GAIA II - Talks and presentation

The presentations are sorted in the following groups

• Conference talks
• Workshops
• Guest lectures
• Local events

Conferences talks

• Tor Dokken, Approximate Implicitization for Surface intersection and self-intersections, 45 minutes presentation at the Euro Conference on CAE Integration: Tools, Trends and Technologies, New Hall, University of Cambridge, England., 31 mar 2001
• Tor Dokken, Approximate Implicitization for self-intersection, Symbolic and Numeric Computation (SNSC'01) at Johannes Kepler Universität Linz, Austria RISC-Linz, Schloss Hagenberg September 12-14, 2001., 12 sep 2001
• Tor Dokken, Approximate Implicitization, In Mini-symposium at the SIAM Conference on “Geometric Design and Computing" CapitolPlaza, Sacramento, USA, 7 nov 2001
• Buse, Emiris, Galligo, Pavone, Solving Polynomial Systems with Residual Resultants , 8th International conference on Applications of Computer algebra, in Volos, Greece end of June’02, 27 jun 2002
• Mourrain, Algebraic Methods for Implicit Curves and Surfaces, Curves and Surfaces in St Malo, France July’02, 27 jun 2002
• Tor Dokken, Ellipse Approximation, Saint-Malo, France, 29 jun 2002
• Bert Juttler, Approximate implicitization of planar spline curves, September '02: Presentation at ADG'02 (RISC, Hagenberg), Austria, 6 sep 2002
• Laureano Gonzalez-Vega, Symbolic Methods in CAGD, AMAM 2003, Nice, France, 10 feb 2003
• Tor Dokken, Approximate Implicitization, AMAM 2003, Nice, 11th February 2003, 11 feb 2003
• Elmar Wurm, Approximate Implicitization via Curve Fitting, Eurographics Symposium on Geometry Processing, Aachen, 25 jun 2003
• T. Dokken, L. Gonzalez-Vega, B. Juttler, Approximate Algebraic Methods, Short course, SIAM conference on geometric design and computing, Grand Hyatte Seattle, Washington, USA, 9 nov 2003
• Martin Aigner, On the robustness of implicit representations, SIAM conference on geometric design and computing, Nov. 10-13, 2003, Grand Hyatt Seattle, Washington, USA, 10 nov 2003
• Elmar Wurm, Surface Reconstructin by implicit fitting, SIAM conference on geometric design and computing, Nov. 10-13, 2003, Grand Hyatt Seattle, Washington, USA, 12 nov 2003
• Bert Jüttler, Implicit Surface Fitting and Applications, SIAM conference on geometric design and computing, Nov. 10-13, 2003, Grand Hyatt Seattle, Washington, USA, 13 nov 2003
• Ragni Piene, The equisingular stratification of families of curves on surfaces Arcs, calcul differentiel et applications a l'etude des singularites", Luminy, France, 13 may 2004
• Ragni Piene, Enriques diagrams and the equisingular stratification of families of curves, Paris (FR), 17 jun 2004

Workshops

• Bernard Mourrain, Symbolic-numeric methods for algebraic curves and surfaces., ISSAC in Lille, France July ‘02, 7 jul 2002
• R.M. CORLESS, A. GALLIGO, I.S. KOTSIREAS, S.M. WATT , A Geometric-numeric algorithm for factoring multivariate polynomials, ISSAC in Lille, France July ‘02, 8 jul 2002
• A. Dickenstein and I. Emiris, Multihomogeneous resultant matrices, ISSAC in Lille, France July ‘02, 9 jul 2002
• Bert Juttler joint work with P. Chalmoviansk'y, A. Felis, J. Gahleitner, J. Schicho, and M. Shalaby), Approximate algebraic methods for CAGD, Mathematisches Forschungsinstitut Oberwolfach, Mathematische Methoden der Geometrischen. Datenverarbeitung, October 20th - October 26th, 2002, 24 okt 2002
• Galligo, Mourrain, Forme normale et systemes polynomiaux a coefficients appoches, Workshop in Toulouse, France  Decembre’02, 4 des 2002
• Andre Galligo,  , Workshop in Toulouse, France Decembre’02, 5 des 2002
• Martin Aigner, Robustness of implicit representations, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 1 okt 2003
• Fernando Carreras, Sturm-Habicht sequences, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 1 okt 2003
• Zbynek Sir, Statistical error propagation in geometrical transformations, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 1 okt 2003
• Ragni Piene, On the classification of real algebraic curves and surfaces, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 2 okt 2003
• Solen Corvez, An efficient algorithm for computing the real intersection points of two planar cubic A-splines, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 2 okt 2003
• Bernard Mourrain, Symbolic-numeric methods for curves and surfaces, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 2 okt 2003
• Sonia Perez, Rational Parametrizations of Approximate curves and Surfaces, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 2 okt 2003
• Tor Dokken, Weak Approximate implicitization, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 3 okt 2003
• Tor Dokken, Approximate Implicitization, Workshop on Algebraic Geometry and Geometric Modelling, Vilnius University, Lithuania, 1 aug 2002
• Bernard Mourrain, Resultants, Workshop on Algebraic Geometry and Geometric Modelling, Vilnius University, Lithuania, 1 aug 2002
• Galligo, Mourrain,  , Journées Nationales de Calcul Formel 2003, CIRM, Luminy, 20-24 janvier 2003, 21 jan 2003
• B. Jüttler, Approximate algebraic methods for Computer Aided Geometric Design, Dresden Symposium Geometry, 1 mar 2003
• Tor Dokken, “Do we need a holistic approach to product design?, Industry Challenges in Geometric Modeling and CAD, March 31 & April 1, 2003, organized by the Working Group 17 (Geometric Modeling, CAD, Evolving Interfaces and Surfaces) of MACSI-net, <http://www.win.tue.nl/macsi-net/WG/WG17.html>., 1 apr 2003
• Elmar Wurm, Approximate Implicitization via Surface Fitting, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 29 sep 2003
• Jan Thomassen, Self-intersection problems and approximative implicitization, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 30 sep 2003
• Pal Hermunn Johannsen, What algebraic geometry can do for you: the case of the tangent developable, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 30 sep 2003
• Vibeke Skytt, Challenges in surface-surface intersections, COMPASS, Computational Methods for Algebraic Spline Surfaces, An ESF <http://www.esf.org/> Exploratory Workshop, September 29 - October 3, Schloß Weinberg, Kefermarkt, Austria, 30 sep 2003
• Ragni Piene, Enumerating and characterizing real and complex singularities of curves and surfaces, Geometric Modeling and Real Algebraic Geometry, MSRI, Berkeley, USA, 4 apr 2004
• Tor Dokken, Weak Approximate Implicitization, Algebraic Geometry and Geometric Modeling
• September 27-28-29, 2004, Nice, France., 28 sep 2004

 Guest lecture

• Ragni Piene, On the use of classical algebraic geometry in computer aided design, Lecture at the Unversity of Trieste., 8 mai 2003
• Ragni Piene, Enriques diagrams and equisingular strata of families of curves, KTH, Stockholm, Sweden, 19 mai 2004
• Tor Dokken, Approximate Implicitization, Center for Advanced Studies, Oslo, Norway, 12 feb 2003
• Elmar Wurm, Konstruktion impliziter Kurven und Flächen aus Messdaten. (talk held in german), 28. Kolloquium über Differentialgeometrie, TU Munich, 20 jun 2003
• Martin Aigner, Robustheit implizit definierter Kurven. (held in german), 28. Kolloquium über Differentialgeometrie, TU Munich, 20 jun 2003
• Pål Hermunn Johansen and Magnus Løberg, Monoid curves and surfaces, INRIA, Nice, 3 nov 2003
• Ragni Piene, The equisingular stratification of families of curves on surfaces, University of Oxford, 22 apr 2004

Local event

• Elmar Wurm, Algebraic curve fitting for problematic data, Seminar on Algebraic Spline Curves and Surfaces, Johannes Kepler Univsersity, Linz, 20 mai 2003
• Martin Aigner, Intersections of implicitly defined curves., Seminar on Algebraic Spline Curves and Surfaces, Johannes Kepler Univsersity, Linz, 27 mai 2003
• Tor Dokken, Approximate Implicitization, Centre for Excellent Reseach, University of Oslo, 4 feb 2003
• Pål Hermunn Johansen, A note on Sylvester's theorem, UNSA, Nice, 27 nov 2003