Department of Computer Science | Institute of Theoretical Computer Science | CADMO

Theory of Combinatorial Algorithms

Prof. Emo Welzl and Prof. Bernd Gärtner

Program


Monte Verità Conference on Discrete and Computational Geometry
Sunday, June 27 through Friday, July 2, 1999
Ascona, Switzerland


Centro Stefano Franscini of the Swiss Federal Institute of Technology (ETH) Zürich

Organizers: Jacob E. Goodman, City College, CUNY., New York, Richard Pollack, Courant Institute, NYU, New York, and Emo Welzl, ETH Zurich

Support provided by Swiss Federal Institute of Technology (ETH), National Science Foundations of USA and Switzerland (NSF and SNF), Swiss Academy of Science, and Springer-Verlag



Monday

8:30 - 9:30 Annamaria Amenta - Computational geometry and computer graphics

9:30

- 10:00 Jesús De Loera - Minimal triangulations and dissections of convex
      polytopes
      Break

10:30

- 11:00 Rom Pinchasi - Applications of allowable sequences to plane geometry
11:00 - 12:00 János Pach - Ramsey-type problems in geometry

12:15

    Lunch

15:00

- 16:00 Raimund Seidel - Lower bounds for geometric computations
16:00 - 16:30 Andras Bezdek - Incidence problems for points and unit circles

    Short break

16:45

- 17:15 Jochen Giesen - Curve reconstruction and TSP
17:15 - 18:15 Robert Connelly - Mathematical bellows and volume formulas

18:30

    Dinner



Tuesday


8:30 - 9:30 Herbert Edelsbrunner - Meshing with moving boundaries
9:30 - 10:00 Idjad Sabitov - Volume formulas and their applications

    Break

10:30

- 11:00 Günter Ziegler - Coloring of Hamming graphs, and the 0/1-Borsuk
      problem

11:00

- 12:00 Thomas C. Hales - The Kepler conjecture

12:15

    Lunch

15:00

- 16:00 Saugata Basu - On The connectivity and topology of semi-algebraic
      sets: complexity and algorithms

16:00

- 16:30 Erik Demaine - Straightening chains and convexifying polygons

    Short break

16:45

- 17:15 Francisco Santos - A triangulation without flips
17:15 - 18:15 PROBLEM SESSION

18:30

    Dinner

20:00

    Ulli Kortenkamp - Cinderella Demo



Wednesday


8:30 - 9:30 Jürgen Richter-Gebert - The complex behavior of geometric objects
9:30 - 10:00 Vladimir Dol'nikov - Transversals and their applications

    Break

10:30

- 11:00 Géza Toth - Point sets with many k-sets
11:00 - 12:00 Jirí Matousek - Simultaneous partitions of measures by k-fans

12:15

    Lunch

    Excursion



Thursday


8:30 - 9:30 Jeff Lagarias - Discrete geometric models for quasicrystals
9:30 - 10:00 Chuanming Zong - Blocking light rays

    Break

10:30

- 11:00 Meir Katchalski - Common transversals for intersecting planar
      families of translates of a convex set
11:00 - 12:00 Micha Sharir - The union of objects and Voronoi diagrams

12:15

    Lunch

15:00

- 16:00 Louis J. Billera - Enumeration of faces of polytopes: the current
      state of affairs
16:00 - 16:30 Gabor Fejes Tóth - Stability of the moment theorem

    Short break

16:45

- 17:15 Pavel Valtr - Turán-type problems for geometric graphs
17:15 - 17:45 Zoltán Füredi - The smallest convex region containing all triangles
      of perimeter 2
17:45 - 18:15 Gyula Károlyi - Ramsey remainder for convex sets and the
      Erdos-Szekeres Theorem
18:30     Dinner

     



Friday


8:30 - 9:30 Gil Kalai - Variations on the upper bound theorem
9:30 - 10:00 Jörg M. Wills - Kepler and the sausage

    Break

10:30

- 11:00 Bern Marshall - Regression depth and center points
11:00 - 12:00 Bernard Chazelle - The discrepancy method: geometry, randomness,
      and complexity

12:15

    Lunch, and end of conference.



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