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Research

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Field of Study

○ Optimization Theory

Subject of Study

○ stochastic differential equation and nonlinear DP equation (optimization, Markov process, stochastic differential equation) (不確定な現象の確率過程によるモデル化とその数学的な解析．確率微分方程式を用いた確率生産計画とファイナンス理論の研究．)

Book / Paper

Book:

1. Shin-ichi Nakayama, Hidekazu Kakei, Toshiaki Itoh and Mamoru Ohashi :
情報科学入門,
GAKUJUTU TOSHO SHUPPAN-SHA, Tokyo, Apr. 2007.
2. Mamoru Ohashi, Toshiaki Itoh, Shin-ichi Nakayama, Taro Mori and Hidekazu Kakei :
マスターしよう情報リテラシー,
GAKUJUTU TOSHO SHUPPAN-SHA, Tokyo, Apr. 2003.
3. Mamoru Ohashi, Toshiaki Itoh and Shin-ichi Nakayama :
改訂版 これならできる情報リテラシー,
GAKUJUTU TOSHO SHUPPAN-SHA, Tokyo, Mar. 2001.
4. Mamoru Ohashi, Toshiaki Itoh and Shin-ichi Nakayama :
これならできる 情報リテラシー,
GAKUJUTU TOSHO SHUPPAN-SHA, Tokyo, Apr. 1999.
5. Mamoru Ohashi and 森本 宏明 :
これならわかる確率·統計セミナー,
GAKUJUTU TOSHO SHUPPAN-SHA, Tokyo, Apr. 1993.

Academic Paper (Judged Full Paper):

1. Mamoru Ohashi :
On Ergodic Control Problems for Optimal Stochastic Production Planning with Production Constraints,
Mathematical and Computer Modelling, Vol.31, No.12, 273-281, 2000.
(DOI: 10.1016/S0895-7177(00)00096-0,   Elsevier: Scopus)
2. Mamoru Ohashi :
Ergodic Control for Production Planning with Production Constraints,
Stochastic Models in Engineering, Technology and Management, 453-463, 1996.
3. Mamoru Ohashi and Keisuke Matsuda :
nタイプのエラーを考慮したソフトウェア最適リリース時間の性質について,
Transactions of Information Processing Society of Japan, Vol.36, No.2, 463-469, 1995.
4. Mamoru Ohashi :
On Stochastic Stability of Linear Systems with Random Parameters,
Stochastic Models in Engineering, Technology and Management, 438-443, 1993.
5. Morimoto H. and Mamoru Ohashi :
On Linear Stochastic Differential Games with Average Cost Criterions,
Journal of Optimization Theory and Applications, Vol.64, No.1, 127-140, 1990.
6. Mamoru Ohashi and Shunsuke Miyamoto :
Monotone Optimal Maintenance Policy for Markovian Deteriorating System with Minimal Repair,
Reliability Theory and Applications, 284-293, 1987.
7. Mamoru Ohashi :
Replacement Policy for Components in a Markovian Deteriorating System with Minimal Repair,
Journal of the Operations Research Society Of Japan, Vol.29, No.4, 249-264, 1986.
8. Mamoru Ohashi :
Optimal Replacement Policy for Components in a Coherent System under Jump Deterioration,
Stochastic Models in Reliability Theory, Vol.235, 163-176, 1984.
9. Mamoru Ohashi :
Group Replacement Policy for a Maintained Coherent System,
Journal of the Operations Research Society Of Japan, Vol.25, No.3, 228-236, 1982.
10. Mamoru Ohashi and Nishida T. :
Optimal Replacement Policy for Two-Unit System,
Journal of the Operations Research Society Of Japan, Vol.24, No.4, 283-294, 1981.
11. Mamoru Ohashi and Toshio Nishida :
A Two-Unit Paralleled System with General Distribution,
Journal of the Operations Research Society Of Japan, Vol.23, No.4, 313-324, 1980.
12. Mamoru Ohashi, M J. Huang and Toshio Nishida :
Stochastic Behavuour of a Two-Unit Paralled System,
Microelectronics and Reliability, Vol.20, No.4, 471-476, 1980.
13. Mamoru Ohashi and Toshio Nishida :
Optimum Preventive Maintenance Policy for a 1-Unit System,
IEEE Transactions on Reliability, Vol.R-29, No.2, 1980.
14. Koichi Adachi, Masanori Kodama and Mamoru Ohashi :
k-out-of-n:G System with Simultaneous Failure and Three Repair Policies,
Microelectronics and Reliability, Vol.19, No.4, 351-361, 1979.
15. Mamoru Ohashi, (名) K.Adachi and (名) M.Kodama :
故障過程と修理過程が独立でないときの単一ユニット系の信頼性解析,
The Transactions of the Institute of Electronics, Information and Communication Engineers A, Vol.62-A, No.7, 428-435, 1979.
16. Mamoru Ohashi, Koichi Adachi and Masanori Kodama :
Optimum Preventive Maintenance Policy for Two-Unit Priority Standby Redundant System with Minimal Repair,
Microelectronics and Reliability, Vol.18, No.6, 535-538, 1979.

Academic Paper (Unrefereed Paper):

1. Mamoru Ohashi :
マルコフ決定過程に対するQ-learning について,
RIMS Kokyuroku, Vol.1306, No.0, 101-108, 2003.
(CiNii: 1520009410029872640)
2. Mamoru Ohashi and 大村 泰宏 :
ランダム経路制御を考慮した待ち行列ネットワーク,
RIMS Kokyuroku, Vol.1252, No.0, 82-88, 2002.
(CiNii: 1520290885016648192)
3. Mamoru Ohashi :
Ergodic Control in a Single Production Manufacturing System,
RIMS Kokyuroku, Vol.947, 1-12, 1996.
4. Mamoru Ohashi :
Stochastic Production Planning について,
RIMS Kokyuroku, Vol.899, 224-232, 1995.
5. Mamoru Ohashi :
Production Planning Model について,
愛媛大学工学部紀要, Vol.14, 543-551, 1995.
6. Mamoru Ohashi :
Simple Production Planning Model について,
RIMS Kokyuroku, Vol.864, 31-40, 1994.
7. Mamoru Ohashi :
ランダムパラメータをもつ線形システムについて,
愛媛大学工学部紀要, Vol.13, 593-602, 1994.
8. Mamoru Ohashi :
On Markovian Jump Linear Systems,
RIMS Kokyuroku, Vol.835, 173-180, 1993.
9. Mamoru Ohashi and Nishida T. :
Optimal Replacement for a binary Coherent System,
Research Reports of the Anan Technical College, Vol.20, 115-118, 1984.
10. Mamoru Ohashi :
Optimal Replacement Policy for a Two-Unit System under Additive Damage,
Research Reports of the Anan Technical College, Vol.18, 55-60, 1982.

Grants-in-Aid for Scientific Research (KAKEN Grants Database @ NII.ac.jp)

  • A reliability system analysis with stochastic differential equation and non-linear DP equation (Project/Area Number: 13680523 )
  • Study on Chaotic Time Series Data Analysis Method and Its Application (Project/Area Number: 12680440 )
  • 数値等角写像とその応用 (Project/Area Number: 06640317 )
  • 量子力学の方程式へのフーリエ積分作用素理論の応用 (Project/Area Number: 05640196 )
  • 等角写像と偏微分方程式の数値解析的研究 (Project/Area Number: 04640238 )
  • Search by Researcher Number (50141924)