VI Hotine-Marussi Symposium on Theoretical and Computational Geodesy IAG Symposium Wuhan, China 29 May - 2 June, 2006

Satellite Gravity and Geodynamics.- Do We Need New Gravity Field Recovery Techniques for the New Gravity Field Satellites?.- A Localizing Basis Functions Representation for Low–Low Mode SST and Gravity Gradients Observations.- Gravity Field Modeling on the Basis of GRACE Range-Rate Combinations.- The Torus Approach in Spaceborne Gravimetry.- Gravity Recovery from Formation Flight Missions.- GRACE Gravity Model Derived by Energy Integral Method.- Robust Estimation and Robust Re-Weighting in Satellite Gravity Modelling.- Topographic and Isostatic Reductions for Use in Satellite Gravity Gradiometry.- Gravity Change After the First Water Impoundment in the Three-Gorges Reservoir, China.- Continental Water Storage Changes from GRACE Line-of-Sight Range Acceleration Measurements.- Atmospheric De-Aliasing Revisited.- First Results of the 2005 Seismology – Geodesy Monitoring Campaign for Volcanic Crustal Deformation in the Reykjanes Peninsula, Iceland.- The Statistical Analysis of the Eigenspace Components of the Strain Rate Tensor Derived from FinnRef GPS Measurements (1997–2004) in Fennoscandia.- GPS Research for Earthquake Studies in India.- Preliminary Results of Subsidence Measurements in Xi’an by Differential SAR Interferometry.- Reference Frame, GPS Theory, Algorithms and Applications.- Accuracy Assessment of the ITRF Datum Definition.- The ITRF Beyond the “Linear” Model. Choices and Challenges.- Approach for the Establishment of a Global Vertical Reference Level.- The Research Challenges of IAG Commission 4 “Positioning & Applications”.- Integrated Adjustment of LEO and GPS in Precision Orbit Determination.- Reduced-Dynamic Precise Orbit Determination Based on Helmert Transformation.- GNSS Ambiguity Resolution: When and How to Fix or not to Fix?.- Probabilistic Evaluation of the Integer Least-Squares and Integer Aperture Estimators.- The Evaluation of the Baseline’s Quality Based on the Probabilistic Characteristics of the Integer Ambiguity.- Kinematic GPS Batch Processing, a Source for Large Sparse Problems.- Optimal Recursive Least-Squares Filtering of GPS Pseudorange Measurements.- A Comparison of Particle Filters for Personal Positioning.- An Effective Wavelet Method to Detect and Mitigate Low-Frequency Multipath Effects.- Regional Tropospheric Delay Modeling Based on GPS Reference Station Network.- Research on GPS Receiver Antenna Gain and Signal Carrier-to-Noise Ratio.- Optimal Combination of Galileo Inter-Frequencies.- Closed-Form ADOP Expressions for Single-Frequency GNSS-Based Attitude Determination.- Safety Monitoring for Dam Construction Crane System with Single Frequency GPS Receiver.- PPP for Long-Range Airborne GPS Kinematic Positioning.- The Uniform Tykhonov-Phillips Regularization (?-weighted S-homBLE) and its Application in GPS Rapid Static Positioning.- Statistical Estimation: Methods and Applications.- Collocation with Integer Trend.- Multidimensional Statistical Tests for Imprecise Data.- Multivariate Total Least – Squares Adjustment for Empirical Affine Transformations.- Robust Double-k-Type Ridge Estimation and Its Applications in GPS Rapid Positioning.- Adaptive Robust Sequential Adjustment.- Application of Unscented Kalman Filter in Nonlinear Geodetic Problems.- Order Statistics Filtering for Detecting Outliers in Depth Data along a Sounding Line.- Stepwise Solutions to Random Field Prediction Problems.- Maximum Possibility Estimation Method with Application in GPS Ambiguity Resolution.- Variance Component Estimation by the Method of Least-Squares.- Noise Characteristics in High Precision GPS Positioning.- Helmert Variance Component Estimation-based Vondrak Filter and its Application in GPS Multipath Error Mitigation.- Statistical Analysis of Negative Variance Components in the Estimation of Variance Components.- A Method to Adjust the Systematic Error along a Sounding Line in an Irregular Net.- Research on Precise Monitoring Method of Riverbed Evolution.- Geodetic Boundary Value Problems and Inverse Problem Theory.- On the Universal Solvability of Classical Boundary-Value Problems of Potential Theory: A Contribution from Geodesy.- Model Refinements and Numerical Solutions of Weakly Formulated Boundary-Value Problems in Physical Geodesy.- On an Ellipsoidal Approach to the Singularity-Free Gravity Space Theory.- Local Geoid Modelling From Vertical Deflections.- Monte Carlo Integration for Quasi–linear Models.- Wavelet Evaluation of Inverse Geodetic Problems.- Correcting the Smoothing Effect of Least-Squares Collocation with a Covariance-Adaptive Optimal Transformation.- Analytical Downward and Upward Continuation Based on the Method of Domain Decomposition and Local Functions.