{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpeng225.hatenablog.com%2Fentry%2F2026%2F02%2F12%2F000537\" title=\"\u570f\u306b\u95a2\u3059\u308b\u521d\u6b69\u7684\u306a\u6982\u5ff5\u3092\u5c0f\u3055\u306a\u4f8b\u3067\u7406\u89e3\u3059\u308b \uff5e \u968f\u4f34 - \u30da\u30f3\u30ae\u30f3\u306f\u7a7a\u3092\u98db\u3076\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://peng225.hatenablog.com/","provider_name":"Hatena Blog","description":"\u524d\u56de\u306e\u8a18\u4e8b\u3067\u306f\u570f\u540c\u5024\u306b\u3064\u3044\u3066\u4f8b\u3092\u7528\u3044\u3066\u8aac\u660e\u3057\u305f\u3002\u672c\u7a3f\u3067\u306f\u305d\u306e\u7d9a\u304d\u3068\u3057\u3066\u968f\u4f34\u306b\u3064\u3044\u3066\u5c0f\u3055\u306a\u4f8b\u3092\u7528\u3044\u3066\u8003\u3048\u3066\u307f\u308b\u3002 \u968f\u4f34 \u968f\u4f34\u306e\u5b9a\u7fa9\u3092\u672c[1]\u3088\u308a\u5f15\u7528\u3059\u308b\u3002 \u968f\u4f34 Let be categories and functors. We say that is left adjoint to , and is right adjoint to , and write , if naturally in and . (\u30fb\u30fb\u30fb\u4e2d\u7565\u30fb\u30fb\u30fb) An adjunction between and is a choice of natural isomorphism (2.1). \u3053\u3053\u3067\u3001\"naturally i\u2026","height":"190","width":"100%","categories":["\u570f\u8ad6"],"version":"1.0","author_name":"peng225","title":"\u570f\u306b\u95a2\u3059\u308b\u521d\u6b69\u7684\u306a\u6982\u5ff5\u3092\u5c0f\u3055\u306a\u4f8b\u3067\u7406\u89e3\u3059\u308b \uff5e \u968f\u4f34","author_url":"https://blog.hatena.ne.jp/peng225/","url":"https://peng225.hatenablog.com/entry/2026/02/12/000537","published":"2026-02-12 00:05:37","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/p/peng225/20260211/20260211143504.png","blog_title":"\u30da\u30f3\u30ae\u30f3\u306f\u7a7a\u3092\u98db\u3076","provider_url":"https://hatena.blog","type":"rich"}