{"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2018%2F12%2F16%2F223119\" title=\"Banach\u7a7a\u9593\u4e0a\u306e\u53cc\u7dda\u578b\u5f62\u5f0f - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["math-functional"],"provider_url":"https://hatena.blog","description":"\u547d\u984c $\\mathcal{X}, \\mathcal{Y}$ \u3092Banach\u7a7a\u9593\u3068\u3057\u3001 $f: \\mathcal{X} \\times \\mathcal{Y} \\to \\mathbb{C}$ \u3092\u53cc\u7dda\u578b\u5f62\u5f0f\u3068\u3059\u308b\u3002 $f$ \u304c $\\mathcal{X}$ \u6210\u5206\u3001 $\\mathcal{Y}$ \u6210\u5206\u306b\u3064\u3044\u3066\u305d\u308c\u305e\u308c\u9023\u7d9a\u306e\u5834\u5408\u3001 $f$ \u306f\u9023\u7d9a\u3067\u3042\u308b\u3002\u8a3c\u660e $x_0 \\in \\mathcal{X},\\ y_0 \\in \\mathcal{Y}$ \u3092\u56fa\u5b9a\u3059\u308b\u3002 $\\|x - x_0\\|,\\ \\|y - y_0\\| \\le 1$ \u3068\u3059\u308b\u3002\\begin{equation} f(x,y) - f(x_0,y_0) \u2026","author_url":"https://blog.hatena.ne.jp/derwind/","provider_name":"Hatena Blog","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","published":"2018-12-16 22:31:19","image_url":null,"height":"190","type":"rich","author_name":"derwind","version":"1.0","url":"https://randommemory.hatenablog.com/entry/2018/12/16/223119","title":"Banach\u7a7a\u9593\u4e0a\u306e\u53cc\u7dda\u578b\u5f62\u5f0f","blog_url":"https://randommemory.hatenablog.com/"}