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微分幾何（納谷 信）
Showing the original Japanese · View translation
微分幾何の視点から、曲がった空間と離散群を調べる研究。
AboutAbout the lab
微分幾何の目で、離散的な図形も。
納谷信先生は、
おもに
離散群の
2026年度の
Key terms
- 離散群
- 整数全体のように、
元どうしが ばらばらに 離れている群。 可算無限個の 元を もつものを 考える - ビルディング
- 平らな
図形 （アパートメント）を 規則正しく 貼り合わせてできる 離散的な 図形。 木も その 例の 1つ - 調和写像
- ある
種の エネルギーを できるだけ小さく するように、 図形を 別の 図形へうつす写像 - ラプラシアン
- 関数の
「曲がり具合」を 測る 微分の 操作。 その 固有値は 太鼓の 音の 高さに あたる
ResearchResearch themes
微分幾何の
*Illustrative image離散群の作用と剛性
離散群が、
*Illustrative imageスペクトル幾何
リーマン多様
MembersFaculty
- Professor納谷 信
VoicesStudent voices
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Write a lab reviewAnonymous · Your draft is saved if you stopRelatedLabs similar to 微分幾何（納谷 信）
組合せ論・理論計算機科学・アルゴリズム論・
確率論
フーリエ解析・偏微分方程式
位相幾何学・微分幾何・The information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Surfaces of constant positive Gaussian curvature” Salix alba / CC BY-SA 4.0 (cropped)
- 離散群の
作用と 剛性: “Cayley graphs of quaternion group” PSL27 / CC BY-SA 4.0 (cropped) - スペクトル幾何: “Chladni plate 10” Exhibit made by Estes Objethos Atelier, photo by Rodrigo Tetsuo Argenton / CC BY-SA 4.0 (cropped)
- Related lab (組合せ論・理論計算機科学・アルゴリズム論・
最適化理論 （平井 広志） ): “Imperialist-competitive-algorithm-flowchart-bg” Original author: Icasite Author of the derivative work: Spiritia / CC BY-SA 3.0 (cropped) - Related lab (確率論
（中島 誠） ): “Galton-watson(poisson(1),11gen, 47noeud)” Ipipipourax, S. Roger / CC0 (cropped) - Related lab (フーリエ解析・偏微分方程式
（加藤 淳） ): “Ocean waves water” Jon Sullivan / Public domain (cropped) - Related lab (位相幾何学・微分幾何・
大域解析学 （森吉 仁志） ): “Surface of revolution illustration” Oleg Alexandrov / Public domain (cropped)
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