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Development of numerical computation brought by spectral theory and geometry

Research Project

Project/Area Number 18340034
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Basic analysis
Research InstitutionUniversity of Tsukuba

Principal Investigator

ISOZAKI Hiroshi  University of Tsukuba, 大学院・数理物質科学研究科, 教授 (90111913)

Co-Investigator(Kenkyū-buntansha) SASAKI Tateaki  筑波大学, 大学院・数理物質科学研究科, 教授 (80087436)
TAIRA Kazuaki  筑波大学, 大学院・数理物質科学研究科, 教授 (90016163)
WAKABAYASHI Seiichirou  筑波大学, 大学院・数理物質科学研究科, 教授 (10015894)
KAKEHI Tomoyuki  筑波大学, 大学院・数理物質科学研究科, 准教授 (70231248)
ITOU Kenichi  筑波大学, 大学院・数理物質科学研究科, 助教 (90512509)
NAKATA Susumu  立命館大学, 情報理工学部, 准教授 (00351320)
NAKAMURA Gen  北海道大学, 大学院・理学研究科, 教授 (50118535)
IKEHATA Masaru  群馬大学, 工学部, 教授 (90202910)
TANUMA Kazumi  群馬大学, 工学部, 准教授 (60217156)
IWATSUKA Akira  京都工芸繊維大学, 工芸科学研究科, 教授 (40184890)
TAMURA Hideo  岡山大学, 大学院・自然科学研究科, 教授 (30022734)
KATSUDA Atsushi  岡山大学, 大学院・自然科学研究科, 准教授 (60183779)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥15,370,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥2,070,000)
Fiscal Year 2008: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2007: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2006: ¥6,400,000 (Direct Cost: ¥6,400,000)
Keywords逆問題 / ディリクレ・ノイマン写像 / EIT / 散乱理論 / S行列 / 散乱行列 / 双曲計量 / シュレーディンガー方程式 / 双曲幾何学
Research Abstract

(1)3次元有界領域の表面の一部分におけるディリクレ・ノイマン写像から領域内部の包含物の位置を特定する逆問題のアルゴリズムを検証する数値計算を行い, 結果を3次元的に表示した.
(2)漸近的双曲多様体とWaveguideの例を含む非コンパクトな多様体上において一つのendに対応する散乱作用素から全体のリーマン計量を同定する問題を解決した.

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (51 results)

All 2009 2008 2007 2006

All Journal Article (29 results) (of which Peer Reviewed: 23 results) Presentation (22 results)

  • [Journal Article] A Fast Solver for 3D Meshless Analysis Based on RPIM2008

    • Author(s)
      K. Hasegawa, S. Nakata, S. Tanaka
    • Journal Title

      Theoretical and Applied Mechanics Japan Vol.56

      Pages: 439-444

    • NAID

      130004463656

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Inversion analysis for magnetic resonance elastography2008

    • Author(s)
      G. Nakamura, Y. Jiang, S. Nagayasu, and J. Cheng
    • Journal Title

      Appl. Anal 87, no.2

      Pages: 165-179

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Computing floating point Groebner basis with ill-conditine dness estimation,2008

    • Author(s)
      T. Sasaki and F. Kako
    • Journal Title

      Proc. Asian Symposium on Computer Mathematics. ASCM2007, LNAI 5081,

      Pages: 278-292

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Degenerate elliptic boundary. value problems with indefinite weights2008

    • Author(s)
      K. Taira
    • Journal Title

      Mediterannean Journal of Mathematics 5

      Pages: 133-162

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On the Cauchy problem for hyperbolic operators with nearly constant coefficient prineipal part2008

    • Author(s)
      S. Wakabayashi
    • Journal Title

      Funkcialaj Ekvacio 51

      Pages: 395-430

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Perturbation formulas for polarization ratio and Phaseshift of Raykeigh waves prestressed anisotropic media2008

    • Author(s)
      K. Tanuma and Chi-Sing Man
    • Journal Title

      Journal of Elasticity 92

      Pages: 1-33

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Semiclassical analysis for spectral shift functions in magnetic scattering by two solenoidal fields2008

    • Author(s)
      H. Tamura
    • Journal Title

      Rev. in Math. Phys. 20

      Pages: 1249-1892

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A fast solver for 3D meshless analysis based on RPIM2008

    • Author(s)
      K. Hasegawa, S. Nakata and S. Tanaka,
    • Journal Title

      Theoretical and Applied Mechanics Japan 56

      Pages: 439-444

    • NAID

      130004463656

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Unqu econtinuation for the elastic transversally isotropic dynamical systems and its application2008

    • Author(s)
      L. L. Ching, G. Nakamura and M. Sini
    • Journal Title

      J. Diff. Equations 245

      Pages: 3008-3024

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inversion analysis for magnetic resonance elastography2008

    • Author(s)
      G. Nakamura, Y. Jian, S. Nagayasu and J. Cheng
    • Journal Title

      Appl. Anal. 87

      Pages: 165-179

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] An inverse boundary value problem for nonlinear wave equatlon2008

    • Author(s)
      G. Nakamura and M. Watanabe
    • Journal Title

      Inverse Problems and Imaging 2

      Pages: 121-131

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The no-response approach and its relation to non-i:terative methods for the inverse scattering2008

    • Author(s)
      N. Honda, R. Potthasr, G. Nakamura and M. Sini
    • Journal Title

      Ann. Math. Pure Appl. 187

      Pages: 7-37

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inverse boundary value problems in the horosphere-A link between hyperbolic geometry and electrical impedance tomography2007

    • Author(s)
      H. Isozaki
    • Journal Title

      Inverse Problems And Imaging Vol 1 No 1

      Pages: 55-82

    • NAID

      120007131386

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Probing for electrical inclusions with complex spherical waves2007

    • Author(s)
      T. Ide, H. Isozaki, S. Nakata, S. Siltanen and G. Uhlmann
    • Journal Title

      CPAM Vol LX

      Pages: 1415-1442

    • NAID

      120007131385

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The d-bar-theory for inverse boundary value problems associated with Schroedinger operators on hyperbolic spaces2007

    • Author(s)
      H. Isozaki
    • Journal Title

      Publ. RIMS Kyoto Univ. 43

      Pages: 201-240

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] special invited exposition2007

    • Author(s)
      K. Tanuma, Stroh formalism and Rayleigh Waves
    • Journal Title

      Journal of Elasticity Vol.89

      Pages: 5-154

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Tighter bounds of errors of numerical roots2007

    • Author(s)
      T. Sasaki
    • Journal Title

      Japan J. Indus. Appl. Math. Vol 24

      Pages: 219-226

    • NAID

      10019541368

    • Related Report
      2008 Final Research Report
  • [Journal Article] Matti ; Stability of boundary distance representation and reconstruction of Riemannian manifolds2007

    • Author(s)
      A. Katsuda, Y. Kurylev, M.Lassas
    • Journal Title

      Inverse Problems and Imaging 1 no. 1

      Pages: 135-157

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Semiclassical analysis for magnetic scattering by two solenoidal fields : total cross sections2007

    • Author(s)
      H. Tamura
    • Journal Title

      Ann. Henri Poincare 8

      Pages: 1071-1114

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Remarks on hyperbolic systems of first order with constant coefficient characteristic polynomials2007

    • Author(s)
      S. Wakabaysi
    • Journal Title

      Osaka J. Math 44-2

      Pages: 367-397

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Inverse boundary value problems in the horosphere-A link between hyperbolic geometry and electrical impedance tomography2007

    • Author(s)
      H. Isozaki
    • Journal Title

      Inverse Problems and Imaging 1

      Pages: 107-134

    • NAID

      120007131386

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The d-bar theory for inverse problems associated with Schroedinger operators on hyperbolic spaces2007

    • Author(s)
      H. Isozaki
    • Journal Title

      Publi. RIMS Kyoto Univ. 43

      Pages: 201-240

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inverse scattering for waveguides2007

    • Author(s)
      H. Isozaki, Y Kurylev and M. Lassas
    • Journal Title

      Actes du seminaire de theorie spectrale et geometrie, Institute Fourier 25

      Pages: 71-83

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inverse boundary value problems in the horosphere-A link between hyperbolic geometry and electrical impendance tomography2007

    • Author(s)
      H.Isozaki
    • Journal Title

      Inverse Problems and Imaging Vol 1, No 1

      Pages: 107-134

    • Related Report
      2006 Annual Research Report
  • [Journal Article] The d-bar theory for inverse problems associated with Schroedinger operators on hyperbolic spaces2007

    • Author(s)
      H.Isozaki
    • Journal Title

      Publi. RIMS Kyoto Univ. VOL 43, No 1

      Pages: 201-240

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Moment conditions and support theorems for Radon transforms on affine Grassmann manifolds2006

    • Author(s)
      F. Gonzalez and T. Kakehi
    • Journal Title

      Advances in Mathematics 201

      Pages: 516-548

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Invariant differential operators and the range of the matrix Radon transform2006

    • Author(s)
      T.Kakehi, F.Gonzalez
    • Journal Title

      Journal of Functional Analysis Vol 241, No 1

      Pages: 232-267

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Two sides of probe method and obstacle with impedance boundary condition2006

    • Author(s)
      M.Ikehata
    • Journal Title

      Hokkaido Mathematical Journal Vol 35

      Pages: 659-681

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Stability of boundary distance representation and reconstruction of Riemannian manifolds2006

    • Author(s)
      A.Katsuda, Y.Kurylev, M.Lassas
    • Journal Title

      Inverse Problems and Imaging Vol 1, No 1

      Pages: 135-157

    • Related Report
      2006 Annual Research Report
  • [Presentation] Inverse scattering on Riemannian manifolds2009

    • Author(s)
      磯崎洋
    • Organizer
      CIRM conference
    • Place of Presentation
      Marseille
    • Year and Date
      2009-02-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Inverse scattering on Riemannian manifolds2009

    • Author(s)
      H. Isozaki, Y. Kurylev and M. Lassas
    • Organizer
      CIRM (Centre International de Rechereche Scientific) Conference if Inverse Problems
    • Place of Presentation
      Marseille (France)
    • Year and Date
      2009-02-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] Schroedinger equation on compact symmetric spaces2009

    • Author(s)
      T. Kakei
    • Organizer
      4th Algebra, Analysis, Geometry Seminar
    • Place of Presentation
      鹿児島大学 (鹿児島)
    • Year and Date
      2009-02-17
    • Related Report
      2008 Annual Research Report
  • [Presentation] Gauge equivalence and inverse scattering for Aharonov-Bohm effects2009

    • Author(s)
      磯崎洋
    • Organizer
      国際研究集会 Schrodinger Equations and Related Topics
    • Place of Presentation
      東大
    • Year and Date
      2009-01-09
    • Related Report
      2008 Final Research Report
  • [Presentation] Norm resolvent convergence to Schroedinger operators with singular magnetic fields supported by a circle2009

    • Author(s)
      A. Iwatsuka
    • Organizer
      Schroedinger operators and related topics
    • Place of Presentation
      東大 (東京)
    • Year and Date
      2009-01-07
    • Related Report
      2008 Annual Research Report
  • [Presentation] 半線形退化楕円型境界値問題のLP理論2008

    • Author(s)
      平良和昭
    • Organizer
      第17回関数空間セミナー特別講演
    • Place of Presentation
      東京理科大 (東京)
    • Year and Date
      2008-12-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] Inverse scattering on non-compact manifolds2008

    • Author(s)
      H. Isozaki,
    • Organizer
      スペクトル・散乱理論シンポジウム
    • Place of Presentation
      京都大学数理解析研究所 (京都)
    • Year and Date
      2008-12-04
    • Related Report
      2008 Annual Research Report
  • [Presentation] Perturbation and dispersion of Rayleigh waves in prestressed aniotropic elastic media2008

    • Author(s)
      K. TaRuma, C. S. Mang, G. Nakamura and S. Wang
    • Organizer
      2008 Taiwan-Japan Joint Workshop on Inversb Problems
    • Place of Presentation
      Academia Sinica (Taipei)
    • Year and Date
      2008-12-01
    • Related Report
      2008 Annual Research Report
  • [Presentation] Gelfand-Levitan理論, 境界制御法から逆散乱理論まで2008

    • Author(s)
      磯崎洋
    • Organizer
      Encounters in Mathematics
    • Place of Presentation
      中央大学
    • Year and Date
      2008-11-22
    • Related Report
      2008 Final Research Report
  • [Presentation] Perturbation and dispersion of Raylelgh waves aniotropic elastic media2008

    • Author(s)
      K. TaRuma, C. S. Mang, G. Nakamura and S. Wang
    • Organizer
      The International Conference on Inverse Problems and Applications
    • Place of Presentation
      The International Conference on Inverse Problems and Applications
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] Inverse scattering on Riemannian manifolds with several ends2008

    • Author(s)
      磯崎洋
    • Organizer
      The international conference on inverse problems and its application
    • Place of Presentation
      復旦大学
    • Year and Date
      2008-10-09
    • Related Report
      2008 Final Research Report
  • [Presentation] Inverse scattering on Riemannian manifblds with several ends2008

    • Author(s)
      H. Isozaki,
    • Organizer
      The international conference on inverse problems and applications
    • Place of Presentation
      復旦大学 (中国)
    • Year and Date
      2008-10-09
    • Related Report
      2008 Annual Research Report
  • [Presentation] Convergence domain of multivariate algebraic function2008

    • Author(s)
      T. Sasaki and D. Inaba
    • Organizer
      International Sympsium on Symbolic and Algebraic computation
    • Place of Presentation
      Linz (Austria)
    • Year and Date
      2008-07-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] 局所的な境界データからの包含物の同定2008

    • Author(s)
      S. Nakata, T. Ide, H. Isozaki, S. Sltanen, G. Uhlmann
    • Organizer
      第27回日本シミュレーミョン学会大会
    • Place of Presentation
      滋賀
    • Year and Date
      2008-07-20
    • Related Report
      2008 Annual Research Report
  • [Presentation] Norm resolvent convergence to Schroedinger operators with infinily thin toroidal magnetic fields2008

    • Author(s)
      A. Iwatsuka
    • Organizer
      Spectral and Scattering Theory for Quantu Magnetic Systems
    • Place of Presentation
      Luminey (France)
    • Year and Date
      2008-07-10
    • Related Report
      2008 Annual Research Report
  • [Presentation] Recent advancements in multivariate Hensel construction2008

    • Author(s)
      T. Sasaki
    • Organizer
      Conference on Milestone in Computer Algebra
    • Place of Presentation
      Trinidad-Tobago
    • Year and Date
      2008-05-02
    • Related Report
      2008 Annual Research Report
  • [Presentation] PIERS(Progress in Electromagnetics Research Symposium)2008 Hangzhou2008

    • Author(s)
      磯崎洋
    • Organizer
      Inverse scattering in a waveguide
    • Place of Presentation
      中国杭州
    • Year and Date
      2008-03-25
    • Related Report
      2008 Final Research Report
  • [Presentation] 双曲空間上の微分方程式に対する超局所解析と幾何解析2008

    • Author(s)
      磯崎洋
    • Organizer
      双曲空間上の波動方程式とスペクトル理論(連続講演)
    • Place of Presentation
      京都大学数理解析研究所短期共同
    • Related Report
      2008 Final Research Report
  • [Presentation] Inverse scattering for asymptoticallyEuclidean metric2007

    • Author(s)
      H.Isozaki
    • Organizer
      4^<th> Pacific RIM Conference(HongKong)
    • Place of Presentation
      HongKong
    • Year and Date
      2007-12-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Inverse boundary value problems and hyperbolic spaces2007

    • Author(s)
      磯崎洋
    • Organizer
      International Workshop on Applied Mathematics and Computational Science
    • Place of Presentation
      電通大
    • Year and Date
      2007-09-27
    • Related Report
      2008 Final Research Report
  • [Presentation] Inverse scattering for asymptotically Euclidean metric2007

    • Author(s)
      磯崎洋
    • Organizer
      St. Petersuburg
    • Place of Presentation
      Euler研究所
    • Year and Date
      2007-07-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 散乱理論と逆問題2006

    • Author(s)
      磯崎洋
    • Organizer
      日本数学会秋季総合分科会
    • Place of Presentation
      大阪市立大学
    • Year and Date
      2006-09-20
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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