21st Century COE Program : Mathematics of Nonlinear Structure via Singularity

2007 : Past Seminars, Symposiums and Workshops

Lecture Series

2007-01-08 (Mon) 10:00-12:00 Faculty of Science Building #8 Room309 Kazuya Kato (Kyoto University)Non-commutative Iwasawa theory (1)
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Lecture Series

2007-01-08 (Mon) 14:00-16:00 Faculty of Science Building #8 Room309 Kazuya Kato (Kyoto University)Non-commutative Iwasawa theory (2)
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Lecture Series

2007-01-09 (Tue) 09:30-11:30 Faculty of Science Building #8 Room302 Kazuya Kato (Kyoto University)Non-commutative Iwasawa theory (3)
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Lecture Series

2007-01-09 (Tue) 13:00-15:00 Faculty of Science Building #8 Room302 Kazuya Kato (Kyoto University)Non-commutative Iwasawa theory (4)
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Lecture Series

2007-01-11 (Thu) 10:00-12:00 Faculty of Science Building #8 Room101 Teruyoshi Yoshida(Harvard University)Local Langlands correspondence of GL(n) and Arithmetic geometry of unitary Shimura varieties(1)

Lecture Series

2007-01-11 (Thu) 15:00-17:00 Faculty of Science Building #8 Room101 Teruyoshi Yoshida(Harvard University)Local Langlands correspondence of GL(n) and Arithmetic geometry of unitary Shimura varieties(2)

Lecture Series

2007-01-12 (Fri) 10:00-12:00 Faculty of Science Building #8 Room309 Teruyoshi Yoshida(Harvard University)Local Langlands correspondence of GL(n) and Arithmetic geometry of unitary Shimura varieties(3)

Lecture Series

2007-01-12 (Fri) 15:00-17:00 Faculty of Science Building #8 Room309 Teruyoshi Yoshida(Harvard University)Local Langlands correspondence of GL(n) and Arithmetic geometry of unitary Shimura varieties(4)

PDE Seminar

2007-01-15 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 Kazuhiro Ishige (Tohoku Univ.)熱方程式の解の最大点挙動と正値調和関数
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The 30thPDE Real Analysis Seminar

2007-01-17 (Wed) 10:30-11:30 Graduate School of Mathematical Sciences the University of Tokyo, Room #056 Professor Alex Mahalov (Arizona State University)Fast Singular Oscillating Limits of Hydrodynamic PDEs: application to 3D Euler, Navier-Stokes and MHD equations
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NSC Seminar

2007-01-19 (Fri) 15:00-16:00 RIES, N502 K. Ohgane歩行の柔軟な制御 -- 階層間相互作用モデル --
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Seminar on Group Theory

2007-01-22 (Mon) 13:00-17:30 Faculty of Science Building #3 Room 3-512 Yutaka Hiramine (Kumamoto Univ.)semifieldsと相対差集合について
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Seminar on Group Theory

2007-01-22 (Mon) 13:00-17:30 Faculty of Science Building #3 Room 3-512 Fumihito Oda (Toyama National College of Technology)The crossed Burnside ring, the rational representation ring of Drinfel'd double and the Dade groups of a $p$-group
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Seminar on Group Theory

2007-01-22 (Mon) 13:00-17:30 Faculty of Science Building #3 Room 3-512 Tomoyuki Yoshida (Hokkaido Univ.)分割表の一致率検定への有限群論の応用
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Seminar on Arithmetic Algebraic Geometry

2007-01-23 (Tue) 13:30-15:00 Faculty of Science Building#3 Room508 Takehiko Yasuda(Kyoto University)旗高次ナッシュ爆発と積の可換性

Wave Seminar

2007-01-23 (Tue) 16:00-17:30 Faculty of Science Building #3 Room 311, Hokkaido University Hideo Takaoka (Kobe University)On the finite dimensional approximation result for the KdV equation on the torus
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Seminar on Arithmetic Algebraic Geometry

2007-01-25 (Thu) 13:30-15:00 Faculty of Science Building#3 Room508 Takehiko Yasuda(Kyoto University)食い違い係数とモティヴィック積分

PDE Seminar

2007-01-29 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 Norikazu Saito, Faculty of Human Development, University of ToyamaConservative finite-element method for the Keller-Segel system
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The 12thMathematics for various disciplines

2007-01-31 (Wed) 10:30-11:30 Graduate School of Mathematical Sciences the University of Tokyo, Room #123 Masahiro Kotani(Gakushuin University)ガラスに吸着した色素分子の一分子観察―ランダムウォークと拡散―
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NSC Seminar

2007-02-02 (Fri) 15:30-17:00 北大電子研E501 M. Tribelsky (Moscow State Institute of Radioengineering, Electronics and Automation (Technical University))Soft-mode turbulence as a new type of spatiotemporal chaos at onset
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Wave Seminar

2007-02-06 (Tue) 16:00-17:30 Faculty of Science Building #3 Room 311, Hokkaido University Y. Kimura (Hokkaido University)Stability and instability of standing waves for the nonlinear Schr\"{o}dinger equation with the Hartree nonlinearity
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Wave Seminar

2007-02-06 (Tue) 16:00-17:30 Faculty of Science Building #3 Room 311, Hokkaido University M. Hori (Hokkaido University)The numerical analysis of the nonlinear Schroedinger equation with white noise.
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The 15thKuramoto's Lecture

Dynamics of non-locally coupled oscillator systems II
2007-02-07 (Wed) - 2007-01-23 (Tue) N508,RIES,Hokkaido University Yoshiki Kuramoto
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Symposium

The 3rd COE COnference for Young Researchers
2007-02-13 (Tue) - 2007-02-16 (Fri) 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.)
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Wave Seminar

2007-02-13 (Tue) 16:00-17:30 Faculty of Science Building #8 Room 309 Jishan FAN (Nanjing Forestry University)Regularity Criteria for Navier - Stokes Equations
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Symposium

The 8th Northeastern Symposium on Mathematical Analysis
2007-02-19 (Mon) - 2007-02-20 (Tue) Department of Mathematics, Tohoku University Organizers: I. Takagi (Tohoku Univ.), K. Ishige (Tohoku Univ.), and K. Tachizawa (Hokkaido Univ.)
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Symposium

The First Sapporo-Fukuoka Geometry Seminar
2007-02-19 (Mon) - 2007-02-20 (Tue) Room 8-309, Faculty of Science Building #8, Hokkaido University Organizers: Shyuichi Izumiya (Hokkaido University) and Kotaro Yamada (Kyushu University)
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NSC Seminar

2007-02-22 (Thu) 16:30-18:00 北大電子研N502 X.-F. Ren (Utah State University)On a phase field model driven by interface area and interface curvature
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Symposium

The 9th Hokkaido-Seoul National University Joint Symposium --conference for young Japanese and Korean researchers--
2007-02-23 (Fri) - 2007-02-24 (Sat) 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)
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Special Lecture

2007-03-02 (Fri) 16:00-18:30 Room 8-302, Department of Mathematics, Hokkaido University Prof. M. I. BelishevForward and inverse problems for two-vellocity dynamical systems
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Symposium

The NORThern Workshop on Representation Theory of Lie Groups and Lie Algebras
2007-03-06 (Tue) - 2007-03-09 (Fri) Department of Mathematics, Hokkaido University Organizers: Akihito Wachi (Hokkaido Institute of Technology), Hiroshi Yamashita (Hokkaido University)
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Seminar on Group Theory

2007-03-07 (Wed) 13:30-14:30 Faculty of Science Building #3 Room 3-508 Hiroki Sasaki (Shinshu Univ.)ブロック・イデアルのコホモロジー論

The 13thMathematics for various disciplines

2007-03-07 (Wed) 14:00-15:00 Graduate School of Mathematical Sciences the University of Tokyo, Room #056 Seung Yeal Ha (Seoul National University)Stability theory in L^p for the space-inhomogeneous Boltzmann equation
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Seminar on Group Theory

2007-03-07 (Wed) 15:00-16:00 Faculty of Science Building #3 Room 3-508 Hiroki Shimakura (Hokkaido Univ.)格子に付随する頂点作用素代数のイジング元について

Seminar on Group Theory

2007-03-07 (Wed) 16:30-17:30 Faculty of Science Building #3 Room 3-508 Masaaki Kitazume (Chiba Univ.)Strongly regular graphs and designs

PDE Seminar

2007-03-07 (Wed) 16:30-17:30 Faculty of Science Building #4 Room 508 Matteo Novaga (Hokkaido University / Universita di Pisa)A semidiscrete scheme for the Perona Malik equation
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Seminar on Group Theory

2007-03-12 (Mon) 16:00-17:00 Faculty of Science Building #3 Room 3-512 Fumihito Oda (Toyama National College of Technology)On Green biset functors

The 16thKuramoto's Lecture

Dynamics of non-locally coupled oscillator systems III
2007-03-14 (Wed) - 2007-02-14 (Wed) Auditorium,RIES,Hokkaido University Yoshiki Kuramoto
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The 97th Complex Systems Seminar

2007-03-15 (Thu) 16:00-17:30 Auditorium,RIES,Hokkaido University Peter Erdi(Kalamazoo College・KFKI Research Institute)Towards a dynamical neuropharmacology: multi-scale modeling
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The 98thComplex Systems Seminar

2007-03-16 (Fri) 15:00-16:00 N508, RIES, Hokkaido University William Ott (Courant Institute of Mathematical Sciences) Rank one attractors and shear-induced chaos
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Symposium

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 (Mon) - 2007-03-20 (Tue) 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.)
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Seminar on Arithmetic Algebraic Geometry

2007-03-19 (Mon) 13:30-15:30 Faculty of Science Building #3 Room508 Masao Aoki(Kyoto University)代数スタックの構成

The 31stPDE Real Analysis Seminar

2007-03-22 (Thu) 10:30-11:30 Graduate School of Mathematical Sciences the University of Tokyo, Room #056 Professor Matteo Novaga (Hokkaido University / Universita di Pisa)A semidiscrete scheme for the Perona Malik equation
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The 99thComplex Systems Seminar

2007-03-22 (Thu) 15:00-16:30 E501/E502,RIES,Hokkaido University James Wright(University of Auckland)Generation and control of gamma activity and synchronous oscillation in the cerebral cortex: state equations, and simulation using physiological parameter values.
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The 100thComplex Systems Seminar

2007-03-26 (Mon) 15:00-17:00 Auditorium,RIES,Hokkaido University Yakov Pesin (Pennsylvania State University)Chaotic travelling waves in coupled map lattices of unbounded media./Stable Ergodicity For Partially Hyperbolic Attractors
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The 101thComplex Systems Seminar

2007-03-27 (Tue) 15:00-16:30 N508, RIES, Hokkaido University John Albers (University of California, Davis)Effects of Ozone on Stratospheric Wave-Mean Flow Interaction
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The 14th Mathematics for various disciplines

2007-04-11 (Wed) 10:30-11:30 Graduate School of Mathematical Sciences the University of Tokyo, Room #056 C. W. Oosterlee (Delft University of Technology)The numerical treatment of pricing early exercise options under L'evy processes
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NSC Seminar

2007-04-11 (Wed) 15:00-16:30 RIES, N502 Dr. Sergio AlonsoNegative filament tension of scroll waves in three dimensional excitable media.
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The 15thMathematics for various disciplines

2007-04-12 (Thu) 16:30-17:30 Graduate School of Mathematical Sciences the University of Tokyo, Room #056 Boris Khesin (University of Toront)Dynamics on diffeomorphism groups: shocks of the Burgers equation and hydrodynamical instability
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The 12th COE Lecture Series ( Part 1) Symposium

Cyclic vectors in the Segal-Bargmann space2007-04-16 (Mon) - 2007-04-16 (Mon) 4-409, Department of Mathematics, Hokkaido Univeristy Kouhei IZUCHI ( COE Research Fellow, Hokkaido University)
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Seminar on Group Theory

2007-04-16 (Mon) 13:30-14:00 Faculty of Science Building #4 Room 4-508 Tomoyuki Yoshida (Hokkaido Univ.)分割表の一致数に関連して現れるある種の超幾何多項式の積公式

PDE Seminar

2007-04-16 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 Okihiro Sawada (Hokkaido Univ.)Mathematical study on the spin-coating-process
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Wave Seminar

2007-04-20 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Sei Nagayasu (Hokkaido Univ.)A remark on an iterative procedure for solving a Cauchy problem
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Seminar on Group Theory

2007-04-23 (Mon) 13:00-14:30 Faculty of Science Building #4 Room 4-508 Kenichiro Tanabe (Hokkaido Univ.)可換代数から構成される頂点代数の加群について

PDE Seminar

2007-04-23 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 Nariya Uchida (Tohoku Univ.)Pattern formation in membranes coupled to a vector field
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Wave Seminar

2007-04-27 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Sei NAGAYASU (Hokkaido University)A remark on an iterative procedure for solving a Cauchy problem
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NSC Seminar

2007-05-02 (Wed) 13:30-15:00 北大電子研N502 Prof. Markus Baer (Mathematical Modeling and Data Analysis, Physikalisch-Technische Bundesanstalt (PTB), Berlin. Germany)Instabilities of Reaction-Diffusion Waves in 2D and 3D Excitable Media: From Spiral Breakup and Scroll Waves to Cardiac Alternans Part I
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The 12th COE Lecture Series (Part2)Symposium

Cross commutators on backward shift invariant subspaces over the bidisk2007-05-07 (Mon) - 2007-05-07 (Mon) 4-409, Department of Mathematics, Hokkaido University Kouhei IZUCHI ( COE Research Fellow, Hokkaido University)
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Symposium

NSC spring workshop 2007: Complex Dynamics in Physics, Chemistry and Biology2007-05-07 (Mon) - 2007-05-08 (Tue) RIES, E501
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Seminar on Group Theory

2007-05-07 (Mon) 13:00-14:30 Faculty of Science Building #4 Room 4-508 Naoki Chigira (MURORAN INSTITUTE OF TECHNOLOGY)J_2の作用する組合せ構造について

PDE Seminar

2007-05-07 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 KAWANO Shinji (Hokkaido Univ.)On uniqueness of positive solutions to semilinear elliptic equations
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Seminars on Arithmetic Geometry

2007-05-08 (Tue) 10:00-16:00 Faculty of Science Building #8 Room102 Yoichi Mieda(Tokyo University)An introduction to crystalline cohomology(1).(2)

Seminars on Arithmetic Geometry

2007-05-09 (Wed) 09:30-15:00 Faculty of Science Building #8 Room102 Yoichi Mieda(Tokyo University)An introduction to crystalline cohomology(3).(4)

Seminars on Arithmetic Geometry

2007-05-10 (Thu) 10:00-16:00 Faculty of Science Building #8 Room102 Shushi Harashita(Tokyo University)Zinkの論文紹介・The Display of a Formal p-Divisible Group(1).(2)

Seminars on Arithmetic Geometry

2007-05-11 (Fri) 11:00-17:00 Faculty of Science Building #8 Room102 Shushi Harashita(Tokyo University)Zinkの論文紹介・The Display of a Formal p-Divisible Group(3).(4)

Wave Seminar

2007-05-11 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Yu JIANG (Hokkaido Univ.)Mathematical Analysis of Magnetic Resonance Elastography
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NSC Seminar

2007-05-14 (Mon) 15:00-16:00 RIES, N502 Prof. Markus Baer (Mathematical Modeling and Data Analysis, Physikalisch-Technische Bundesanstalt (PTB), Berlin. Germany)Spots, Stripes and Spirals - Concepts of Pattern Formation in Biology
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PDE Seminar

2007-05-14 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 MAEKAWA Yasunori (Hokkaido Univ.)On a linearized operator of the equation for Burgers vortices
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Wave Seminar

2007-05-18 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 SAWADA Okihiro (Hokkaido Univ.)On time-local solvability of the Navier-Stokes equations for globally Lipschitz continuous initial data
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Symposium

Perspectives of Differential Analysis and Singularity Theory2007-05-21 (Mon) - 2007-05-22 (Tue) Room 4-508, Faculty of Science Building #4, Hokkaido University Organizers: Shuzo Izumi (Kinki University) and Goo Ishikawa (Hokkaido University)
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Lecture

Mathematics Analysis Special Lecture"非線形拡散方程式の諸課題A・B"2007-05-21 (Mon) - 2007-05-25 (Fri) Faculty of Science Building #3 Room508 Yoshikazu Giga(University of Tokyo)

Seminar on Group Theory

2007-05-21 (Mon) 13:00-14:30 Faculty of Science Building #3 Room 3-512 Yoshishige Onaga (Hokkaido Univ.)有限群の既約指標に付随するある不変量について

Lecture

Mathematics Analysis Special Lecture"情報幾何とその応用A・B"2007-05-28 (Mon) - 2007-05-31 (Thu) Faculty of Science Building#3 Room508 Shun-ichi Amari(RIKEN Brain Science Institute)

Seminar on Group Theory

2007-05-28 (Mon) 13:00-14:30 Faculty of Science Building #3 Room 3-512 Akira Kamijo (Hokkaido Univ.)Frobeniusの定理とIwasakiの定理について

PDE Seminar

2007-05-28 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 SATO Norifumi (Hokkaido Univ.)A simple proof of the Allen-Cahn equation to Brakke's motion
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Wave Seminar

2007-06-01 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 SAWADA Okihiro (Hokkaido Univ.)On time-local solvability of the Navier-Stokes equations for globally Lipschitz continuous initial data
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Symposium

International Conference for the 25th Anniversary of Viscosity Solution
2007-06-04 (Mon) - 2007-06-06 (Wed) University of Tokyo Shigeaki Koike (Saitama University) , Yoshikazu Giga (University of Tokyo) , Tohru Ozawa (Hokkaido University)
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Seminar on Group Theory

2007-06-04 (Mon) 13:00-14:30 Faculty of Science Building #3 Room 3-512 Tomoyuki Yoshida (Hokkaido Univ.)有限群上のランダムウォークと分割表の列挙問題

PDE Seminar

2007-06-04 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 JIMBO Shuichi (Hokkaido Univ.)特異的領域変形と固有値の摂動 II
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Seminar on Group Theory

2007-06-11 (Mon) 13:00-14:30 Faculty of Science Building #3 Room 3-512 Yasuhide Numata (Hokkaido Univ.)An extended Schur's lemma and its application

PDE Seminar

2007-06-11 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 Yuan Xiao Hui (Hokkaido Univ.)Heterogeneity-induced defect bifurcation and pulse dynamics for a three-component reaction diffusion system
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Seminars on Arithmetic Geometry

2007-06-12 (Tue) 10:00-16:00 Faculty of Science Building#8 Room307 Hiroshi Hagiwara(University of Tokyo)An introduction to A^1-homotopy theory (1)-(2)

The 13th COE Lecture Series ( Part 1)

2007-06-12 (Tue) 14:45-16:15 8-302, Department of Mathematics, Hokkaido University Kentaro SAJI ( Hokkaido University)Fronts and its singularities
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The 32thPDE Real Analysis Seminar (COE Partner Seminar)

2007-06-13 (Wed) 10:30-11:30 Graduate School of Mathematical Sciences the University of Tokyo, Room #056 Professor Walter Strauss (Brown University)Steady Water Waves with Vorticity
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Seminars on Arithmetic Geometry

2007-06-13 (Wed) 14:45-16:15 Faculty of Science Building #8 Room102 Hiroshi Hagiwara(University of Tokyo)An introduction to A^1-homotopy theory(3)-(4)

The 105thComplex Systems Seminar (Colloquium)

2007-06-13 (Wed) 15:00-17:00 aculty of Science Building #5 Room 5-301 James A. Yorke(University of Maryland)Surprising patterns emerge when "bisecting" proofs of theorems
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Seminars on Arithmetic Geometry

2007-06-14 (Thu) 10:00-16:00 Faculty of Science Building #8 Room102 Go Yamashita(Kyoto University)An introduction to p-adic Hodge theory (1)-(2)

The 13th COE Lecture Series ( Part 2)

2007-06-14 (Thu) 13:00-14:30 8-302, Department of Mathemaics, Hokkaido University Kentaro SAJI ( Hokkaido University)Fronts and its singularities
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Seminars on Arithmetic Geometry

2007-06-15 (Fri) 14:45-16:15 Faculty of Science Building #8 Room102 Go Yamashita(Kyoto University)An introduction to p-adic Hodge theory(3)-(4)

The 13th COE Lecture Series (Part 3)

2007-06-15 (Fri) 14:45-16:15 8-309, Department of Mathematics , Hokkaido University Kentaro SAJI ( Hokkaido University)Fronts and its singularities
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Wave Seminar

2007-06-15 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Hideo Kubo (Osaka Univ.)Decay estimates of a tangential derivative to the light cone and its application
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Over view

Lecture「自由群のマグナス展開と曲面の幾何学A・B」2007-06-18 (Mon) - 2007-06-18 (Mon) Faculty of Science Building#3 Room512 Nariya Kawazumi(Tokyo University)

Seminar on Group Theory

2007-06-18 (Mon) 13:00-14:30 Faculty of Science Building #4 Room 4-508 Masayuki Wajima (Hokkaido Institute of Technology) Irreducible product について

PDE Seminar

2007-06-18 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 KASAI Kouta (Hokkaido Univ.)Approximation of mean curvature flow by two-person game
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Lecture

「自由群のマグナス展開と曲面の幾何A・B」2007-06-19 (Tue) - 2007-06-22 (Fri) Faculty of Science Building #3 Room512 Nariya Kawazumi(University of Tokyo)

Wave Seminar

2007-06-22 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Yasunori MAEKAWA (Hokkaido Univ.)On a linearized operator of the equation for asymmetric Burgers vortices
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PDE Seminar

2007-06-25 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 KOBAYASHI Yasuaki (Hokkaido Univ.)Transition from a cluster to a loop in reaction-advection-diffusion systems
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NSC Seminar

2007-06-29 (Fri) 15:00-16:00 RIES, N502 Prof. Peter Gordon (New Jersey Institute of Technology)Propagation, quenching and blow up in porous media combustion
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Wave Seminar

2007-06-29 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Yasunori MAEKAWA (Hokkaido Univ.)On a linearized operator of the equation for asymmetric Burgers vortices
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The 106 thComplex Systems Seminar

2007-06-29 (Fri) 16:00-17:00 N508,RIES,Hokkaido University Edgar Koerner(Honda Research Institute Europe GmbH,D-63073 Offenbach)Intelligence for the humanoid robot ASIMO: A synthetic approach to understanding principles of processing in the brain
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Symposium

Representation Theory, Systems of Differential Equations and their Related Topics2007-07-02 (Mon) - 2007-07-06 (Fri) 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.)
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Lecture

藤田型方程式の解の挙動A・B2007-07-02 (Mon) - 2007-07-06 (Fri) Faculty of Science Building #3 Room508 Eiji Yanagida(Tohoku University)

Seminar on Group Theory

2007-07-02 (Mon) 13:00-14:30 Faculty of Science Building #3 Room 3-512 Yugen Takegahara (MURORAN INSTITUTE OF TECHNOLOGY)有限群の自由積における有限指数の部分群の個数について 

The 33rd PDE Real Analysis Seminar (COE Partner Seminar)

2007-07-04 (Wed) 10:30-11:30 Graduate School of Mathematical Sciences the University of Tokyo, Room #056 Professor Lars Diening (Universitat Freiburg)The Lipschitz truncation method
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Seminar on Group Theory

2007-07-09 (Mon) 13:00-14:30 Faculty of Science Building #3 Room 3-512 Fumihito Oda (Toyama National College of Technology)有限群の量子対表現環とVerlinde公式

2007-07-09 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 YOSHIDA Kazuki (Hokkaido Univ.)Identification of a non-convex obstacle for acoustical scattering
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Wave Seminar

2007-07-13 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Naoyasu Kita (University of Miyazaki)Asymptotic behavior of the solutions to some Schr\"{o}dinger equations including subcritical dissipative nonlinearities
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Seminar on Arithmetic Algebraic Geometry

2007-07-26 (Thu) 13:30-15:00 Faculty of Science Building #3 Room512 Kazushi Ueda(Osaka University)滑らかな3次曲線に沿った対数ベクトル場
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NSC Seminar

2007-07-26 (Thu) 14:00-15:30 北大電子研N502 Dr.Baofeng FengInteractions of localized coherent structures in nonintegrable dispersive systems
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Symposium

The 32nd Sapporo Symposium on Partial Differential Equations2007-08-24 (Fri) - 2007-08-26 (Sun) 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
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Symposium

Singularities in Geometry and Topology (Fourth Franco-Japanese Symposium on Singularities)
2007-08-27 (Mon) - 2007-08-31 (Fri) 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)
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Symposium

Nonlinear Wave Equations
2007-08-27 (Mon) - 2007-08-29 (Wed) 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.)
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Symposium

Sapporo Lectures on Representations in Lie Theory -An introduction and the beyond-2007-08-27 (Mon) - 2007-08-31 (Fri) Room 4-508, Faculty of Science Building #4, Hokkaido University Organizers: Kyo Nishiyama (Kyoto University), Hiroyuki Ochiai (Nagoya University), and Hiroshi Yamashita (Hokkaido University)
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Seminars on Arithmetic Geometry

2007-08-28 (Tue) 10:00-16:00 Faculty of Science Building #8 Room307 Kai-Wen Lan(Harvard University)Arithmetic compactifications of PEL-type Shimura varieties(1)-(2)
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Seminars on Arithmetic Geometry

2007-08-29 (Wed) 10:00-16:00 Faculty of Science Building #8 Room307 Kai-Wen Lan(Harvard University)Arithmetic compactifications of PEL-type Shimura varieties(3)-(4)
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Symposium

Harmonic Analysis and its Applications at Sapporo 20072007-09-02 (Sun) - 2007-09-04 (Tue) 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)
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Symposium

Algebraic and Arithmetic Structures of Moduli Spaces
2007-09-03 (Mon) - 2007-09-07 (Fri) Department of Mathematics, Hokkaido University Organizers: Iku Nakamura (Hokkaido University) and Lin Weng (Kyushu University)
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The 34thPDE Real Analysis Seminar (COE Partner Seminar)

2007-09-05 (Wed) 10:30-11:30 Graduate School of Mathematical Sciences the University of Tokyo, Room #056 Professor Reinhard Farwig (Darmstadt University of Technology)Regularity of Weak Solutions to the Navier-Stokes System beyond Serrin's Criterion
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Symposium

Workshop "Tropical Geometry and Related Topics"2007-09-10 (Mon) - 2007-09-12 (Wed) Room 4-508, Faculty of Science Building #4, Hokkaido University Organizers: Goo Ishikawa (Hokkaido University) and more
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Symposium

The 3rd Summer Seminars on Applied Mathematics: Computational Homology-Theory and Applications2007-09-12 (Wed) - 2007-09-14 (Fri) 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.
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The 107thComplex Systems Seminar

2007-09-27 (Thu) 13:30-15:00 N508, RIES, Hokkaido University Naoki Masuda (Graduate School of Information Science and Technology,The University of Tokyo)Formation of feedforward networks and frequency synchrony by STDP
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COE Lecture

2007-10-09 (Tue) 09:00-10:00 Faculty of Science Building #3 Room 311 Ginmo J. Chung (Hokkaido Univ.COE Research Fellow)COE Introductory Course `Introduction to variational models in image processing'
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Seminar on Group Theory

2007-10-15 (Mon) 13:30-14:30 Faculty of Science Building #4 Room 4-508 Kenichiro Tanabe (Hokkaido Univ.)頂点代数としての一変数多項式環の不変部分代数の表現 

PDE Seminar

2007-10-15 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 Kyoungsun Kim (Hokkaido Univ.) Identification of the discontinuity in the medium by thermal imaging
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Wave Seminar

2007-10-19 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Shinji Kawano (Hokkaido Univ.)On the maximum value of ground states to semilinear elliptic equations with double power nonlinearity
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Seminar on Group Theory

2007-10-22 (Mon) 13:00-14:30 Faculty of Science Building #3 Room 3-508 Naoki Chigira (MURORAN INSTITUTE OF TECHNOLOGY)群の可解性と群上の方程式 

PDE Seminar

2007-10-22 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 佐々木徹(岡山大学環境理工)病原体・免疫相互作用を記述するする数理モデルについて
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Wave Seminar

2007-10-26 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Shinji Kawano (Hokkaido Univ.)Uniqueness of positive radial solutions to semilinear elliptic equations with double power nonlinearity on an annulus
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Lecture

数理解析学特別講義「ギンズブルグ・ランダウ方程式;導出・正当化・応用 A・B」2007-10-29 (Mon) - 2007-11-02 (Fri) 北大理学部4号館508交流室 Kunimochi Sakamoto(Hiroshima University)

Seminar on Group Theory

2007-10-29 (Mon) 13:00-14:30 Faculty of Science Building #3 Room 3-508 Tomoyuki Yoshida (Hokkaido Univ.)有限群上のランダムウォークと統計への応用

Hyperplane Arrangement Seminar

2007-10-30 (Tue) 10:30-12:00 8-302, Faculty of Science Building #8, , Hokkaido University Masahiko Yoshinaga (Kobe University)On the extendability for some free multiarrangements
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Hyperplane Arrangement Seminar

2007-10-30 (Tue) 13:00-14:30 Room 8-302, Faculty of Science Bldg. #8, Hokkaido University Yukihito Kawahara (Keio Shiki Boys' Senior High School)Combinatorics of arrangements with non-vanishing
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Lecture

幾何学特別講義「線織面とその一般化A・B」2007-11-05 (Mon) - 2007-11-09 (Fri) Faculty of Science Building #3 Room508 Makoto Kimura(Shimane University)

Seminar on Group Theory

2007-11-05 (Mon) 13:00-14:30 Faculty of Science Building #4 Room 4-508 Yoshishige Onaga (Hokkaido Univ.)Products of Character values of Some p-Groups  

PDE Seminar

2007-11-05 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 Naoyuki Ichihara (Okayama Univ.)A dynamical approach to asymptotic solutions of Hamilton-Jacobi equations
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PDE Seminar

2007-11-08 (Thu) 16:30-17:30 Faculty of Science Building #8 Room 309 Luca Mugnai (Max Planck Institute for Mathematics in the Sciences)Approximation of the Helfrich's functional via Diffuse Interfaces
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Wave Seminar

2007-11-09 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Soichiro Katayama (Wakayama Univ.)The null condition and global existence for systems of wave and Klein-Gordon equations
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Lecture

数理解析学特別講義「非線形分散型波動方程式の漸近解析A・B」2007-11-12 (Mon) - 2007-11-16 (Fri) Faculty of Science Building#3 or #4 Nakao Hayashi(Osaka University)

Seminar on Group Theory

2007-11-12 (Mon) 13:00-14:30 Faculty of Science Building #4 Room 4-508 Masayuki Wajima (Hokkaido Institute of Technology)Character triple 入門

Special Seminar

2007-11-12 (Mon) 16:00-18:00 Research Institute of Electronic Science, Room N-508 Prof. Norihiro Izumi, (Hokkaido University) Morphodynamic Problems in Hydraulic Engineering
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Seminars on Arithmetic Geometry

2007-11-13 (Tue) 10:00-16:00 Faculty of Science Building #8 Room307 Masaki Hanamura(Tohoku University)サイクル理論の最近の発展とモティーフ理論(1)

Seminars on Arithmetic Geometry

2007-11-14 (Wed) 10:00-17:00 Faculty of Science Building #8 Room102 Masaki Hanamura(Tohoku University)サイクル理論の最近の発展とモティーフ理論(2)

Symposium

Mathematical Aspects of Image Processing and Computer Vision 20072007-11-15 (Thu) - 2007-11-17 (Sat) 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.)
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Seminars on Arithmetic Geometry

2007-11-15 (Thu) 10:00-16:00 Faculty of Science Building #8 Room102 Yuichiro Takeda(Kyushu University)The Zagier conjecture and Explicit regulator maps(1)

Seminars on Arithmetic Geometry

2007-11-16 (Fri) 10:00-16:00 Faculty of Science Building #8 Room101 Yuichiro Takeda(Kyushu University)The Zagier conjecture and Explicit regulator maps(2)

Lecture

代数学特別講義「球の詰め込み問題と代数的組合せ論入門A・B」2007-11-19 (Mon) - 2007-11-22 (Thu) Faculty of Science Building #3or #4 Eiichi Bannai(Kyushu University)

The 14thCOE Lecture Series

2007-11-19 (Mon) 13:00-14:30 Room No. 311, Building #3 Satoshi MinabeRecent developments in open mirror symmetry (part1)
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Colloquium

2007-11-19 (Mon) 16:30-17:30 Faculty of Science Building #3 Room508 Yoshihiro Tonegawa(Hokkaido University)ぼやかした界面の変分問題と幾何学
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The 14thCOE Lecture Series

2007-11-20 (Tue) 16:30-18:00 Room No. 311, Building #3 Satoshi MinabeRecent developments in open mirror symmetry (part2)
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The 14th COE Lecture Series

2007-11-21 (Wed) 16:30-18:00 Room No. 409, Building #4 Satoshi MinabeRecent developments in open mirror symmetry (part 3)
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PDE Seminar

2007-11-26 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 Shota SATO (Tohoku Univ.)Existence of Solutions with Moving Singularities for a Semilinear Parabolic Equation
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The 108th Complex Systems Seminar

2007-11-28 (Wed) 13:00-16:00 N508, RIES, Hokkaido University Masatoshi FUNABASHI(Centre de Recherche en Episte'mologie Applique'e Ecole Polytechnique)、Akira MASUMI(JAIST)Masatoshi FUNABASHI : Synthetic Modeling of Intrinsic Learning with Chaotic Neural Network(CNN)、Akira MASUMI : TBA
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The 2ndSeminars on Mathematical Hydrospheric Environments

2007-11-29 (Thu) 16:00-18:00 Faculty of Science Building #8 Room 309 Prof. Takashi Amemiya, (Yokohama National University) Theory and practice of mathematical science for lake-ecosystem management
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Wave Seminar

2007-11-30 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Kazuki YOSHIDA (Hokkaido Univ.)Identification of a non-convex obstacle for acoustical scattering
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Lecture

数理解析学特別講義「金融工学と保険数理A・B」2007-12-03 (Mon) - 2007-12-07 (Fri) Faculty of Science Building #3 or #4 Kei Fukuda(Japan Credit Rating Agency, Ltd.)

The 15thCOE Lecture Series

2007-12-03 (Mon) 13:00-14:30 Room No. 307, Building #8 Shin HattoriRamification theory and finite flat Galois representations (part 1)
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Seminar on Group Theory

2007-12-03 (Mon) 13:00-14:30 Faculty of Science Building #4 Room 4-508 Hiroki Sasaki (Shinshu Univ.)直既約加群とブロックのソースべき等元

The 16thMathematics for various disciplines (COE Partner Seminar)

2007-12-04 (Tue) 15:00-16:00 Graduate School of Mathematical Sciences the University of Tokyo, Room #122 Pavel Krejci (Weierstrass Institute for Applied Analysis and Stochastics)Quasilinear hyperbolic equations with hysteresis
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The 16thMathematics for various disciplines (COE Partner Seminar)

2007-12-04 (Tue) 16:15-17:15 Graduate School of Mathematical Sciences the University of Tokyo, Room #122 Victor Isakov (Wichita State UniversityCarleman estimates for second order operators with two large parameters
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The 15thCOE Lecture Series

2007-12-05 (Wed) 10:30-12:00 Room No. 307, Building #8 Shin HattoriRamification theory and finite flat Galois representations (part 2)
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The 15thCOE Lecture Series

2007-12-06 (Thu) 10:30-12:00 Room No. 307, Building #8 Shin HattoriRamification theory and finite flat Galois representations (part 3)
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Wave Seminar

2007-12-07 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Kazuki Yoshida (Hokkaidoa Univ.)Identification of a non-convex obstacle for acoustical scattering II
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Lecture

代数学特別講義「導来圏入門A・B」2007-12-10 (Mon) - 2007-12-14 (Fri) Faculty of Science Building #3 or #4 Jun-ichi Miyachi(Tokyo Gakugei University)

Seminar on Group Theory

2007-12-10 (Mon) 13:00-14:30 Faculty of Science Building #4 Room 4-508 Yugen Takegahara (MURORAN INSTITUTE OF TECHNOLOGY)On the wreath Burnside rings 

PDE Seminar

2007-12-10 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 Michinori Ishiwata (Muroran Institute of Technology)A remark on the asymptotic behavior of time global solutions for a semilinear parabolic equation involving critical Sobolev exponent
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Wave Seminar

2007-12-14 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Reika Fukuizumi (Hokkaido Univ.)A stochastic NLS arising in Bose Einstein condensation
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PDE Seminar

2007-12-17 (Mon) 16:30-17:30 Faculty of Science Building #8 Room 309 Reika Fukuizumi (Hokkaido Univ.)Drift and finite-width instability of a NLS soliton by defects
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Wave Seminar

2007-12-21 (Fri) 16:00-17:30 Faculty of Science Building #4 Room 409 Toshio Mikami (Hiroshima Univ.)Marginal problems via stochastic control and related functional equations
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Symposium

Conference on Function Spaces 20072007-12-24 (Mon) - 2007-12-26 (Wed) Tokyo University of Science Organizers: Shizuo Miyajima (Tokyo University of Science) and Takahiko Nakazi (Hokkaido University)
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21st Century COE Program : Mathematics of Nonlinear Structure via Singularity