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Seminar information archive
Seminar information archive ～05/21｜Today's seminar 05/22 | Future seminars 05/23～
thesis presentations
13:00-14:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Tetsuya ITO (Graduate School of Mathematical Sciences University of Tokyo)
Construction of invariant group orderings from topological point of view(位相幾何の視点からの群の不変順序の構成)
(JAPANESE)
Tetsuya ITO (Graduate School of Mathematical Sciences University of Tokyo)
Construction of invariant group orderings from topological point of view(位相幾何の視点からの群の不変順序の構成)
(JAPANESE)
thesis presentations
14:15-15:30 Room #118 (Graduate School of Math. Sci. Bldg.)
TIAN Ran (Graduate School of Mathematical Sciences University of Tokyo)
The explicit calculation of Čech cohomology and an extension of Davenport’s inequality(Čechコホモロジーの明示的計算とDavenport不等式の拡張)
(JAPANESE)
TIAN Ran (Graduate School of Mathematical Sciences University of Tokyo)
The explicit calculation of Čech cohomology and an extension of Davenport’s inequality(Čechコホモロジーの明示的計算とDavenport不等式の拡張)
(JAPANESE)
thesis presentations
09:45-11:00 Room #128 (Graduate School of Math. Sci. Bldg.)
Issei OIKAWA (Graduate School of Mathematical Sciences University of Tokyo)
Hybridized Discontinuous Galerkin Methods for Elliptic Problems(楕円型問題に対するハイブリッド型不連続ガレルキン法の研究)
(JAPANESE)
Issei OIKAWA (Graduate School of Mathematical Sciences University of Tokyo)
Hybridized Discontinuous Galerkin Methods for Elliptic Problems(楕円型問題に対するハイブリッド型不連続ガレルキン法の研究)
(JAPANESE)
thesis presentations
11:00-12:15 Room #128 (Graduate School of Math. Sci. Bldg.)
Satoshi YOKOYAMA (Graduate School of Mathematical Sciences University of Tokyo)
Two-dimensional stochastic Navier-Stokes equations derived from a certain variational problem(ある変分問題から導かれる二次元確率ナビエ・ストークス方程式)
(JAPANESE)
Satoshi YOKOYAMA (Graduate School of Mathematical Sciences University of Tokyo)
Two-dimensional stochastic Navier-Stokes equations derived from a certain variational problem(ある変分問題から導かれる二次元確率ナビエ・ストークス方程式)
(JAPANESE)
thesis presentations
13:00-14:15 Room #128 (Graduate School of Math. Sci. Bldg.)
Shinichiro ITOZAKI (Graduate School of Mathematical Sciences University of Tokyo)
Scattering Theory on Manifolds with Asympotically Polynomially Growing Ends(多項式増大する無限遠境界を持つ多様体上の散乱理論)
(JAPANESE)
Shinichiro ITOZAKI (Graduate School of Mathematical Sciences University of Tokyo)
Scattering Theory on Manifolds with Asympotically Polynomially Growing Ends(多項式増大する無限遠境界を持つ多様体上の散乱理論)
(JAPANESE)
thesis presentations
14:15-15:30 Room #128 (Graduate School of Math. Sci. Bldg.)
Shingo KAMIMOTO (Graduate School of Mathematical Sciences University of Tokyo)
On the exact WKB analysis of Schrödinger equations(Schrödinger方程式の完全WKB解析に関して)
(JAPANESE)
Shingo KAMIMOTO (Graduate School of Mathematical Sciences University of Tokyo)
On the exact WKB analysis of Schrödinger equations(Schrödinger方程式の完全WKB解析に関して)
(JAPANESE)
2012/02/02
Operator Algebra Seminars
16:30-18:00 Room #002 (Graduate School of Math. Sci. Bldg.)
Yusuke Isono (Univ. Tokyo)
Weak Exactness for $C^*$-algebras and Application to Condition (AO) (JAPANESE)
Yusuke Isono (Univ. Tokyo)
Weak Exactness for $C^*$-algebras and Application to Condition (AO) (JAPANESE)
thesis presentations
11:00-12:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Shinnosuke OKAWA (Graduate School of Mathematical Sciences University of Tokyo )
Studies on the geometry of Mori dream spaces(森夢空間の幾何学に関する研究) (JAPANESE)
Shinnosuke OKAWA (Graduate School of Mathematical Sciences University of Tokyo )
Studies on the geometry of Mori dream spaces(森夢空間の幾何学に関する研究) (JAPANESE)
thesis presentations
13:00-14:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Shun OKUBO (Graduate School of Mathematical Sciences University of Tokyo)
The p-adic monodromy theorem in the imperfect residue field case(剰余体が非完全な場合のp進モノドロミー定理について)
(JAPANESE)
Shun OKUBO (Graduate School of Mathematical Sciences University of Tokyo)
The p-adic monodromy theorem in the imperfect residue field case(剰余体が非完全な場合のp進モノドロミー定理について)
(JAPANESE)
thesis presentations
14:15-15:30 Room #118 (Graduate School of Math. Sci. Bldg.)
ZHANG Qizhi (Graduate School of Mathematical Sciences University of Tokyo)
On The Discrete Logarithm Problem in Finite Fields(有限体上の離散対数問題について)
(JAPANESE)
ZHANG Qizhi (Graduate School of Mathematical Sciences University of Tokyo)
On The Discrete Logarithm Problem in Finite Fields(有限体上の離散対数問題について)
(JAPANESE)
thesis presentations
15:45-17:00 Room #118 (Graduate School of Math. Sci. Bldg.)
Syohei MA (Graduate School of Mathematical Sciences University of Tokyo)
Rationality of the moduli spaces of 2-elementary K3 surfaces(対合付きK3曲面のモジュライの有理性)
(JAPANESE)
Syohei MA (Graduate School of Mathematical Sciences University of Tokyo)
Rationality of the moduli spaces of 2-elementary K3 surfaces(対合付きK3曲面のモジュライの有理性)
(JAPANESE)
thesis presentations
09:45-11:00 Room #128 (Graduate School of Math. Sci. Bldg.)
Ryohei KAKIZAWA (Graduate School of Mathematical Sciences University of Tokyo)
Determining nodes for semilinear parabolic evolution equations in Banach spaces(バナッハ空間上の半線型放物型発展方程式に対する確定節点)
(JAPANESE)
Ryohei KAKIZAWA (Graduate School of Mathematical Sciences University of Tokyo)
Determining nodes for semilinear parabolic evolution equations in Banach spaces(バナッハ空間上の半線型放物型発展方程式に対する確定節点)
(JAPANESE)
thesis presentations
11:00-12:15 Room #128 (Graduate School of Math. Sci. Bldg.)
SUN JuanJuan (Graduate School of Mathematical Sciences University of Tokyo)
Polynomial relations for q-characters via ODM/IM correspondence(ODE/IM対応を用いたq指標の多項式関係)
(JAPANESE)
SUN JuanJuan (Graduate School of Mathematical Sciences University of Tokyo)
Polynomial relations for q-characters via ODM/IM correspondence(ODE/IM対応を用いたq指標の多項式関係)
(JAPANESE)
thesis presentations
13:00-14:15 Room #128 (Graduate School of Math. Sci. Bldg.)
Yusaku CHIBA (Graduaate School of Mathematical Sciences University of Tokyo)
Entire curves in projective algebraic varieties(射影代数多様体内の正則曲線について)
(JAPANESE)
Yusaku CHIBA (Graduaate School of Mathematical Sciences University of Tokyo)
Entire curves in projective algebraic varieties(射影代数多様体内の正則曲線について)
(JAPANESE)
2012/02/01
PDE Real Analysis Seminar
10:30-11:30 Room #056 (Graduate School of Math. Sci. Bldg.)
Chun Liu (University of Tokyo / Penn State University)
Energetic variational approach: generalized diffusion, stochastic differential equations and optimal transport (ENGLISH)
Chun Liu (University of Tokyo / Penn State University)
Energetic variational approach: generalized diffusion, stochastic differential equations and optimal transport (ENGLISH)
[ Abstract ]
In the talk, I will explore the general framework of energetic variational approaches, which are the direct consequences of classical isothermal thermodynamics, and their particular applications in generalized diffusion problems. In particular, we reveal the roles of different stochastic integrations (Ito's form, Stratonovich's form and other possible forms) and the Wasserstein metric and the procedure of optimal transport in the context of general framework of theories of linear responses.
In the talk, I will explore the general framework of energetic variational approaches, which are the direct consequences of classical isothermal thermodynamics, and their particular applications in generalized diffusion problems. In particular, we reveal the roles of different stochastic integrations (Ito's form, Stratonovich's form and other possible forms) and the Wasserstein metric and the procedure of optimal transport in the context of general framework of theories of linear responses.
2012/01/31
Tuesday Seminar of Analysis
16:30-18:00 Room #128 (Graduate School of Math. Sci. Bldg.)
Michel Chipot (University of Zurich)
Obstacle problems in unbounded domains (ENGLISH)
Michel Chipot (University of Zurich)
Obstacle problems in unbounded domains (ENGLISH)
[ Abstract ]
We will present a formulation of obstacle problems in unbounded
domains when the energy method does not work, i.e. whenthe force does not belong to H^{-1}.
We will present a formulation of obstacle problems in unbounded
domains when the energy method does not work, i.e. whenthe force does not belong to H^{-1}.
2012/01/30
Algebraic Geometry Seminar
15:30-17:00 Room #122 (Graduate School of Math. Sci. Bldg.)
Yoshinori Gongyo (University of Tokyo)
On varieties of globally F-regular type (JAPANESE)
Yoshinori Gongyo (University of Tokyo)
On varieties of globally F-regular type (JAPANESE)
[ Abstract ]
I will talk about recent topics on varieties of globally F-regular type.
I will talk about recent topics on varieties of globally F-regular type.
Seminar on Geometric Complex Analysis
10:30-12:00 Room #128 (Graduate School of Math. Sci. Bldg.)
Damian Brotbek (University of Tokyo)
Differential equations as embedding obstructions and vanishing theorems (ENGLISH)
Damian Brotbek (University of Tokyo)
Differential equations as embedding obstructions and vanishing theorems (ENGLISH)
[ Abstract ]
Given a smooth projective variety $X$ it is natural to wonder what is the smallest integer $N$ such that one can embed $X$ into $\mathbf{P}^N$. In this talk I will first recall what can be said for any smooth projective variety, then I will explain how the existence of some particular differential equations on $X$ yields obstructions to the existence of some projective embeddings.
Given a smooth projective variety $X$ it is natural to wonder what is the smallest integer $N$ such that one can embed $X$ into $\mathbf{P}^N$. In this talk I will first recall what can be said for any smooth projective variety, then I will explain how the existence of some particular differential equations on $X$ yields obstructions to the existence of some projective embeddings.
2012/01/27
Colloquium
16:30-17:30 Room #123 (Graduate School of Math. Sci. Bldg.)
Taro YOSHINO (Graduate School of Mathematical Sciences, University of Tokyo)
On Topological Blow-up (JAPANESE)
Taro YOSHINO (Graduate School of Mathematical Sciences, University of Tokyo)
On Topological Blow-up (JAPANESE)
[ Abstract ]
Topological blow-up is a method to understand non-Hausdorff spaces. We define an obstruction to Hausdorffness, and call it crack. By `blowing up' the points in crack, we can obtain better space.
Topological blow-up is a method to understand non-Hausdorff spaces. We define an obstruction to Hausdorffness, and call it crack. By `blowing up' the points in crack, we can obtain better space.
2012/01/26
Operator Algebra Seminars
16:30-18:00 Room #117 (Graduate School of Math. Sci. Bldg.)
Catherine Oikonomides (Univ. Tokyo)
The transverse fundamental class of linear foliations
on torus bundles over the circle (ENGLISH)
Catherine Oikonomides (Univ. Tokyo)
The transverse fundamental class of linear foliations
on torus bundles over the circle (ENGLISH)
2012/01/24
Numerical Analysis Seminar
16:30-18:00 Room #002 (Graduate School of Math. Sci. Bldg.)
Takeshi Takaishi (Hiroshima Kokusai Gakuin University)
Phasefield model for crack simulation and its application (JAPANESE)
[ Reference URL ]
http://www.infsup.jp/utnas/
Takeshi Takaishi (Hiroshima Kokusai Gakuin University)
Phasefield model for crack simulation and its application (JAPANESE)
[ Reference URL ]
http://www.infsup.jp/utnas/
2012/01/23
Algebraic Geometry Seminar
15:30-17:00 Room #122 (Graduate School of Math. Sci. Bldg.)
Kimiko Yamada (Okayama university)
Sigularities and Kodaira dimension of the moduli of stable sheaves on Enriques surfaces (JAPANESE)
Kimiko Yamada (Okayama university)
Sigularities and Kodaira dimension of the moduli of stable sheaves on Enriques surfaces (JAPANESE)
[ Abstract ]
We shall estimate singularities of moduli of stable sheaves on Enriques/hyper-elliptic surfaces via the Kuranishi theory, consider when its singularities are canonical, and calculate its Kodaira dimension.
We shall estimate singularities of moduli of stable sheaves on Enriques/hyper-elliptic surfaces via the Kuranishi theory, consider when its singularities are canonical, and calculate its Kodaira dimension.
Seminar on Geometric Complex Analysis
10:30-12:00 Room #128 (Graduate School of Math. Sci. Bldg.)
Fuminori Nakata (Tokyo University of Science)
Twistor correspondence for R-invariant indefinite self-dual metric on R^4 (JAPANESE)
Fuminori Nakata (Tokyo University of Science)
Twistor correspondence for R-invariant indefinite self-dual metric on R^4 (JAPANESE)
GCOE lecture series
13:30-15:00 Room #122 (Graduate School of Math. Sci. Bldg.)
Mihai Paun (Institut Élie Cartan and KIAS)
TBA(中止になりました) (ENGLISH)
Mihai Paun (Institut Élie Cartan and KIAS)
TBA(中止になりました) (ENGLISH)
2012/01/20
Kavli IPMU Komaba Seminar
14:45-16:15 Room #056 (Graduate School of Math. Sci. Bldg.)
Albrecht Klemm (The University of Bonn)
Refined holomorphic anomaly equations (ENGLISH)
Albrecht Klemm (The University of Bonn)
Refined holomorphic anomaly equations (ENGLISH)
[ Abstract ]
We propose a derivation of refined holomophic
anomaly equation from the word-sheet point of
view and discuss the interpretation of the
refined BPS invariants for local Calabi-Yau
spaces.
We propose a derivation of refined holomophic
anomaly equation from the word-sheet point of
view and discuss the interpretation of the
refined BPS invariants for local Calabi-Yau
spaces.
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