## Symposium

#### The State and a Prospect of Applied Singularity Theory

2009-03-16 - 2009-03-17 Room 5-201, Faculty of Science Building #5, Hokkaido University / Organizers: S. Izumiya (Hokkaido Univ.), G. Ishikawa (Hokkaido Univ.), and H. Terao (Hokkaido Univ.)

#### The 5th Mathematics Conference for Young Researchers

2009-03-04 - 2009-03-06 Conference Hall, Hokkaido University / Chief Organizer: Tomohiko Suda (Hokkaido Univ.) Organizers: Kota Kasai, Masaki Kasedo, Youko Umeta, Takaaki Yamanoi, Kazuki Yoshida (Hokkaido Univ.)

#### The Third Sapporo-Fukuoka Geometry Seminar

2009-02-16 - 2009-02-18 Room 8-309, Faculty of Science Building #8, Hokkaido University / Organizers: Hitoshi Furuhata (Hokkaido University), Yukio Otsu (Kyushu University)

#### The 10th Northeastern Symposium on Mathematical Analysis

2009-02-16 - 2009-02-17 Kawai Hall, Graduate School of Science, Tohoku University / Organizers: Eiji Yanagida (Tohoku Univ.), Kazuhiro Ishige (Tohoku Univ.), Kimitoshi Tsutaya (Hokkaido Univ.)

#### Sapporo Winter School 2009

2009-02-10 - 2009-02-14 The Conference Hall, Hokkaido University /

#### Tutorial Lectures and Workshop 'Analytic Semigroups and Related Topics -on the occasion of the centenary of the birth of Professor Kôsaku Yosida'

2009-01-13 - 2009-01-16 Graduate School of Mathematical Sciences, University of Tokyo / , Sponsored by 'Global COE Program 'The research and training center for new development in mathematics', University of Tokyo' with cooperation of Research Center for Integrative Mathematics, Hokkaido University, Organizers: Y. Giga (Univ. of Tokyo), S. Jimbo (Hokkaido Univ.), A. Yagi (Osaka Univ.), M. Yamamoto (Univ. of Tokyo)

#### Mathematical Aspects of Image Processing and Computer Vision 2008

2008-11-20 - 2008-11-22 , 3F, Clark Memorial Student Center, Hokkaido University / Organizers: Y. Giga (Univ. of Tokyo), S. Izumiya (Hokkaido Univ.), Y. Tonegawa (Hokkaido Univ.), K. Deguchi (Tohoku Univ.)

#### The 6th HU and SNU Symposium on Mathematics – Geometry and Topology – as a part of The 11th HU-SNU Joint Symposium

2008-11-08 - 2008-11-08 Room 309, Faculty of Science Building #8, Hokkaido University / Organizers: Seung Yael Ha (SNU), Masao Jinzenji (HU), Kaoru Ono (HU), Jongil Park (SNU)

#### The 33rd Sapporo Symposium on Partial Differential Equations

2008-08-26 - 2008-08-28 Room 203, Faculty of Science Building #5, Hokkaido University, / Organizers: T. Ozawa, Y. Giga, S. Jimbo, G. Nakamura, Y. Tonegawa, K. Tsutaya, and T. Sakajo

#### Algebraic Geometry and Related Fields

2008-07-23 - 2008-07-25 Room 4-508, Faculty of Science Building #4, Hokkaido University / Organizer: Takuro Abe (Hokkaido University)

#### 25th Algebraic Combinatorics

2008-06-23 - 2008-06-25 Conference Hall, Hokkaido University / Masayuki Wajima (Hokkaido Institute of Technology), Yugen Takegahara (Muroran Institute of Technology), Kenichiro Tanabe (Hokkaido University)

#### JST Presto Symposium on Mathematical Sciences towards Environmental Problems

2008-06-11 - 2008-06-13 Room 8-309, Faculty of Science Bldg. #8, Hokkaido University / Organizers: JST Presto Project, Hokkaido University Graduate School of Science (Department of Mathematics)

#### Nonlinear Partial Differential Equations

2008-03-29 - 2008-03-30 Sapporo Guest House / Hideo Kubo (Osaka Univ.) and Tohru Ozawa (Hokkaido Univ.)

#### Recent Developments in Nonkaehler Geometry

2008-03-05 - 2008-03-06 Room 8-309, Faculty of Science Building #8, Hokkaido University / Organizers: Iku Nakamura (Hokkaido University) and Masahide Kato (Sophia University)

#### The 9th Northeastern Symposium on Mathematical Analysis

2008-02-21 - 2008-02-22 Room 203, Faculty of Science Building #5, Hokkaido University / Organizers: Hiroaki Aikawa (Hokkaido Univ.) and Makoto Nakamura (Tohoku Univ.)

#### The Second Fukuoka-Sapporo Geometry Seminar

2008-02-19 - 2008-02-21 Kyushu University (Hakozaki Campus) / Organizers: Osamu Saeki (Kyushu University), Toshiyuki Akita (Hokkaido University)

#### The 4th Conference for Young Researchers

2008-02-12 - 2008-02-15 Conference Hall, Hokkaido University / Chief Organizer: Tomoshige Miyaguchi (Hokkaido Univ.) Organizers: Akira Kamijo, Shinji Kawano, Myuko Kon, Yasuhiko Sato(Hokkaido Univ.)

#### Mini-Workshop on Mirror Symmetry

2008-01-30 - 2008-01-31 Room 8-302, Faculty of Science Building #8, Hokkaido University / Organizer: Masao Jinzenji (Hokkaido University)

#### Conference on Function Spaces 2007

2007-12-24 - 2007-12-26 Tokyo University of Science / Organizers: Shizuo Miyajima (Tokyo University of Science) and Takahiko Nakazi (Hokkaido University)

#### Mathematical Aspects of Image Processing and Computer Vision 2007

2007-11-15 - 2007-11-17 Room 4-508, Faculty of Science Building #4, Hokkaido University (15,16th) and Sapporo Guest House (17th) / Organizers: Y. Giga (Univ. of Tokyo/Hokkaido Univ.), S. Izumiya (Hokkaido Univ.), Y. Tonegawa (Hokkaido Univ.), K. Deguchi (Tohoku Univ.)

#### The 3rd Summer Seminars on Applied Mathematics: Computational Homology-Theory and Applications

2007-09-12 - 2007-09-14 Room 8-309, Faculty of Science Bldg. #8, Hokkaido University / Organizers: Naoyuki Ishimura(Hitotsubashi Univ.), Takashi Sakajo(Hokkaido Univ.), Tetsuya Sakurai(Univ. of Tsukuba), Masaharu Nagayama(Kanazawa Univ.), Takaaki Nara(The Univ. of Electro-Communications), Ken Hayami(National Institute of Informatics), Daisuke Furihata(Osaka Univ.) and Takayasu Matsuo(The Univ. of Tokyo) *This series of seminars is jointly organized by Japan Society for Industrial and Applied Mathematics and the COE program of Department of Mathematics of Hokkaido University.

#### Workshop "Tropical Geometry and Related Topics"

2007-09-10 - 2007-09-12 Room 4-508, Faculty of Science Building #4, Hokkaido University / Organizers: Goo Ishikawa (Hokkaido University) and more

#### Algebraic and Arithmetic Structures of Moduli Spaces

2007-09-03 - 2007-09-07 Department of Mathematics, Hokkaido University / Organizers: Iku Nakamura (Hokkaido University) and Lin Weng (Kyushu University)

#### Harmonic Analysis and its Applications at Sapporo 2007

2007-09-02 - 2007-09-04 Room 8-309, Faculty of Science Bldg. #8, Hokkaido University / Organizers: Kozo Yabuta(Kwansei Gakuin Univ.), Akihiko Miyachi(Tokyo Woman's Christian Univ.), Kazuya Tachizawa(Hokkaido Univ.) and Shanzhen Lu (Beijing Normal University)

#### Singularities in Geometry and Topology (Fourth Franco-Japanese Symposium on Singularities)

2007-08-27 - 2007-08-31 Toyama / Organizers： Shihoko Ishii (Tokyo Institute of Technology) and Michel Vaquié (Toulouse), Partially supported by COE Program of math department of Hokkaido University and Toru Ohmoto (Hokkaido University)

#### Nonlinear Wave Equations

2007-08-27 - 2007-08-29 Room 8-309, Faculty of Science Building #8, Hokkaido University / Organizers: Hideo Kubo (Osaka Univ.)，Hiroyuki Takamura (Future Univ.-Hakodate)，Tohru Ozawa (Hokkaido Univ.)，and Kimitoshi Tsutaya (Hokkaido Univ.)

#### Sapporo Lectures on Representations in Lie Theory -An introduction and the beyond-

2007-08-27 - 2007-08-31 Room 4-508, Faculty of Science Building #4, Hokkaido University / Organizers: Kyo Nishiyama (Kyoto University), Hiroyuki Ochiai (Nagoya University), and Hiroshi Yamashita (Hokkaido University)

#### The 32nd Sapporo Symposium on Partial Differential Equations

2007-08-24 - 2007-08-26 Room 203, Faculty of Science Building #5, Hokkaido (Aug. 24-25) and Shinkin Kenpo Kaikan (Aug. 26) / Organizers: T. Ozawa, Y. Giga, S. Jimbo, G. Nakamura, Y. Tonegawa, K. Tsutaya, and T. Sakajo

#### Representation Theory, Systems of Differential Equations and their Related Topics

2007-07-02 - 2007-07-06 Room 4-508, Faculty of Science Building 4, Hokkaido University / Organizers: K. Matsumoto (Hokkaido Univ.), H. Ochiai (Nagoya Univ.), Toshio Oshima (University of Tokyo), M. Saito (Hokkaido Univ.), H. Terao (Hokkaido Univ.), and H. Yamashita (Hokkaido Univ.)

#### International Conference for the 25th Anniversary of Viscosity Solution

2007-06-04 - 2007-06-06 University of Tokyo / Shigeaki Koike (Saitama University) , Yoshikazu Giga (University of Tokyo) , Tohru Ozawa (Hokkaido University)

#### Perspectives of Differential Analysis and Singularity Theory

2007-05-21 - 2007-05-22 Room 4-508, Faculty of Science Building #4, Hokkaido University / Organizers: Shuzo Izumi （Kinki University） and Goo Ishikawa (Hokkaido University)

#### Cross commutators on backward shift invariant subspaces over the bidisk

2007-05-07 - 2007-05-07 4-409, Department of Mathematics, Hokkaido University / Kouhei IZUCHI ( COE Research Fellow, Hokkaido University)

#### NSC spring workshop 2007: Complex Dynamics in Physics, Chemistry and Biology

2007-05-07 - 2007-05-08 RIES, E501 /

#### Cyclic vectors in the Segal-Bargmann space

2007-04-16 - 2007-04-16 4-409, Department of Mathematics, Hokkaido Univeristy / Kouhei IZUCHI ( COE Research Fellow, Hokkaido University)

#### International conference in honor of Y.Pesin and Y.Takahashi on their 60th birthdays：DYNAMICS OF COMPLEX SYSTEMS – mathematical modeling, method and prediction – (The first announcement)

2007-03-19 - 2007-03-20 Hokkaido University conference hall(Kita 8 Nishi 5, Kita-ku, Sapporo) / Yakov Pesin.(Pennsylvania State University), Dmitry Dolgopyat.(Pennsylvania State University), Stefano Luzzatto.(Imperial College), David Albers.(Max Planck Institute for Math. Sci.), William Ott.(Courant Institute),Yoichiro Takahashi (RIMS), Yoji Aizawa (Waseda Univ.), Tamiki Komatsuzaki (Kobe Univ.), Ichiro Tsuda (Hokkaido Univ.) , Michiko Yuri (Hokkaido Univ.)

#### The NORThern Workshop on Representation Theory of Lie Groups and Lie Algebras

2007-03-06 - 2007-03-09 Department of Mathematics, Hokkaido University / Organizers: Akihito Wachi (Hokkaido Institute of Technology), Hiroshi Yamashita (Hokkaido University)

#### The 9th Hokkaido-Seoul National University Joint Symposium –conference for young Japanese and Korean researchers–

2007-02-23 - 2007-02-24 Room 3-508, 3-512, 4-508, 8-309, Department of Mathematics, Hokkaido University / Organizers; Tohru Ozawa (Hokkaido University) and Woo Young Lee (Seoul National University)

#### The 8th Northeastern Symposium on Mathematical Analysis

2007-02-19 - 2007-02-20 Department of Mathematics, Tohoku University / Organizers: I. Takagi (Tohoku Univ.), K. Ishige (Tohoku Univ.), and K. Tachizawa (Hokkaido Univ.)

#### The First Sapporo-Fukuoka Geometry Seminar

2007-02-19 - 2007-02-20 Room 8-309, Faculty of Science Building #8, Hokkaido University / Organizers: Shyuichi Izumiya (Hokkaido University) and Kotaro Yamada (Kyushu University)

#### The 3rd COE COnference for Young Researchers

2007-02-13 - 2007-02-16 Faculty of Science, Hokkaido University / Chief Organizer: Akito Suzuki (Hokkaido Univ.) Organizers: Norifumi Sato, Kazuhiro Shibuya, Daisuke Hirose, Yasunori Maekawa and Kazuhiro Matsumoto (Hokkaido Univ.)

#### Conference on Function Spaces 2006

2006-12-23 - 2006-12-25 Room 8-302, Faculty of Science Building #8, Hokkaido University / Organizers: Takanori Yamamoto (Hokkai-Gakuen University) and Takahiko Nakazi (Hokkaido University)

#### Mini-Workshop on Hyperplane Arrangements

2006-12-06 - 2006-12-07 Room 8-302, Faculty of Science Building #8, Hokkaido University / Organizers: Takuro Abe (Hokkaido Univ.) and Hiroaki Terao (Hokkaido Univ.)

#### Nonlinear Wave Equations

2006-11-19 - 2006-11-20 Sapporo Guest House / Hideo Kubo (Osaka Univ.) and Tohru Ozawa (Hokkaido Univ.)

#### Mathematical Aspects of Image Processing and Computer Vision 2006

2006-11-16 - 2006-11-18 Department of Mathematics, Hokkaido University (16,17th) and Sapporo Guest House (18th) / Organizers: Y. Giga (Univ. of Tokyo/Hokkaido Univ.), S. Izumiya (Hokkaido Univ.), Y. Tonegawa (Hokkaido Univ.), K. Deguchi (Tohoku Univ.)

#### Rings, Combinatorics and Their Related Topics

2006-09-05 - 2006-09-05 4-508, Department of Mathematics, Hokkaido University / Organizer: Mutsumi Saito (Hokkaido University)

#### Multivariable Operator Theory and Complex Analysis

2006-08-07 - 2006-08-09 Department of Mathematics, Hokkaido University / Organizers: T. Nakazi(Hokkaido Univ. ), M. Seto(Kanagawa Univ. )

#### The First China-Japan-Korea Joint Conference on Numerical Mathematics

2006-08-03 - 2006-08-07 Small Hall, Sapporo Convention Center / Organizers: H. Okamoto (Kyoto Univ.), D. Sheen (Seoul National Univ.), Z.-C. Shi (Chinese Academy of Sciences); Local Organizers: T. Sakajo (Hokkaido Univ.), Y.-G. Chen (Hokkaido Tokai Univ.), T. Ozawa (Hokkaido Univ.)

#### The 31st Sapporo Symposium on Partial Differential Equations

2006-08-02 - 2006-08-04 Room 203, Faculty of Science Building #5, Hokkaido University / Organizers: T. Ozawa, Y. Giga, S. Jimbo, G. Nakamura, Y. Tonegawa, K. Tsutaya, and T. Sakajo

#### The Second East Asia SIAM Symposium

2006-08-02 - 2006-08-02 8-302, Department of Mathematics, Hokkaido University / * This symposium is a part of "The First China-Japan-Korea Joint Conference on Numerical Mathematics", held from August 3 to 7 at Sapporo Convention Center.

#### Workshop on Mathematical Aspects of Topological Strings

2006-07-25 - 2006-07-27 4-508, Department of Mathematics, Hokkaido University / Organizers: Kaoru Ono (Hokkaido University), Masao Jinzenji (Hokkaido University)