{"author_name":"shironetsu","description":"\u3042\u308b\u30c7\u30a3\u30aa\u30d5\u30a1\u30f3\u30c8\u30b9\u65b9\u7a0b\u5f0f\u306e\u89e3 \u6955\u5186\u66f2\u7dda Cremona index X=2\u3067\u306f\uff1f \u8ffd\u8a18\uff082021/05/18\uff09 \u307e\u3068\u307e\u3063\u3066\u3044\u306a\u3044\u5f15\u7528 References shironetsu.hatenadiary.com\u3064\u3065\u304d\u3002\u4eca\u56de\u306e\u8a18\u4e8b\u306f\u4f55\u3060\u304b\u3088\u304f\u5206\u304b\u3089\u306a\u3044\u307e\u307e\u306b\u66f8\u304f\u3002 \u3042\u308b\u30c7\u30a3\u30aa\u30d5\u30a1\u30f3\u30c8\u30b9\u65b9\u7a0b\u5f0f\u306e\u89e3 V-\u5ea7\u6a19\u7cfb\u306b\u304a\u3044\u3066\u3001\u9802\u70b9\u30fb\u9762\u30fb\u8fba\u306b\u5bfe\u5fdc\u3059\u308b\u57fa\u672c\u306e\u6b63\u4e8c\u5341\u9762\u4f53\u591a\u9805\u5f0f\u306f\u3001 \\begin{align} V_{12}(x,y) &= x^{11}y - xy^{11} +11\\,x^{6}y^{6},\\\\ V_{20}(x,y) &= x^{20} + y^{20} -2^2 \\!\\cdot\\! 3 \\!\\\u2026","categories":["\u7269\u7406\u30fb\u6570\u5b66"],"provider_name":"Hatena Blog","image_url":"https://github.com/shironetsu/icosahedron/blob/main/animations/rotating-icosahedron-deg-12x5-v.gif?raw=true","title":"\u300e\u6b63\u591a\u9762\u4f53\u3068\u7d20\u6570\u300f\u306e\u8a08\u7b97\u3092\u3057\u307e\u3057\u3087\u3046(5)\u2015\u6b63\u4e8c\u5341\u9762\u4f53\u3068\u5c0e\u624b11\u306e\u6955\u5186\u66f2\u7dda","provider_url":"https://hatena.blog","blog_title":"Shironetsu Blog","blog_url":"https://shironetsu.hatenadiary.com/","type":"rich","url":"https://shironetsu.hatenadiary.com/entry/2021/05/16/012920","height":"190","author_url":"https://blog.hatena.ne.jp/shironetsu/","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshironetsu.hatenadiary.com%2Fentry%2F2021%2F05%2F16%2F012920\" title=\"\u300e\u6b63\u591a\u9762\u4f53\u3068\u7d20\u6570\u300f\u306e\u8a08\u7b97\u3092\u3057\u307e\u3057\u3087\u3046(5)\u2015\u6b63\u4e8c\u5341\u9762\u4f53\u3068\u5c0e\u624b11\u306e\u6955\u5186\u66f2\u7dda - Shironetsu Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2021-05-16 01:29:20","width":"100%"}