Boris Odehnal: talks

Colloquium talks and invited talks

1. Computing with discrete Models of ruled Surfaces and Line Congruences
   2^nd Internat. Workshop on Computational Kinematics, Seoul, South Korea, May 20, 2001.
2. Geometrische Erzeugung linearer Geradenabbildungen
   Geometrietagung, Vorau, Österreich, June 7, 2004.
3. Geometrie der Linienelmente
   Sächsischer Geometrietag, Dresden, Germany, January 8, 2005.
4. Isotrope Geradenkongruenzen
   30. Süddeutsches Differentialgeometrie-Kolloquium, Dresden, Germany, May 25, 2005.
5. 3D Shape Recognition and Reconstruction based on Line Element Geometry
   Invited talk at the Department of Computer Science, University of Hong Kong, Hong Kong, Peoples Republic of China, October 26, 2005.
6. The Geometry of Flags
   Algebraic Geometry and Shape Modeling, Barcelona, Spain, September 4, 2006.
7. Two-parameter Families of Spheres with rational Envelopes
   SIAM Conference on Geometric Design and Computing, San Antonio, TX, United States, November 7, 2007.
8. Linienelemente und Flaggen
   Habilitationskolloquium, Vienna Univ. of Technology, Vienna, Austria, November 19, 2007.
9. Subdivision Schemes for ruled Surfaces
   4^th Internat. Congress of the Croatian Math. Society, Osijek, Croatia, June 18, 2008.
10. Subdivision Schemes for ruled Surfaces and Canal Surfaces
    7^th International Conference on Mathematical Methods for Curves and Surfaces, Toensberg, Norway, June 27, 2008.
11. G^k-Hermite interpolation with Ruled Surfaces
    Shapes, Geometry, and Algebra, Castro-Urdiales, Spain, November 21, 2008
12. Generalized Gergonne and Nagel points
    14^th Professional-Scientific Colloquium on Geometry and Graphics, Velika, Croatia, September 10, 2009
13. G^k-Hermite-Interpolation mit Regelflächen
    Invited talk at the Seminar of the Institute of Geometry, Technische Universität Dresden, Dresden, Germany, December 8, 2009.
14. Equioptic points of a triangle
    14^th International Conference on Geometry and Graphics, Kyoto, Japan, August 6, 2010.
15. Equioptic curves of conic sections
    2^nd Croatian Conference on Geometry and Graphics, Šibenik, Croatia, September 6, 2010.
16. Quadratische Dreiecks-Bezier-Flächen und deren Minkowski-Summen
    Invited talk at the Seminar of the Institute of Geometry, Technische Universität Dresden, Dresden, Germany, June 28, 2011.
17. Mixed intersection of Cevians and perspective triangles
    15^th International Conference Geometry and Graphics, Montreal, Canada, August 1, 2012.
18. Common normals of two tori
    15^th International Conference Geometry and Graphics, Montreal, Canada, August 2, 2012.
19. Porisms
    Invited talk at the 16^th Scientific-Professional Colloquium on Geometry and Graphics, Baška (Krk), Croatia, September 9, 2012.
20. Porismen
    Invited talk at the Seminar of the Institute for Computational Geometry, Montanuniversität Leoben, Leoben, Austria, January 22, 2013.
21. Spherical conchoids
    17^th Scientific-Professional Colloquium on Geometry and Graphics, Rastoke, Croatia, September 5, 2013.
22. Curvature Functions on a one-sheeted Hyperboloid
    16^th International Conference on Geometry and Graphics, Innsbruck, Austria, August 6, 2014.
23. Distances and central Projections
    3^rd Croatian Conference on Geometry and Graphics, Supetar (Brač), Croatia, September 8, 2014.
24. Isotropic Congruences of Lines in Elliptic 3-space
    Conference on Geometry - Theory and Applications, Kefermarkt, Austria, June 12, 2015.
25. A rational minimal Möbius strip
    17^th International Conference on Geometry and Graphics, Beijing, Peoples Republic of China, August 6, 2016.
26. Degenerate cubic surfaces and the Wallace-Simson-Theorem in space
    17^th International Conference on Geometry and Graphics, Beijing, Peoples Republic of China, August 6, 2016.
27. On algebraic minimal surfaces
    19^th Scientific-Professional Colloquium on Geometry and Graphics, Starigrad-Paklenica, Croatia, September 6, 2016.
28. A rational minimal Möbius strip
    19^th Scientific-Professional Colloquium on Geometry and Graphics, Starigrad-Paklenica, Croatia, September 7, 2016.
29. Generalized Conchoids
    20^th Scientific-Professional Colloquium on geometry and Graphics, Fužine, Coratia, September 4, 2017.
30. Hermite interpolation with ruled surfaces and channel surfaces
    Invited talk at the Slovak-Czech Conference on Geometry and Graphics, Vršatec, Slovakia, September 12, 2017.
31. Higher dimensional geometries - What are they good for?
    Invited talk at the 18^th International Conference on Geometry and Graphics, Milan, Italy, August 5, 2018.
32. Examples of autoisoptic curves
    18^th International Conference on Geometry and Graphics, Milan, Italy, August 6, 2018.
33. Convergent Triangle Tunnels
    4^th Croatian Conference on Geometry and Graphics, Peroj, Croatia, September 3, 2018.
34. Remarks on Algebraic Geodesics on Quadrics
    21^st Professional-Scientific Colloqium on Geometry and Graphics, Sisak, Croatia, September 2, 2019.
35. Examples of isoptic ruled surfaces
    19^th International Conference on Geometry and Graphics, Sao Paulo, Brazil, January 18, 2021.
36. A one-parameter family of triangle cubics
    19^th International Conference on Geometry and Graphics, Sao Paulo, Brazil, January 18, 2021.
37. A rarity in geometry: a septic curve
    22^nd Colloquium on Geometry and Graphics, Čiovo, Croatia, September 6, 2021.
38. Circumparabolas in Chapple's porism
    20^th International Conference on Geometry and Graphics, Sao Paulo, Brazil, August 19, 2022.
39. Permutation Cubics
    20^th International Conference on Geometry and Graphics, Sao Paulo, Brazil, August 19, 2022.
40. Beyond the Nine-Point Conic
    20^th International Conference on Geometry and Graphics, Sao Paulo, Brazil, August 19, 2022.
41. Rectification of an Edgy Photograph
    20^th International Conference on Geometry and Graphics, Sao Paulo, Brazil, August 17, 2022.
42. Poncelet Porisms
    Invited talk at: 5^th International Conference on Geometry and Graphics, Dubrovnik, Croatia, September 5, 2022.
43. On the geometry of spherical trochoids
    23^rd Colloquium on Geometry and Graphics, Vinkovci, Croatia, September 4, 2023.
44. A Steiner-Miquel transformation
    23^rd Colloquium on Geometry and Graphics, Vinkovci, Croatia, September 7, 2023.
45. Variations on Frégier's Theorem
    9^th Slovak-Czech Conference on Geometry amd Graphics, September 12, 2023, Kremnica, Slovak Republic.
46. Frégier's Theorem in 3 Dimensions
    20^th International Conference on Geometry and Graphics, August 6, 2024, Kitakyushu, Japan.
47. Universal Porisms and Yff Conics
    24^th Scientific - Professional Colloquium on Geometry and Graphics, September 5, 2024, Senj, Croatia.
48. Geometric Proofs: Really Automated?
    Invited talk at the CSGG subject meeting: 30 years of the Croatian Society for Geometry and Graphics. November 23, 2024, Zagreb, Croatia.
49. Projective Parallelians and related Porisms
    25^th Scientific - Professional Colloquium on Geometry and Graphics, September 10, 2025, Čakovec, Croatia.
50. Iterated Triangle Center Construction
    25^th Scientific - Professional Colloquium on Geometry and Graphics, September 10, 2025, Čakovec, Croatia.