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徐培亮Peiliang Xu

Peiliang Xu

職階
Job Grade
助教
Assistant Professor
所属
Belong to
地震予知研究センター
RCEP
勤務地
Work at
京都大学防災研究所附属地震予知研究センター(宇治)
RCEP
領域
Discipline
地殻活動研究領域
Crustal Activity Evaluation
メール
Email
pxu@rcep.dpri.kyoto-u.ac.jp
pxu@rcep.dpri.kyoto-u.ac.jp
URL
URL
 
 

I obtained my PhD in geodesy from Wuhan University in 1989. After a number of years of doing research at Delft University of Technology, The Netherlands, Stuttgart University, Germany, The University of Calgary, Canada, and The National Research Institute of Earth Sciences and Disaster Prevention, Japan, I joined the Disaster Prevention Research Institute in 1997 as a Joshu.

研究内容
I have been working on linear and nonlinear inverse problem theory, random(stress/strain) tensors, global positioning systems (GPS) for very high precision positioning, deformation measurement analysis, mathematical and physical geodesy. More than 40 papers have been published in a number of journals, covering all of these subjects. A number of invited lectures/ talks/ seminars have been given at several universities and research institutions in Europe and Asia. My research interest also includes earthquake statistics, theoretical seismology, and earthquake dynamical simulations.

本の編集とBook Chapter
* Xu P.L., Liu J.N. & Dermanis A., 2008. Proceedings of VI Hotine-Marussi Symposium on Theoretical and Computational Geodesy, Springer, Berlin, 362 pages.
* Xu P.L., 2010. Mixed integer linear models, in: Handbook of Geomathematics, eds. W. Freeden, Springer, Berlin

論文
(62) Xu P.L., (2009). Iterative generalized cross-validation for fusing heteroscedastic data of inverse ill-posed problems, Geophysical Journal International, 179, 182-200, doi: 10.1111/j.1365-246X.2009.04280.x
(61) Xu P.L., (2009). Zero initial partial derivatives of satellite orbits with respect to force parameters violate the physics of motion of celestial bodies, Science in China Ser. D - Earth Science, 52, 562-566.
(60) Janak J., Fukuda Y. & Xu P.L., (2009). Application of GOCE data for regional gravity field modelling, Earth Planets Space, 61, 835-843.
(59) Xu P.L., (2008). Position and velocity perturbations for the determination of geopotential from space geodetic measurements, Celestial Mechanics and Dynamical Astronomy, 100, 231-249.
(58) Li B.F., Shen Y.Z. & Xu P.L., (2008). Assessment of stochastic models for GPS measurements with different types of receivers, Chinese Science Bulletin, 53, 3219-3225.
(57) Xu P.L., Liu Y., Shen Y. & Fukuda Y, (2007). Estimability analysis of variance and covariance components, Journal of Geodesy, 81, 593-602.
(56) Xu P.L., Shen Y.Z., Fukuda, Y. & Liu Y.M. (2007). Reply to the comments by K.-R. Koch and J. Kusche, Journal of Geodesy, 81, 633-635.
(55) Xu P.L., (2006). Voronoi Cells, Probabilistic Bounds and Hypothesis Testings in Mixed Integer Linear Models, IEEE Transactions on Information Theory, 52, 3122-3138.
(54) Xu P.L., Shen Y.Z., Fukuda, Y. & Liu Y.M. (2006). Variance Component Estimation in Inverse Ill-posed Linear Models, Journal of Geodesy, 80. 69-81.
(53) Xu P.L., Fukuda Y. & Liu Y. (2006). Multiple Parameter Regularization: Numerical Solutions and Applications to the Determination of Geopotential from Precise Satellite Orbits, Journal of Geodesy, 80, 17-27.
(52) Xu P.L., Ando, M. & Tadokoro, K., (2005). Precise, Three-dimensional Seafloor Geodetic Deformation Measurements Using Difference Techniques, Earth Planets Space, 57, 795-808.
(51) Xu P.L. (2005). Sign-constrained Robust Least Squares, Subjective Breakdown Point and the Effect of Weights of Observations on Robustness, J. Geodesy, 79, 146-159.
(50) Xu P.L. (2004). Determination of Regional Stress Tensors from Fault-slip Data, Geophys. J. Int., 157, 1316-1330.
(49) Xu P.L. (2004). Random Tensors with Applications in the Earth Sciences, J. Geod. Soc. Japan, 50, 1-15.
(48) Xu P.L. (2003). Nonlinear Filtering of Continuous Systems: Foundational Problems and New Results, J. Geodesy, 77, 247-256.
(47) Xu P.L., (2003), A Hybrid Global Optimization Method: The Multi-dimensional Case, J. comput. appl. Math., 155, 423-446.
(46) Xu P.L., (2003), Numerical Solution for Bounding Feasible Point Sets, J. comput. appl. Math., 156, 401-419.
(45) Xu P.L., (2002), New Challenges in Connection with Precise GPS Positioning, IAG Proc. 125, pp.359-364. (invited but fully reviewed)
(44) Xu P.L., (2002), Isotropic Probabilistic Models for Directions, Planes and Referentials, Proceedings of the Royal Society London, Series A, 458, 2017-2038.
(43) Xu P.L,, (2002), A Hybrid Global Optimization Method: One-dimensional Case, J. comput. appl. Math., 147, 301-314.
(42) Xu P.L., (2001), Random Simulation and GPS Decorrelation, J. Geodesy, 75, 408-423
(41) Xu P.L., Shimada, S., Fujii, Y. & Tanaka T., (2000), Geodynamical Value of Historical Geodetic Measurements, Earth Planets Space, 52, 993-997.
(40) Xu P.L., Shimada, S., Fujii, Y. & Tanaka T., (2000), Invariant Geodynamical Information in Geometric Geodetic Measurements, Geophys. J. Int., 142, 586-602.
(39) Xu P.L. & S. Shimada (2000), Least Square Estimation in Multiplicative Noise Models, Communications in Statistics, B29, 83-96.
(38) Xu P.L. (1999), Spectral Theory for Constrained Second-Rank Random Tensors, Geophys. J. Int., 138, 1-24.
(37) Xu P.L. (1999), Biases and Accuracy of and an Alternative to Nonlinear Filtering, J. Geodesy, 73, 35-46.
(36) Xu P.L. (1999), Despeckling SAR-type Multiplicative Noise, Int. J. Remote Sensing, 20, 2577-2596.
(35) Xu P.L. (1999), Testing Physical Properties of Geopotential Fields, Boll. Geod. Sc. Affini, 58, 135-150.
(34) Xu P.L., E. Cannon & G. Lachapelle (1999), Stabilizing Ill-conditioned Linear Complementarity Problems, J. Geodesy, 73, 204-213.
(33) Xu P.L. (1998), Truncated SVD Methods for Linear Discrete Ill-posed Problems, Geophys. J. Int., 135, 505-514.
(32) Xu P.L. (1998), Mixed Integer Observation Models and Integer Programming in Geodesy, J. Geod. Soc. Japan, 44, 169-187.
(31) Xu P.L. & S. Shimada (1997), Inferring the Relative Measure of Principal Stress Components, Geophys. J. Int., 130, F1-F4.
(30) Xu P.L. (1997), A General Solution in Nonlinear Rank-defect Geodetic Models, Boll. Geod. Sci. Affini, 56, 1-25
(29) Xu P.L. & E. Grafarend (1996), Statistics and Geometry of the Eigenspectra of 3-D Second-Rank Symmetric Random Tensors, Geophys. J. Int., 127, 744-756
(28) Xu P.L. & E. Grafarend (1996), Probability Distribution of Eigenspectra and Eigendirections of a Two-dimensional, Symmetric Rank Two Random Tensor, J. Geodesy, 70, 419-430
(27) Xu P.L. & E. Grafarend (1995), A Multi-objective Second Order Optimal Design of Deforming Networks, Geophys. J. Int., 120, 577-589
(26) Xu P.L. (1995), Testing the Hypotheses of Non-estimable Functions in Free Net Adjustment Models, Manuscripta Geodaetica, 20, 73-80
(25) Xu P.L. (1995), Estimating the State Vector in Observable and Singular Hybrid INS/GPS Systems without the Knowledge of Initial Conditions, Boll. Geod. Sci. Affini, 54, 389-406
(24) Xu P.L. & R. Rummel (1994), A Simulation Study of Smoothness Methods in Recovery of Regional Gravity Fields, Geophys. J. Int., 117, 472-486
(23) Xu P.L. & R. Rummel (1994), A Generalized Ridge Regression Method with Applications in Determination of Potential Fields, Manuscripta Geodaetica, 20, 8-20
(22) Xu P.L. (1994), Adjustment and Testability in Free Net Models, J. Geod. Soc. Japan, 40, Supplement Issue, 315-320
(21) Grafarend E. & P.L. Xu (1994), Observability Analysis of Integrated INS/GPS Systems, Boll. Geod. Sci. Affini, 53, 265-284
(20) Xu P.L. (1993), Multi-objective Second Order Optimization and Criterion Matrix Design, Boll. Geod. Sci. Affini, 52, 305-323
(19) Xu P.L. (1993), Consequences of Constant Parameters and Confidence Intervals of Robust Estimation, Boll. Geod. Sci. Affini, 52, 231-249
(18) Xu P.L. (1992), The Value of Minimum Norm Estimation of Geopotential Fields, Geophys. J. Int., 111, 170-178
(17) Xu P.L. (1992), A Quality Investigation of Vertical Datum Connection, Geophys. J. Int., 110, 361-370
(16) Xu P.L. (1992), Determination of Surface Gravity Anomalies using Gradiometric Observables, Geophys. J. Int., 110, 321-332
(15) Xu P.L. (1991), Least Squares Collocation with Incorrect Prior Information, Z.f. Verm.wesen, 116, 266-273
(14) Xu P.L. & R. Rummel (1991), A Quality Investigation of Global Vertical Datum Connection, Netherlands Geodetic Commission, Publ. Geod., No.34
(13) Xu P.L. (1991), An Adaptive Filtering Treatment of Repeated Gravity and Levelling Data, Acta Geodetica Cartographica Sinica, 20, 109-118
(12) Xu P.L. (1990), A Simplified Model in Combination of Gravity and Levelling Data, Acta Geodetica Cartographica Sinica, 19, 267-274
(11) Xu P.L. (1990), The Second Order Design of Geodetic Networks using Multi-objective Optimal Theory, Boll. Geod. Sci. Affini, 49,185-194
(10) Xu P.L. (1989), On Robust Estimation with Correlated Observations, Bulletin Geodesique, 63, 237-252
( 9) Xu P.L. (1989), The Multi-objective Optimal Second Order Design of Nets, Bulletin Geodesique, 63, 297-308
( 8) Xu P.L. (1989), Statistical Criteria for Robust Methods, ITC Journal, No.1, 37-40
( 7) Xu P.L. (1988), Prediction of Deformations on Large Dams by using an Extended Method, Bull. Sci. Techn. Wuhan Techn. Uni. Surveying and Mapping, No.1,1-9
( 6) Xu P.L. (1988), Application of Time Series Methods in Prediction of Displacements on Large Dams, Journal of Wuhan Techn. Uni. Surveying and Mapping, 13, No.3, 23-31
( 5) Xu P.L. (1987), An F--T Method for Location of Many Outliers, Journal of Wuhan Techn. Uni. Surveying and Mapping,12, No.2, 41-46
( 4) Xu P.L. (1987), An Extension of Methods for Prediction of Displacements on Larg Dams, Acta Geodetica Cartographica Sinica, 16, 280-288
( 3) Xu P.L. (1987), A Method for Outliers, ITC Journal, No.4, 314-317
( 2) Lu G. & P.L. Xu (1986), Estimation of Variance Components in Extended Models, Bull. Sci. Techn. Wuhan Techn. Uni. Surveying and Mapping, No.3, 13-18
( 1) Xu P.L. (1986), Variance-Covariance Propagation for a Nonlinear Function, Journal of Wuhan Techn. Uni. Surveying and Mapping, 11, No.2, 92-99

その他

Fellowship
(1989): Research Fellowship of Delft University of Technology, Delft, The Netherlands.
(1992): Research Fellowship of Alexander von Humboldt Foundation, Bonn, Germany.
(1996): An STA Research Fellowship of Science and Technology Agency, Japan.
(1999): Research Fellowship of Alexander von Humboldt Foundation, Bonn, Germany.

Awards and Honours
The International Association of Geodesy 1999 Best Paper Award
The Tsuboi Prize, The Geodetic Society of Japan, 2002
Fellow, The International Association of Geodesy, 2003

Editorial and Other Services
Earth Planets Space, Guest Editor, 2000, Terra Publisher
Journal of Geodesy, Editor, 1999-2007, Springer Verlag
President, The Intercommission Committee on Theory, The International Association of Geodesy, 2003-2007
The Representative of the International Association of Geodesy to the IUGG Committee on Mathematical Geophysics, 2003-2007
Organizer: Geodetic Summer School, the Geodetic Society of Japan, 1 - 3 August, 2005

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