Contact & Personal Information
| Business Address: |
Institute for Mathematics and Computer Science Tsuda University 2-1-1 Tsuda, Kodaira, Tokyo 187-8577, Japan |
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| Email: | 
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| URL: | https://hitoshi.ishii.w.waseda.jp/ |
| Date of Birth: | October 12, 1947 |
| Sex / Marital Status: | Male / Married |
| Nationality: | Japan |
Education
- Dr. S., Mathematics, June 1975
Waseda University, Tokyo, Japan - M.S., Mathematics, March 1972
Waseda University, Tokyo, Japan - B.S., Physics, March 1970
Waseda University, Tokyo, Japan
Employment
- 2022: Visiting Professor, Sapienza Università di Roma (April 13 - May 15), Italy
- 2019: Visiting Professor, Sapienza Università di Roma (May 6 - June 5), Italy
- 2018: Research Member (Hamiltonian systems, from topology to applications through analysis), MSRI, Berkeley, California (October 1 - October 30), USA
- 2018: Visiting Professor, Sapienza Università di Roma (May 5 - June 4), Italy
- 2018–present: Research Fellow, Tsuda University, Tokyo, Japan
- 2018–present: Emeritus Professor, Waseda University, Tokyo, Japan
- 2011–2014: Adjunct Professor, King Abdulaziz University, Saudi Arabia
- 2011: Visiting Professor (Visiting Lecturer), Collège de France, Paris, France (January)
- 2010–2011: Visiting Professor, CEREMADE, Université de Paris-Dauphine, Paris, France (December, February)
- 2010: Visiting Professor, University of Chicago, Chicago, IL, United States (September 15th - October 31st)
- 2001–2018: Professor, Waseda University, Tokyo, Japan
- 1996–2001: Professor, Tokyo Metropolitan University, Tokyo, Japan
- 1989–1996: Professor, Chuo University, Tokyo, Japan
- 1987–1988: Visiting Associate Professor, Brown University, Providence, R.I., United States
- 1982–1983: Visiting Scholar, University of Maryland, College Park, MD, United States
- 1981–1989: Associate Professor, Chuo University, Tokyo, Japan
- 1976–1981: Assistant Professor, Chuo University, Tokyo, Japan
- 1975–1976: Postdoctoral Fellow, Waseda University, Tokyo, Japan
Research Interests
Nonlinear partial differential equations, viscosity solutions, optimal control, differential games, surface evolution.
Membership & Editorial Board
Membership
- 1988–Present: American Mathematical Society
- 1972–Present: Mathematical Society of Japan
Editorial Board
- 1992–Present: Advances in Mathematical Sciences and Applications
- 1996–2018: Funkcialaj Ekvacioj
- 2000–Present: Nonlinear Differential Equations and Applications
- 2006–2010: Zeitschrift Für Analysis und ihre Anwendungen (ZAA)
- 2008–Present: Advances in Calculus of Variations
- 2010–Present: Analysis in Theory and Applications
- 2011–2026: Journal de Mathématiques Pures et Appliquées
- 2011–2018: Bulletin of Mathematical Sciences
- 2012–present: Palestine Journal of Mathematics
- 2021–2025: Minimax Theory and its Applications
Honors
- MSJ Autumn Prize
Awarded in 1994 by the Mathematical Society of Japan - ISI Highly cited researcher
Named in 2002 to the Thompson ISI list of Highly Cited Researchers in Mathematics - Fellow of the American Mathematical Society
Selected in 2012 by the American Mathematical Society - Okuma Memorial Academic Prize
Awarded in 2017 by Waseda University - MSJ Kodaira Kunihiko Prize
Awarded in 2019 by the Mathematical Society of Japan
Selected Lectures
- Invited speaker at ICM
International Congress of Mathematicians at Madrid, Spain, August 2006 - Invited Speaker at ICIAM
6th International Congress on Industrial and Applied Mathematics at Zurich, Switzerland, July 2007 - Conférenciers invités
Mathématiques et Science numériques, Collège de France, January 2011 - Two Hour Speaker at Rivière-Fabes Symposium 2011
The fourteenth Rivière-Fabes Symposium on Analysis and PDE, School of Mathematics, University of Minnesota, April 2011 - Wolfgang Wasow Lectures 2018
Department of Mathematics, University of Wisconsin-Madison, April 2018