Shihoko Ishii

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Shihoko Ishii
Nationality Japan
Alma materTokyo Metropolitan University
Known forSingularity theory
Scientific career
InstitutionsUniversity of Tokyo

Shihoko Ishii is a Japanese mathematician and professor at the University of Tokyo. Her research area is algebraic geometry.[1]


Ishii received her bachelor's degree from Tokyo Women's Christian University in 1973 and her master's degree from Waseda University in 1975. She earned her PhD from Tokyo Metropolitan University in 1983.[2]


Ishii's research focuses on singularity theory. She studies arc spaces, a mathematical concept related to jets: arc spaces are varieties encapsulating information about curves on another variety.[2]

Awards and honours[edit]

Ishii received the Saruhashi Prize for accomplishments by a Japanese woman researcher in the natural sciences in 1995.[3] As a postdoc, Ishii was inspired by reading a profile of Fumiko Yonezawa, a physicist and former winner of the Saruhashi prize.[2]

Ishii received the Algebra Prize from the Mathematical Society of Japan in 2011.[4]


  1. ^ "Ishii, Shihoko". MathSciNet. Mathematical Reviews. Retrieved 8 April 2017.
  2. ^ a b c "Shihoko Ishii". European Women in Mathematics. Retrieved 8 April 2017.
  3. ^ Sumiko Otsubo (2008). "Women Scientists and Gender Ideology". In Robertson, Jennifer. A Companion to the Anthropology of Japan. p. 474.
  4. ^ "Prizes by Research Sections". Mathematical Society of Japan. Retrieved 8 April 2017.