m-hiyama-memo https://blog.hatena.ne.jp/m-hiyama-memo/ (保存用) 檜山正幸のキマイラ飼育記 メモ編 https://m-hiyama-memo.hatenablog.jp/ 幾何っぽい CADG 比較的標準的 Manifolds, sheaves, and cohomology Torsten Wedhorna https://www2.math.uni-paderborn.de/fileadmin/Mathematik/People/wedhorn/Lehre/SkriptMannigfaltigkeiten.pdf プレ多様体の定義 Let α ∈ N ∪ {∞}. A locally R-ringed space (X, OX) is called (real) Cα-premanifold if there exists an open covering X = ∪(i∈I |… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fm-hiyama-memo.hatenablog.jp%2Fentry%2F20170622%2F1498115914" title="多様体の定義 - (保存用) 檜山正幸のキマイラ飼育記 メモ編" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> http://www.chimaira.org/img4/tancat-axioms.png Hatena Blog https://hatena.blog 2017-06-22 16:18:34 rich https://m-hiyama-memo.hatenablog.jp/entry/20170622/1498115914 1.0 100%