Symposium, 研究集会，セミナー　

　　２０００年以降

●Workshop on Galois points and related topics (2010, June 4-7)

●アフィン代数幾何学研究集会 (2010, March 4-7)

●Polish-Japsnese  Singularity Theory  Working Days 　Kazimierz Dolny, Poland

●アフィン代数幾何学研究集会 (2009, March 16-18)

●Branched Coverings, Degenerations, and Related Topics (2009, March 9-12) slide of talk

●代数幾何ミニ研究集会 (2009, March 2-3)

●Affine Algebraic Geometry (2008, December 22-28)

●Workshop on Galois points and related topics (2008, June 6-9)

●Workshop on Galois points and related topics (2007, June 30-1)

●射影多様体の幾何とその周辺 (2006, Nov. 3-5)

●Seminar on Algebraic Geometry at Gent (2006, Sep. 13)

●Symposium on Algebraic Geometry in Sado (2006, June 5-8)

●代数幾何学講演会，埼玉大学  (2006, July, 11)

●シンポジウム「代数曲線論」 神奈川工科大学 (2004, Dec. 11-12)

●シンポジウム「代数幾何と位相幾何の周辺」早稲田大学（2004. 11.29-12.2）

●可換代数と代数幾何学 at 高知

●Algebraic curves, monodrymy and related topics (2004, April 1-4) at Milano

●Symposium on Algebraic Geometry at Niigata 2004 (2004, Feb. 4-6)

●Lecture at Politecnico di Milano, 2003,11,20

●新潟大学代数幾何セミナー  (2003,04,03)

●代数幾何小研究会　新潟　2002 Mini symposium on algebraic geometry at Niigata November 29, 2002

●Lecture at Pavia Univetsity, 2000, 10, 24

●Lecture at Pavia University, 2000, 10, 19