Volume 23, Number 1, January 2006

• 
  Renjiang Zhang, Guo-Jin Wang: Sharp bounds on the approximation of a Bézier polynomial by its quasi-control polygon. 1-16
• 
  Qingde Li, John G. Griffiths, J. Ward: Constructive implicit fitting. 17-44
• 
  Guiqing Li, Weiyin Ma: Interpolatory ternary subdivision surfaces. 45-77

Volume 23, Number 2, February 2006

• 
  Steven J. Gortler, Craig Gotsman, Dylan Thurston: Discrete one-forms on meshes and applications to 3D mesh parameterization. 83-112
• 
  Richard R. Patterson: Composition of parametrizations, using the paired algebras of forms and sites. 113-124
• 
  Guoliang Xu, Qing Pan, Chandrajit L. Bajaj: Discrete surface modelling using partial differential equations. 125-145
• 
  Imre Juhász: On the singularity of a class of parametric curves. 146-156
• 
  Avi Zulti, Adi Levin, David Levin, Mina Teicher: C² subdivision over triangulations with one extraordinary point. 157-178
• 
  Maria Lucia Sampoli, Martin Peternell, Bert Jüttler: Rational surfaces with linear normals and their convolutions with rational surfaces. 179-192
• 
  Guoliang Xu: Convergence analysis of a discretization scheme for Gaussian curvature over triangular surfaces. 193-207
• 
  Juan Monterde, Hassan Ugail: A general 4th-order PDE method to generate Bézier surfaces from the boundary. 208-225
• 
  Guozhao Wang, Yajuan Li: Optimal properties of the uniform algebraic trigonometric B-splines. 226-238

Volume 23, Number 3, March 2006

• 
  Xunnian Yang: Normal based subdivision scheme for curve design. 243-260
• 
  Tomasz Popiel, Lyle Noakes: C² spherical Bézier splines. 261-275
• 
  John E. Lavery: Shape-preserving, first-derivative-based parametric and nonparametric cubic L₁ spline curves. 276-296
• 
  Ulrich Abel, Zhongkai Li: A new proof of an identity of Jetter and Stöckler for multivariate Bernstein polynomials. 297-301

Volume 23, Number 4, May 2006

• 
  Sonia Pérez-Díaz: On the problem of proper reparametrization for rational curves and surfaces. 307-323
• 
  Fernando Etayo, Laureano González-Vega, Natalia del Rio: A new approach to characterizing the relative position of two ellipses depending on one parameter. 324-350
• 
  Sung Woo Choi, Byung-Gook Lee, Yeon Ju Lee, Jungho Yoon: Stationary subdivision schemes reproducing polynomials. 351-360
• 
  Yonggang Xue, Thomas Pok-Yin Yu, Tom Duchamp: Jet subdivision schemes on the k-regular complex. 361-396

Volume 23, Number 5, July 2006

• 
  Jirí Kosinka, Bert Jüttler: G¹ Hermite interpolation by Minkowski Pythagorean hodograph cubics. 401-418
• 
  Charles K. Chui, Qingtang Jiang: Matrix-valued subdivision schemes for generating surfaces with extraordinary vertices. 419-438
• 
  Ilijas Selimovic: Improved algorithms for the projection of points on NURBS curves and surfaces. 439-445
• 
  Hendrik Speleers, Paul Dierckx, Stefan Vandewalle: Local subdivision of Powell-Sabin splines. 446-462
• 
  Miklós Hoffmann, Yajuan Li, Guozhao Wang: Paths of C-Bézier and C-B-spline curves. 463-475

Volume 23, Number 6, August 2006

• 
  Hans J. Wolters, Bernd Hamann: Guest Editors' Introduction. 481
• 
  Hans J. Wolters: Geometric modeling applications in rational drug design: a survey. 482-494
• 
  Vijay Natarajan, Yusu Wang, Peer-Timo Bremer, Valerio Pascucci, Bernd Hamann: Segmenting molecular surfaces. 495-509
• 
  Yongjie Zhang, Guoliang Xu, Chandrajit L. Bajaj: Quality meshing of implicit solvation models of biomolecular structures. 510-530
• 
  Afra Zomorodian, Leonidas J. Guibas, Patrice Koehl: Geometric filtering of pairwise atomic interactions applied to the design of efficient statistical potentials. 531-544
• 
  Xuejun Hao, Amitabh Varshney: Geometry-guided computation of 3D electrostatics for large biomolecules. 545-557

Volume 23, Number 7, October 2006

• 
  Renjiang Zhang, Weiyin Ma: Some improvements on the derivative bounds of rational Bézier curves and surfaces. 563-572
• 
  Gerald E. Farin: Class A Bézier curves. 573-581
• 
  Frédéric Cazals, Jean-Charles Faugère, Marc Pouget, Fabrice Rouillier: The implicit structure of ridges of a smooth parametric surface. 582-598
• 
  Lars-Erik Andersson, Neil F. Stewart, Malika Zidani: Conditions for use of a non-selfintersection conjecture. 599-611
• 
  Bert Jüttler, Margot Oberneder, Astrid Sinwel: On the existence of biharmonic tensor-product Bézier surface patches. 612-615

Volume 23, Number 8, November 2006

• 
  Michael S. Floater: High order approximation of rational curves by polynomial curves. 621-628
• 
  Eng-Wee Chionh, Xiao-Shan Gao, Liyong Shen: Inherently improper surface parametric supports. 629-639
• 
  Ming-Jun Lai, Alain Le Méhauté, Tatyana Sorokina: An octahedral C² macro-element. 640-654
• 
  Tomasz Popiel: On parametric smoothness of generalised B-spline curves. 655-668

Volume 23, Number 9, December 2006

• 
  Lizheng Lu, Guozhao Wang: Optimal multi-degree reduction of Bézier curves with G²-continuity. 673-683
• 
  José P. Suárez, Angel Plaza: Block-balanced meshes in iterative uniform refinement. 684-697
• 
  Youdu Huang, Huaming Su: The bound on derivatives of rational Bézier curves. 698-702
• 
  Oleg Davydov, Rossana Morandi, Alessandra Sestini: Local hybrid approximation for scattered data fitting with bivariate splines. 703-721
• 
  Gerald E. Farin: Rational quadratic circles are parametrized by chord length. 722-724

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