Hironori Fujisawa

5 papers · 2018–2025 · 5 venues · across top CS/AI venues

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Achievements

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🌍 Conference Polyglot · Silver 🏃 Academic Marathon · Sprint 🌉 Interdisciplinary Bridge · Bronze 🗺️ Taxonomy Completionist (10) 🐣 Hot Topic Early Bird

Venues

AISTATS (1) ICML (1) IJCAI (1) JMLR (1) NeurIPS (1)

Top co-authors

Masaaki Takada (3) Taiji Suzuki (1) Ryosuke Nagumo (1) Takeichiro Nishikawa (1) Takeyuki Sasai (1)

Research topics

Machine Learning (5) Application Areas (3) Core Methods (3) Optimization & Theory (3) Artificial Intelligence (1) Deep Learning (1) Mathematics & Optimization (1) Learning Paradigms (1) Learning Types · Machine Learning (1) Learning Types · Deep Learning (1) Optimization (1)

Keywords

sparse regression (2) transfer learning (1) domain adaptation (1) robustness (1) sparse learning (1) parameter estimation (1) sparse estimation (1) covariance estimation (1) l1 regularization (1) density ratio estimation (1) lasso regression (1) high-dimensional regression (1) high-dimensional learning (1) linear regression (1) robust estimation (1) sparse linear regression (1) concentration inequality (1) outliers (1) high-dimensional data (1) heavy-tailed distribution (1)

Papers

Outlier Robust and Sparse Estimation of Linear Regression Coefficients JMLR 2025 Density Ratio Estimation with Doubly Strong Robustness ICML 2024 Transfer Learning via ℓ_1 Regularization NeurIPS 2020 HMLasso: Lasso with High Missing Rate IJCAI 2019 Independently Interpretable Lasso: A New Regularizer for Sparse Regression with Uncorrelated Variables AISTATS 2018