a good day

Numberjedi

Mathematician working in algebraic geometry. Recently on vanishing theorems in positive characteristic, using Witt vectors. I speak Japanese, Mandarin Chinese, English and German.

Research

  • Vanishing and a counterexample for Witt divisorial sheaves [arXiv] (submitted)
  • Duality for Witt-divisorial sheaves, Arkiv för Matematik, 60 (1), 107-124 (2022) [doi] [arXiv]

Organizer

A few select invited talks

  • Counterexamples for vansihing of Witt divisorial sheaves, 第５会代数学の萌芽, Tokyo University of Science (2026.1)
  • Vanishing of nef and big Witt-divisorial sheaves in positive characteristic The 23rd Affine Algebraic Geometry Meeting, Niigata University (2025.3)
  • Panel discussion “Research Experience Abroad”, Catch-all Mathematical Colloquium of Japan, during MSJ Autumn Meeting 2024, Osaka Univeristy (2024.9)
  • Vanishing and duality of Witt-divisorial sheaves in char p, 特異点セミナー, Nihon University (2023.11)

CV

  • DSc from Waseda University under Prof. Hajime Kaji (2026)
  • Research Associate at Waseda University (2023-2026)
  • Doctoral candidate at Waseda University (2019-2023)
  • MSc from Waseda University (2019)
  • BSc from National Taiwan University (2017)

Calligraphy

5th Dan of Takasaki Shodo Kai (高崎書道会); alumni of the Waseda Shodo Kai (早稲田書道会OB).

「詠梅」

Mountains

I’d live in the mountains if I could.

another good day

Contact

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