- 2008 - 2011 bounded cohomology and symplectic topology around mapping class groups
- 2005 - 2007 レフシェッツ束に関わるシンプレクティッフ・トポロジーと有界コホモロジー
- 2002 - 2005 Floor homology, singularities and deformation theory
- 1999 - 2001 Symplectic structures and singularities
- 1998 - 2001 Projective contact geometry and singularity theory
- 1999 - 2000 低次元のシンプレクティック多様体とコンタクト多様体の研究
- 1998 - 1999 Study of contact structures and foliations on 3-manifolds
- 1997 - 1999 The Index Theorem and Analytic Secondary Invariants in Symplectic Geometry
- 1997 - 1998 Study on symplectic structures and contact structures
- 接触多様体およびシンプレクティック多様体の研究
- Study of contact and symplectic manifolds
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