### Invited lectures at conference and seminars (after 2000)

date | title of talk | title of conference and seminar | place |
---|---|---|---|

2000/June | Torelli problem for degenerating hypersurfaces | Internatinal Conference on Arithmetic Geometry | The Euler International Mathematical Institute, Russia. |

2000/July | Torelli problem for degenerating hypersurfaces | International Conference on Algebraic Geometry | Azumino Izumigo, Nagano, Japan. |

2000/September | Hodge theoretic approach to theory of mixed motives | European Research Conference on gNumber Theory and Arithmetic Geometryh | Obernai, France. |

2001/July | Application of Hodge theory to algebraic cycles | The Summer School hTrancendental Aspects of Algebraic Cyclesh | Institut Joseph Fourier, Grenoble, France. |

2002/June | Beilinsonfs Hodge and Tate conjectures | The Workshop hK-theory and algebraic cyclesh | University of Bologna, Italy. |

2002/July | Noether-Lefschetz problem for Beilinson-Hodge cycles | School and Conference on Algebraic K-theory and its Applications | The International Centre for Theoretical Physics (ICTP), Trieste, Italy. |

2003/June | Noether-Lefschetz locus for Beilinson-Hodge cycles | The Arithmetic, Geometry and topology of Algebraic Cycles | Instituto de Matematicas (UNAM), Morellia, Mexico. |

2004/September | Finteness results for motivic cohomology | Workshop Algebraic Cycles and Motives, Annual EAGER Conference in honor of Prof. J. P. Murre | Lorentz Center at University of Leiden, Netherland. |

2004/December | Finiteness results for motivic cohomology of arithmetic schemes | Arithmetic Geometry (in honor of Prof. Shioda) | University of Tokyo, Tokyo, Japan. |

2005/March | Algebraic cycles and Mumford-Griffiths invariants | Hodge theory and Log geometry | JAMI at The Johns Hopkins University, USA. |

2005/December | Homology theory of Kato type and motivic cohomology | Regulators II | Banff International Conference Center, Canada. |

2006/March | Weak Bloch-Beilinson conjecture for zero-cycles over local fields | Cohomological approaches to rational points | MSRI, Berkeley, USA. |

2006/May | Noether-Lefschetz problem for Beilinson-Hodge cycles on open surfaces | Antalya Algebra Days VIII | Antalya, Turkey. |

2006/September | Finiteness results for motivic cohomology of arithmetic schemess | Arithmetic Geometry | RIMS, Kyoto, Japan. |

2007/February | Surfaces over a p-adic field with infinite torsion in the Chow group of 0-cycles | Algebraic cycles, motives and A^1-homotopy theory over general bases | Regensburg, Germany. |

2007/May | Surfaces over a p-adic field with infinite torsion in the Chow group of 0-cycles | Workshop on the geometry of holomorphic and algebraic curves in complex algebraic varieties | CRM, Montreal, Canada. |

2007/June | Surfaces over a p-adic field with infinite torsion in the Chow group of 0-cycles | Algebraic K-theory and its Applications | ICTP, Trieste, Italy. |

2007/December | A conjecture of Colliot-Th'el`ene on zero-cycles over local fields | G'eom'etrie arithm'etique et vari'et'es rationnelles | CIRM, Luminy, France. |

2008/July | Roitman's theorem for 1-cycles on arithmetic schemes | Algebraic Geometry Seminar | University of Munich, Munich, Germany. |

2009/January | Finiteness results for motivic cohomology of arithmetic schemes | Quadratic forms, linear algebraic groups and cohomology | University of Hyderabad, Hyderabad, India. |

2009/August | Finiteness of motivic cohomology, cohomological Hasse principle, special values of zeta functions | Algebra Symposiam (plenary talk) | Meiji University, Tokyo, Japan. |

2010/July 19-23 | Equivariant weight homology and Mckay correspondence | Regulator III | University of Barcelona, Barcelona, Spain. |

2010/August 19-27 | Cohomological Hasse principle and motivic cohomology of arithmetic schemes | ICM 2010 | Hyderabad, India. |

2010/December 26-27 | Cohomological Hasse principle and resolution of singularities | Seoul-Tokyo Conferencce on Arithmetic and Algebraic Geometry | KIAS, Seoul, Korea. |

2011/January 18-21@ | Cohomological Hasse principle and resolution of singularities | Arithmetic and Algebtaic Geometry | University of Tokyo, Tokyo, Japan. |

2011/March 14-18 | Hasse principles from Brauer to Kato II | Spring School on higher dimensional class field theory | University of Mainz, Mainz, Germany. |

2012/February 15-18 | Cohomological Hasse principle and McKay principle | Arithmetic and Algebraic Geometry 2012 | University of Tokyo, Tokyo, Japan. |

2012/February 27-March 2 | Cohomological Hasse principle and McKay principle | Algebraic Cycles and L-Functions | Johannes Kepler Research Center, Regensburg, Germany. |

2012/October 29 | Algebraic cycles with moduli and ramification theory | Seminaire de theorie des nombres de l'IMJ | Chevaleret, Paris. |

2013/January 28-31 | Existence conjecture for smooth sheaves on varieties over finite fields | Arithmetic and Algebraic Geometry 2013 | University of Tokyo, Tokyo, Japan. |

2013/May 28-June 1 | Chow group of zero cycles with modulus and existence conjecture for lisse sheaves on varieties over finite fields | Homotopical methods in algebraic geometry | the University of Southern California, Los Angeles, USA. |

2013/June 24-28 | existence conjecture of smooth l-adic sheaves on varieties over finite fields | The second major congress organized by the Pacific Rim Mathematical Association (Plenary talk) | the Shanghai Jiaotong University, Shanghai, China. |

2013/July 22-26 | existence conjecture of smooth l-adic sheaves on varieties over finite fields | Pan Asia Number Theory conference | Vietnam Institute for Advanced Study in mathematics, Hanoi , Vietnam. |

2013/November 25-29 | Relative motivic complex with moduli | Motives in Tokyo, 2013 | Tokyo University, Tokyo, Japan. |

2014/March 24-28 | Relative motivic complex with modulus and regulator maps | Etale and Motivic Homotopy Theory | Heidelberg University, Heidelberg, Germany. |

2015/January 27-31 | K-theory of rigid spaces and topological Chow groups of algebraic varieties | Arithmetic and Algebraic Geometry 2015 | University of Tokyo, Japan. |

2015/July 13-31 | Motives with modulus, | AMS algebraic geometry summer institute 2015 | University of Utah, USA. |

2016/January 6-14@ | Motives with modulus, | International Colloquium on K-theory | Tata Institute of Fundamental Research, Mumbai, India. |

2016/April 3-8 | Purity for reciprocity sheaves, | Conference "Generalizations of A^1-Homotopy Invariance in Algebraic Geometry and Homotopy Theory'' | Haus Kranich, Zinnowitz, Germany. |

2016/August 1-5 | Purity for reciprocity sheaves, | International conference in K-theory | Western Sydney University, Australia. |

2017/April 4-14 | Purity of reciprocity sheaves and motive of modulus, | Conference "Algebro-geometric and homotopical methods'' | Institut Mittag-Leffler, Stockholm, Sweden. |

2017/May 15-19 | Rigid analytic K-theory, | Conference "K-theory in algebraic geometry and number theory'', | Hausdorff Research Institute for Mathematics, Bonn Germany. |

2017/August 20-16 | Motives with modulus and cdh descent for reciprocity sheaves, | Conference "Algebraic K-theory and Arithmetic'', | Polish Academy of Sciences Conference Center, Bedlewo, Poland. |

2017/December 4-6 | Motivic interpretation of Artin conductors, | Algebraic Geometry and Number Theory, Conference on the occasion of Jean-Louis Colliot-Thelene's 70th birthday | Villa Finaly, Firenze, Italia. |

2018/April 9-14 | Rigid analytic K-theory, | Arithmetic and Analysis, Conference on the occasion of Christopher Deninger's 60th birthday | University of Muenster, Muenster, Germany. |

2018/May 14-18 | Rigid analytic K-theory, | Conference "Motivic homotopy theory and refined enumerative geometry", | University of Duisburg-Essen, Essen, Germany. |

2018/September 10-14 | Rigid analytic K-theory and p-adic Chern characters, | Conference "Arithmetic Geometry : l-adic and p-adic aspects" , | University of Tokyo, Tokyo Japan. |

2018/September 10-14 | Rigid analytic K-theory and p-adic Chern characters, | Conference "Arithmetic Geometry : l-adic and p-adic aspects" , | University of Tokyo, Tokyo Japan. |

2018/October 1-5 | Rigid analytic K-theory and p-adic Chern characters, | Geometry: Local and Global, Conference on the occasion of Prof. V. Srinivas's 60-th birthday, | Tata Institute of Fundamental Research, Mumbai, India. |

2019/January 21-25 | Theory of motives with modulus, | Arithmetic and Algebraic Geometry 2019, Conference on the occasion of Prof. Terasoma's 60-th birthday, | University of Tokyo, Tokyo Japan. |

2019/March 18-22 | Rigid analytic K-theory and p-adic Chern characters, | Workshop on arithmetic geometry, Tokyo-Princeton at Komaba, | University of Tokyo, Tokyo Japan. |

2020/ February 11 | Theory of motives and ramification theory, | Enriques Lecture, Seminar of Geometry and Algebra, | University of Milano, Milan, Italy. |

2023/ March 13 | From higher dimensional class field theory to a new theory of motives, | Departmental Colloquia, University of Tokyo, | University of Tokyo, Tokyo Japan. |

2023/ March 17 | Generalized Weibel conjecture, | Seminario di Geometria Aritmetica, | University of Milano, Milan, Italy. |

2023/ September 21 | Recent progresses on motivic cohomology, | Plenary Lecture at MSJ Autumn meeting 2023, | Tohoku University, Sendai, Japan. |

2023/ November 15 | A pro-cdh topology and motivic cohomology of schemes, | Guest seminar Algebra and Topology, | University of Wuppertal, Wuppertal, Germany. |

2024/ March 18-22 | A pro-cdh topology on formal schemes, | Conference ''Motives in Mainz'', | Johannes Gutenberg-University Mainz, Mainz, Germany. |

2024/ May 27 | Pro-cdh descent for algebraic K-theory of derived schemes, | Guest seminar Algebra and Topology, | University of Wuppertal, Wuppertal, Germany. |

2024/July 1-5 | A pro-cdh topology and motivic cohomology of schemes, | Arithmetic Geometry, Algebraic Geometry and Analytic Geometry, Conference on the occasion of Prof. Fujiwara's 60-th birthday, | University of Tokyo, Tokyo Japan. |