55:31.077Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <category term="电影" scheme="https://mathyuan.com/tags/%E7%94%B5%E5%BD%B1/"/>
    <id>https://mathyuan.com/2025/09/06/%E8%A7%82%E5%BD%B1%E5%B7%BE%E5%B8%BC%E6%9E%AD%E9%9B%84%E4%B9%8B%E4%B9%89%E6%B5%B7%E8%B1%AA%E6%83%85/</id>
    <link href="https://mathyuan.com/2025/09/06/%E8%A7%82%E5%BD%B1%E5%B7%BE%E5%B8%BC%E6%9E%AD%E9%9B%84%E4%B9%8B%E4%B9%89%E6%B5%B7%E8%B1%AA%E6%83%85/"/>
    <published>2025-09-06T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>自从周三凌晨起床看九三阅兵，好几天作息都没调整过来。拖到周五才开始看Khovanov同调，看了一会心里烦躁，晚上又找了好久港剧看，企图纠正一下粤语口音。偶然想起原先一直没看完的经典剧<a href="https://movie.douban.com/subject/4195]]>
    </summary>
    <title>观影·《巾帼枭雄之义海豪情》</title>
    <updated>2026-03-06T13:55:31.052Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/picking-up-and-giving-up./</id>
    <link href="https://mathyuan.com/picking-up-and-giving-up./"/>
    <published>2025-08-19T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>我从小到大做好多事情，都挺三分钟热度的，真正坚持下来的事情不多。</p>
<hr>
<h2 id="摄影特辑"><a href="#摄影特辑" class="headerlink" title="摄影特辑"></a>摄影特辑</h2><p>最近一年想开发一些业余爱好，无一例]]>
    </summary>
    <title>三分钟热度</title>
    <updated>2026-03-21T20:45:15.488Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/memories-between-lyrics/</id>
    <link href="https://mathyuan.com/memories-between-lyrics/"/>
    <published>2025-08-11T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>前面也说到：有时候某些时候听的歌曲，在后来再听的时候，就完全是那段时间的回忆了。如果说2024年春季学期在北京，我的记忆是《粤语残片》《陀飞轮》和《沙龙》，那这次2025年暑期回家，我的回忆是《奇洛李维斯的回信》《大城小事（黎明）》和《于心有愧》。来到瑞士之后，我极其地不想]]>
    </summary>
    <title>歌曲的记忆（其二）</title>
    <updated>2026-03-21T20:34:55.136Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="tech" scheme="https://mathyuan.com/categories/%E6%8A%80%E6%9C%AF/"/>
    <id>https://mathyuan.com/driving-subject-2/</id>
    <link href="https://mathyuan.com/driving-subject-2/"/>
    <published>2025-07-12T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>科目二包括如下内容：</p>
<ol>
<li><p>侧方停车</p>
<ul>
<li><p>方向盘12点钟方向正对中间线偏左前进；</p>
</li>
<li><p>观察<strong>右后视镜</strong>，直到实线库（左上）边角出现在后视镜内时，停下车辆；</p]]>
    </summary>
    <title>科目二学习</title>
    <updated>2026-03-21T20:44:23.334Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/todo-willdo-before-going-back/</id>
    <link href="https://mathyuan.com/todo-willdo-before-going-back/"/>
    <published>2025-06-30T16:00:00.000Z</published>
    <summary>
      <![CDATA[<ol>
<li><p>新背包</p>
</li>
<li><p>笔</p>
</li>
<li><p>充电线</p>
</li>
</ol>]]>
    </summary>
    <title>回国待办/将办</title>
    <updated>2026-03-21T20:43:54.187Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="notes" scheme="https://mathyuan.com/categories/%E7%AC%94%E8%AE%B0/"/>
    <category term="数学" scheme="https://mathyuan.com/tags/%E6%95%B0%E5%AD%A6/"/>
    <category term="代数几何" scheme="https://mathyuan.com/tags/%E4%BB%A3%E6%95%B0%E5%87%A0%E4%BD%95/"/>
    <id>https://mathyuan.com/from-varieties-to-scheme/</id>
    <link href="https://mathyuan.com/from-varieties-to-scheme/"/>
    <published>2025-05-21T16:00:00.000Z</published>
    <summary>
      <![CDATA[<h2 id="引言"><a href="#引言" class="headerlink" title="引言"></a>引言</h2><p>在本篇中, 我们主要希望将簇上的认识, 推广到新概念 ``概形 (scheme)’’ 上来. 稍微回忆一下: 我们首先在代数闭域$K$上,]]>
    </summary>
    <title>从簇到概形</title>
    <updated>2026-03-21T20:35:15.308Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="notes" scheme="https://mathyuan.com/categories/%E7%AC%94%E8%AE%B0/"/>
    <category term="代数几何" scheme="https://mathyuan.com/tags/%E4%BB%A3%E6%95%B0%E5%87%A0%E4%BD%95/"/>
    <id>https://mathyuan.com/2025/05/12/blow-up-of-affine-variety/</id>
    <link href="https://mathyuan.com/2025/05/12/blow-up-of-affine-variety/"/>
    <published>2025-05-12T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>这里我们总结一下blow-up的结论和例子.</p>
<h2 id="什么是blow-up-什么是例外除子"><a href="#什么是blow-up-什么是例外除子" class="headerlink" title="什么是blow up? 什么是例外除子?"></a>]]>
    </summary>
    <title>仿射簇的吹起</title>
    <updated>2026-03-06T15:40:36.127Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/2025/04/29/%E6%91%98%E6%8A%84001/</id>
    <link href="https://mathyuan.com/2025/04/29/%E6%91%98%E6%8A%84001/"/>
    <published>2025-04-29T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>今天知道了为什么$S^2\times S^2$对应的Kirby diagram是0-framed的Hopf link，原来是用handle decomposition。</p>
<blockquote>
<p>纷扰固溺志之场，而枯寂亦槁心之地。故学者当栖心玄默，以宁吾真体；]]>
    </summary>
    <title>中文摘抄</title>
    <updated>2026-03-06T15:14:51.374Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/lack-of-concentration/</id>
    <link href="https://mathyuan.com/lack-of-concentration/"/>
    <published>2025-04-14T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>最近专心不下来读书。一个原因可能是通勤和做饭消耗了太多的精力；另外一个原因就是没有“一定要把这本书读完”的恒心和毅力。如果仅仅是想着上课听一下就过去了，那么遇到上课不愿意讲得很详细的老师，自己对知识的掌握就完全是一团糟了吧。</p>
<p>应当有强大的独立学习能力：建立知识]]>
    </summary>
    <title>专注力缺乏</title>
    <updated>2026-03-21T20:42:44.211Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/ikea-appreciation/</id>
    <link href="https://mathyuan.com/ikea-appreciation/"/>
    <published>2025-03-15T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>周五下午上完课之后去宜家买窗帘, 逛了有一阵子. 本来只打算随便逛逛就走的, 走到一半发现已经经过两个点了. 几乎是像看展一样看了很多感兴趣的布置.</p>
<p>2024年我会把我的 “年度最佳电器” 颁给Nespresso的胶囊咖啡机, 导致我一度非常希望未来的家里面能]]>
    </summary>
    <title>小赞宜家</title>
    <updated>2026-03-21T20:42:29.455Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="notes" scheme="https://mathyuan.com/categories/%E7%AC%94%E8%AE%B0/"/>
    <category term="数学" scheme="https://mathyuan.com/tags/%E6%95%B0%E5%AD%A6/"/>
    <id>https://mathyuan.com/2025/03/05/%E6%95%B0%E5%80%BC%E5%88%86%E6%9E%90%E7%AC%94%E8%AE%B0/</id>
    <link href="https://mathyuan.com/2025/03/05/%E6%95%B0%E5%80%BC%E5%88%86%E6%9E%90%E7%AC%94%E8%AE%B0/"/>
    <published>2025-03-05T16:00:00.000Z</published>
    <summary>
      <![CDATA[<blockquote>
<p>此篇完全是为了通过考试. 我不喜欢数值分析, 但是不得不学.</p>
</blockquote>
<p>总的来说，这门课似乎包括以下几个板块</p>
<ul>
<li><p>函数的逼近（多项式插值）</p>
</li>
<li><p>线性方程组的数]]>
    </summary>
    <title>数值分析笔记</title>
    <updated>2026-03-06T15:14:51.377Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <category term="数学" scheme="https://mathyuan.com/tags/%E6%95%B0%E5%AD%A6/"/>
    <id>https://mathyuan.com/mathematical-column-and-ideas/</id>
    <link href="https://mathyuan.com/mathematical-column-and-ideas/"/>
    <published>2025-03-02T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>我目前打算在<a href="https://www.zhihu.com/people/Godxy/columns">我的知乎主页</a>上撰写一些专栏笔记, 内容是我目前感兴趣的一些领域的基础知识 (可能因为时间安排问题懒惰经常不更新). 想要找到适合写的话题总是不那么容]]>
    </summary>
    <title>数学专栏和灵感</title>
    <updated>2026-03-21T20:43:05.353Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="tech" scheme="https://mathyuan.com/categories/%E6%8A%80%E6%9C%AF/"/>
    <id>https://mathyuan.com/on-vps-we-deploy/</id>
    <link href="https://mathyuan.com/on-vps-we-deploy/"/>
    <published>2025-02-28T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>如果这篇文章被看到了, 说明我已经成功部署我的网站到个人VPS上了!!!</p>
<p>可喜可贺, 哦咩爹多!!!!</p>
<hr>
<h2 id="建立日志"><a href="#建立日志" class="headerlink" title="建立日志"></a>建立日]]>
    </summary>
    <title>部署网站到VPS</title>
    <updated>2026-03-21T20:43:31.948Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="diary" scheme="https://mathyuan.com/categories/%E6%97%A5%E8%AE%B0/"/>
    <id>https://mathyuan.com/between-winter-and-spring-2025/</id>
    <link href="https://mathyuan.com/between-winter-and-spring-2025/"/>
    <published>2025-02-25T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>2.24，天气晴, 日照时间依旧短.</p>
<p>今天除了白天例行三点一线上课之外, 花了大量时间在建站上, 姑且算是一个 “立等可取” 程度的工作–付出了努力就真的有很多成效, 不仅安装好了LaTeX的插件, 效果超乎想象, 而且还很容易就实现了hexo费大半天功夫才弄]]>
    </summary>
    <title>冬春随记</title>
    <updated>2026-03-21T20:39:59.394Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/make-it-simple/</id>
    <link href="https://mathyuan.com/make-it-simple/"/>
    <published>2025-02-22T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>编辑文章的办法简单点, 界面简朴点好. 就写点文字什么的, 也别老想着把数学公式打上来了, 虽然这里叫<a href="http://yuans-blog.local/">mathyuan.com</a></p>]]>
    </summary>
    <title>简单点</title>
    <updated>2026-03-21T20:40:57.028Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/not-the-first-post/</id>
    <link href="https://mathyuan.com/not-the-first-post/"/>
    <published>2025-02-22T16:00:00.000Z</published>
    <summary>
      <![CDATA[<p>尝试一下wordpress, 也许会更容易一点.</p>]]>
    </summary>
    <title>第一篇文章</title>
    <updated>2026-03-21T20:41:36.719Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/peking-memories/</id>
    <link href="https://mathyuan.com/peking-memories/"/>
    <published>2024-12-12T16:00:00.000Z</published>
    <summary>
      <![CDATA[<figure>

<p><img src="/peking-memories/images/7bbbaecd2117fea23513f77ec4a0347.jpg"></p>
<figcaption>

<p>@北京大学未名湖&#x2F;2024-02-19</p>
</fig]]>
    </summary>
    <title>北京记忆</title>
    <updated>2026-03-21T20:31:23.911Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/all-in-one-swiss/</id>
    <link href="https://mathyuan.com/all-in-one-swiss/"/>
    <published>2024-09-19T16:00:00.000Z</published>
    <summary>
      <![CDATA[<h1 id="写在前面"><a href="#写在前面" class="headerlink" title="写在前面"></a>写在前面</h1><p>从2024年8月30号从香港(HKG)出发落地苏黎世机场(ZRH)，直到开学第一周的周五，也就是9月20号，我才真正有时间好]]>
    </summary>
    <title>瑞士林林总总</title>
    <updated>2026-03-21T20:36:28.426Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="thoughts" scheme="https://mathyuan.com/categories/%E9%9A%8F%E6%83%B3/"/>
    <id>https://mathyuan.com/xi_an-memories/</id>
    <link href="https://mathyuan.com/xi_an-memories/"/>
    <published>2024-06-18T16:00:00.000Z</published>
    <summary>
      <![CDATA[<blockquote>
<p>毕竟在西交待了3年(除去大三下学期的出国交流, 大四下学期的北大强化班), 对西交即便说不上爱, 也是有相当多的回忆的. 值此毕业季, 尽管去向未定, 内心依旧忐忑不安, 对未来也没什么展望, 但关于西交依然有很多值得记录的回忆, 趁着收拾的间隙忙]]>
    </summary>
    <title>西交回忆录</title>
    <updated>2026-03-21T20:40:43.651Z</updated>
  </entry>
  <entry>
    <author>
      <name>Yuan</name>
    </author>
    <category term="notes" scheme="https://mathyuan.com/categories/%E7%AC%94%E8%AE%B0/"/>
    <category term="代数拓扑" scheme="https://mathyuan.com/tags/%E4%BB%A3%E6%95%B0%E6%8B%93%E6%89%91/"/>
    <category term="拓扑" scheme="https://mathyuan.com/tags/%E6%8B%93%E6%89%91/"/>
    <category term="数学" scheme="https://mathyuan.com/tags/%E6%95%B0%E5%AD%A6/"/>
    <id>https://mathyuan.com/2024/06/11/alexander-duality/</id>
    <link href="https://mathyuan.com/2024/06/11/alexander-duality/"/>
    <published>2024-06-11T16:00:00.000Z</published>
    <summary>
      <![CDATA[<h2 id="Poincare-duality-with-boundary"><a href="#Poincare-duality-with-boundary" class="headerlink" title="Poincare duality with boundary">]]>
    </summary>
    <title>Alexander对偶和纽结补空间的同调群</title>
    <updated>2026-03-06T15:14:51.372Z</updated>
  </entry>
</feed>
