- 2022 - 2026 多項式環研究のための技法の整備と実用化
- 2018 - 2021 多項式自己同型の所属問題と関連領域の研究
- 2015 - 2019 Structural analysis of the automorphism group of a polynomial ring and its application
- 2012 - 2017 Structure of higher-dimensional algebraic varieties and unipotent geometry
- 2012 - 2016 Study of polynomial rings using higher derivations
- 2010 - 2015 The structure of affine algebraic varieties and the additive group actions
- 2009 - 2011 Study of polynomial rings : establishment of effective methods and their applications
- 2007 - 2008 Research on subrings and automorphisms of a polynomial ring
- 2004 - 2006 不変式と微分の組合せ論的研究
- 2002 - 2004 不変式の組合わせ論的研究
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