Position Professor
Degree Ph.D., (Engineering), University of Tokyo
Specialty Operations Research
Current Research Interests Stochastic simulation Mathematical modeling
  • Professional Career

1989 Tonen Corporation
1995 Research Associate, University of Tokyo
2000 Associate Professor, GRIPS
2008 Professor, GRIPS


  • Selected publications
H. Morohosi, Measuring the network robustness by Monte Carlo estimation of shortest path length distribution, Mathematics and Computers in Simulation, Vol. 81, pp. 551-559, 2010.

H. Morohosi, "A case study of optimal ambulance location problems," Operations Research and its Applications (The Sixth International Symposium, ISORA’08 Proceedings), X.-S. Zhang, D.-G. Liu, and L.-Y. Wu (eds.), pp. 125-130, 2008

H. Ashida, H. Morohosi, and T. Oyama, Applying network flow optimization techniques for measuring the robustness of water supply network system in Tokyo, Operations Research and its Applications(The Sixth International Symposium, ISORA’06 Proceedings), X.-S. Zhang, D.-G. Liu, and L.-Y. Wu (eds.), pp. 22-34, World Publishing, 2006.

T. Oyama and H. Morohosi, Applying the shortest-path-counting problem to evaluate the importance of city road segments and the connectedness of the network-structured system, International Transactions in Operations Research, Vol. 11, pp. 555-573, 2004.

H. Morohosi and T. Oyama, Stable connectivity of networks and its Monte Carlo estimation, in Monte Carlo and Quasi-Monte Carlo Methods 2002, H. Niederreiter (eds.), pp. 357-366, Springer-Verlarg, 2004.

H. Morohosi and M. Fushimi, Quasirandom tree method for pricing American style derivatives, J. Operations Research Society of Japan, Vol. 45, No.4, pp. 426-434, 2002.

H. Morohosi and M. Fushimi, Designing asymptotically random GFSR sequences, OR Transactions, Vol. 4, No. 2, pp. 7-18, 2000.

H. Morohosi and M. Fushimi, A practical approach to the error estimation of quasi-Monte Carlo integrations, Monte Carlo and Quasi-Monte Carlo Methods 1998, H. Niederreiter and J. Spanier (eds.), pp. 377-390, Springer, 2000.
  • Social contributions
Associate Editor, Bulletin of the Japan Society for Industrial and Applied Mathematics (2001-2004)
Associate Editor, Journal of the Operations Research Society of Japan (2006-2009)
  • E-mail: morohosi

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