Keio University · Faculty of Economics / Graduate School of Economics · 准教授

Research keywordsrobust statistics・sparse estimation・high-dimensional inference・Gaussian graphical models・covariance matrix regularization・portfolio optimization・sparse regression・clustering algorithms

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• Adaptively Robust and Sparse K-means Clustering2024 · Transactions on Machine Learning Research 2024 2024年
• Positive-definite modification of a covariance matrix by minimizing the matrix ℓ∞ norm with applications to portfolio optimization2021 · AStA Advances in Statistical Analysis
• Computational and Statistical Analyses for Robust Non-convex Sparse Regularized Regression Problem2019 · Journal of Statistical Planning and Inference
• Robust and sparse Gaussian graphical modeling under cell-wise contamination2018 · Stat

• スパースモデリングによる発見的統計手法の開発2018 · -
• スパース正則化法による複雑高次元データ解析法の確立2015 · -
• 高次元データに対する統計的推測の研究2011 · -
• 大規模複雑データの理論と方法論の革新的展開

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