Computer Algebra and Geometric Algebra with Applications, 6th International Workshop, IWMM 2004, Shanghai, China, May 19-21, 2004, and International Workshop, GIAE 2004, Xian, China, May 24-28, 2004, Revised Selected Papers

Computer Algebra and Applications.- On Wintner's Conjecture About Central Configurations.- Polynomial General Solutions for First Order Autonomous ODEs.- The Newton Polygon Method for Differential Equations.- Implicit Reduced Involutive Forms and Their Application to Engineering Multibody Systems.- Hybrid Method for Solving New Pose Estimation Equation System.- Some Necessary Conditions on the Number of Solutions for the P4P Problem.- A Generalization of Xie-Nie Stability Criterion.- Formal Power Series and Loose Entry Formulas for the Dixon Matrix.- Constructive Theory and Algorithm for Blending Several Implicit Algebraic Surfaces.- Minimum-Cost Optimization in Multicommodity Logistic Chain Network.- A Survey of Moving Frames.- Invariant Geometric Motions of Space Curves.- Classification of Signature Curves Using Latent Semantic Analysis.- Hamiltonian System and Algebro-Geometric Solution Associated with Dispersive Long Wave Equation.- The Painleve Test of Nonlinear Partial Differential Equations and Its Implementation Using Maple.- Geometric Algebra and Applications.- Hybrid Matrix Geometric Algebra.- Intrinsic Differential Geometry with Geometric Calculus.- On Miquel's Five-Circle Theorem.- On Averaging in Clifford Groups.- Combinatorics and Representation Theory of Lie Superalgebras over Letterplace Superalgebras.- Applications of Geometric Algebra in Robot Vision.- Twists - An Operational Representation of Shape.- Recent Applications of Conformal Geometric Algebra.- Applications of Conformal Geometric Algebra in Computer Vision and Graphics.- Conic Sections and Meet Intersections in Geometric Algebra.- nD Object Representation and Detection from Single 2D Line Drawing.- Polyhedral Scene Analysis Combining Parametric Propagation with Calotte Analysis.- A Unified and Complete Framework of Invariance for Six Points.- An Introduction to Logical Animation.- Recent Methods for Reconstructing Surfaces from Multiple Images.