Differential Geometry Seminar (2007)
As a project of OCAMI, we shall promote the seminar on differential geometry in the wide sense of including the areas related to geometric analysis, topology, algebraic geometry, mathematical physics, integrable systems, information sciences etc.
| Contact | Yoshihiro Ohnita Shin Kato Department of Mathematics Osaka City University Sugimoto, Sumiyoshi-ku, Osaka, 558-8585, JAPAN |
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| TEL | 06-6605-2617 (Ohnita) 06-6605-2616 (Kato) |
| ohnita@sci.osaka-cu.ac.jp shinkato@sci.osaka-cu.ac.jp |
| Speaker | Motohico Mulase (UC Davis & RIMS) |
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| Title | Spヒッチン系とSp不変KP系 |
| Date | March 28 (Fri.) 13：30～15：00 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Yuichi Nohara (Tohoku University) |
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| Title | 旗多様体のトーリック退化と Gelfand-Cetlin 系 |
| Date | February 21 (Thu.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Hiroshi Iriyeh (Tokyo Denki University) |
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| Title | Hofer計量の測地線の局所最短性について |
| Date | February 21 (Thu.) 13：00～14：30 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Ryoichi Kobayashi (Nagoya University) |
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| Title | 正の四元数ケーラー多様体のツイスター空間の自然な崩壊から生じるリッチフロー古代解 |
| Date | February 7 (Thu.) 10：40～12：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Yu Kawakami (Nagoya University & OCAMI) |
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| Title | Width and Ricci flow |
| Date | February 6 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Takumi Yamada (Shimane University) |
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| Title | コンパクト擬ケーラー複素平行可能多様体の格子群について |
| Date | January 30 (Wed.) 17：15～18：45 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Yoshihiro Ohnita (Osaka City University) |
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| Title | ある3次元極小ルジャンドレ部分多様体の変形について |
| Date | January 23 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Kazuyoshi Kiyohara (Okayama University) |
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| Title | 楕円体上の共役跡と共役点の漸近分布 |
| Date | January 16 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Sadahiro Maeda (Saga University) |
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| Title | 部分多様体論の観点から見た複素射影空間内の測地球面上の等質閉曲線について |
| Date | December 19 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Chulmoon Yoo (Kyoto University) |
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| Title | 非一様宇宙における重力レンズ効果 |
| Date | December 12 (Wed.) 17：15～18：15 |
| Place | Dept. of Mathematics, Sci. Bldg., 3068 |
| Abstract | Japanese page only |
| Speaker | Yasunari Kurita (OCAMI) |
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| Title | 歪んだ地平面を持つ五次元ブラックホールの熱力学 |
| Date | December 12 (Wed.) 16：10～17：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3068 |
| Abstract | Japanese page only |
| Speaker | Masanori Kobayashi (Tokyo Metropolitan University) |
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| Title | Spin(7)多様体上の楕円ファイブレーション（after K.Aga) |
| Date | November 28 (Wed.) 17：00～18：30 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Shouhei Honda (Kyoto University) |
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| Title | Riemann多様体の極限空間での測度論 |
| Date | October 24 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Daisuke Yamakawa (Kyoto University) |
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| Title | 点付きRiemann面上の放物接続のモジュライ空間と箙の表現 |
| Date | October 17 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Yukinori Yasui (Osaka City University) |
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| Title | Closed conformal Killing-Yano tensor and Kerr-NUT-de Sitter spacetime uniqueness |
| Date | October 10 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Miyuki Koiso (Nara Women's University) |
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| Title | 平面曲線の輪転曲線としての構成とその曲面論への応用 |
| Date | July 18 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Tobias Muehlenbruch (OIST Institute, Okinawa) |
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| Title | Transfer operators for the geodesic billiard for Hecke triangle groups and the dynamics of continued fractions |
| Date | June 27 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Yumiko Kitagawa (Nara Women's University) |
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| Title | サブリーマン接触多様体について |
| Date | June 13 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Atsushi Kasue (Kanazawa University) |
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| Title | 距離グラフの収束とエネルギー形式 |
| Date | June 6 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Yohei Komori (Osaka City University) |
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| Title | 1次元タイヒミュラー空間のコンピュータ・グラフィックについて |
| Date | May 23 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Yasufumi Nitta (Osaka University) |
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| Title | 一般化されたCalabi-Yau構造とDuistermaat-Heckmanの定理について |
| Date | May 16 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |
| Speaker | Nahid Sultana (Osaka City University Advanced Mathematical Institute) |
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| Title | Constant mean curvature surfaces of revolution in spherically symmetric 3-manifolds, and their stability |
| Date | April 18 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3053(July 8), 3040(July 9) |
| Abstract | Japanese page only |
| Speaker | Yoshihiro Ohnita (Osaka City University) |
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| Title | 複素2次超曲面の等質ラグランジュ部分多様体の分類 |
| Date | April 11 (Wed.) 14：40～16：10 |
| Place | Dept. of Mathematics, Sci. Bldg., 3040 |
| Abstract | Japanese page only |