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2001 Fiscal Year Final Research Report Summary

Stability of solution and reconstruction in inverse problems

Research Project

Project/Area Number 11440025
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field General mathematics (including Probability theory/Statistical mathematics)
Research InstitutionThe University of Tokyo

Principal Investigator

YAMAMOTO Masahiro  School of Math. Sci., The University of Tokyo, Prof., 大学院・数理科学研究科, 助教授 (50182647)

Co-Investigator(Kenkyū-buntansha) USHIJIMA Teruo  The University of Electro-Communications, Dept. Comp. Sci., Professor, 電気通信学部, 教授 (10012410)
SAITOH Saburo  Gunma University, Faculty of Engineering, Professor, 工学部, 教授 (10110397)
KAWARADA Hideo  Chiba University, Faculty of Engineering, Professor, 工学部, 教授 (90010793)
MIYOSHI Tetsuhiko  Yamaguchi University, Dept. of Math. Sci., Professor, 理学部, 教授 (60040101)
KAKO Takashi  The University of Electro-Communications, Dept. Comp. Sci., Professor, 電気通信学部, 教授 (30012488)
Project Period (FY) 1999 – 2001
Keywordsstability / inverse problem / impedance tomography / free boundary problem / finite element / multile precision / Kalman filter
Research Abstract

This project aims at mathematical analysis and numerical analysis based on the mathematical analysis for inverse problems in applied sciences, Moreover we have studied related problems in applications, from the viewpoint of inverse problems, and prepared possible numerical methods.
We conclude that by this project, we have established satisfactory theoretical results. Moreover, as for the development of numerical methods on the basis of the theoretical aspects, several methods have been proposed and tested for numerical examples. Still we have not compared the numerical results with real data directly from the real worlds such as works or plants. Therefore the continuation of this kind of projects are strongly demanded.
For researches of related problems with inverse problems, the participants have achieved remarkable results by their own specialities.
We have held several surveys concerning inverse problems by foreign researchers and taken part in international conferences on inverse problems for presenting the outputs of this project.
With results obtained by this project, M. Yamamoto et al. have published a monograph on the mathematics and the numerical methods of inverse problems.
Onishi, Tosaka, Iso, Kawarada, Miyoshi, Kimura, Ushijima and Kako have worked for inverse problems and related problems in applied sciences, from numerical points of view. Nakamura, Saitoh, Ikehata, Tanuma, Kubo have worked for theoretical aspects of inverse problems.

  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] 山本 昌宏: "Uniqueness and stability in muicidimensional hyperbolic inverse problems"J. Math. Pures Appl.. 78. 65-98 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] R.Gorenflo: "Operator theoretical treatment of linear Abel integral equations of first kind"Japan J. Inductional Appl. Math.. 16. 137-161 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Jim Cheng: "An inverse contact problem in the theory of elasticity"Math. Methods in Appl. Sci.. 22. 1001-1015 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] A.L.Buklgeim: "Conditional stability in an inverse boudary problem of determining non-smooth boundary"J. Math. Ancl. Appl.. 242. 57-74 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] D.P.Ang: "Crack identification in plane nonhomogeueous isotropic elasticity"J. Elasticity. 56. 199-212 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] G.Bruckner: "On an operator equation with noise in the operator and the right-hand side with application to an inverse vibration problem"Z. Angewandte Math. Meck.. 80. 377-388 (2000)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 登坂 宣好: "逆問題の数理と解法"東京大学出版会. 294 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] YAMAMOTO, M: "Uniqueness and stability in multidimensional hyperbolic inverse problems"J. Math. Pures Appl. 78. 65-98 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] GORENFLO, R. and YAMAMOTO, M.: "Operator theoretical treatment of linear Abel integral equations of first kind"Japan Journal of Industrial and Applied Mathematics. 16. 137-161 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] CHENG, J., XU, D. and YAMAMOTO, M.: "An inverse contact problem in the theory of elasticity"Math. Method in Appl. Sci.. 22. 1001-1015 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] BUKHGEIM, A.L., CHENG, J. and YAMAMOTO, M.: "Conditional stability in an inverse problem of determining non-smooth boundary"J. Math. Anal. Appl.. 242. 57-74 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] ANG, D.D., TRONG, D.D. and YAMAMOTO, M.: "Crack identification in plane nonhomogeneous isotropic elasticity"J. Elasticity. 56. 199-212 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] BRUCKNER, G. and YAMAMOTO, M.: "On an operator equation with noise in the operator and the right hand side with application to an inverse vibration problem"ZAMM Z. Angew. Math. Mech.. 80. 377-388 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] TOSAKA, N., ONISHI, K. and YAMAMOTO, M.: "Mathematics and Solutions of Inverse Problems"Tokyo Daigaku Syuppan Kai.. (1999)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2003-09-17  

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