AMS Sectional Meeting Program by Special Session

Current as of Saturday, March 10, 2007 00:26:22

Associate secretaries:
Matthew Miller, AMS miller@math.sc.edu

Saturday March 3, 2007, 8:00 a.m.-10:50 a.m.
Special Session on Computational and Combinatorial Aspects of Tiling and Substitutions, I
Room 3106, Chambers Building
Organizers:
Chaim Goodman-Strauss, University of Arkansas strauss@uark.edu
Casey Mann, University of Texas at Tyler
Edmund O. Harriss, Queen Mary University of London
- 8:00 a.m.
  Escherization.
  Craig S Kaplan*, University of Waterloo
  (1024-68-94)
- 8:30 a.m.
  Spontaneous geometry via circle packing.
  Ken Stephenson*, University of Tennessee
  (1024-51-113)
- 9:00 a.m.
  An approach to the diffraction of quasicrystallographic random tilings.
  C Richard*, University of Bielefeld, Germany
  (1024-43-172)
- 9:30 a.m.
  Shape theory and substitution tiling spaces.
  Alex Clark*, University of North Texas
  John Hunton, University of Leicester
  Catherine Llewellyn-Jones, University of Leicester
  (1024-37-194)
- 10:00 a.m.
  Algebraic Descriptions of Complex Geometric Shapes.
  Natasha Jonoska, University of South Florida
  Gregory McColm*, University of South Florida
  (1024-52-198)
- 10:30 a.m.
  Recursive renewablity and primitive substitutiveness of rotation words.
  Shigeki Akiyama*, Niigata University
  (1024-11-167)

Saturday March 3, 2007, 3:00 p.m.-5:50 p.m.
Special Session on Computational and Combinatorial Aspects of Tiling and Substitutions, II
Room 3106, Chambers Building
Organizers:
Chaim Goodman-Strauss, University of Arkansas strauss@uark.edu
Casey Mann, University of Texas at Tyler
Edmund O. Harriss, Queen Mary University of London
- 3:00 p.m.
  Rigidity in one-dimensional substitution tiling spaces.
  Marcy M Barge*, Montana State University
  Richard C Swanson, Montana State University
  (1024-37-92)
- 3:30 p.m.
  Mixing properties of substitutive sequences and proximality.
  Brian F Martensen*, Minnesota State University
  (1024-37-249)
- 4:00 p.m.
  Cohomology and the spectrum in 1-dimensional tiling systems.
  Tetyana I. Andress, The George Washington University
  E. Arthur Robinson*, The George Washington University
  (1024-37-237)
- 4:30 p.m.
  Discussion.
- 5:00 p.m.
  One-dimensional substitution tilings with an interval projection structure.
  Edmund O. Harriss, Imperial College London, UK
  Jeroen S.W. Lamb*, Imperial College London
  (1024-52-162)
- 5:30 p.m.
  Aspects of the Penrose Tiling.
  Edmund Harriss*, Imperial College London, UK
  (1024-00-40)

Sunday March 4, 2007, 8:00 a.m.-10:50 a.m.
Special Session on Computational and Combinatorial Aspects of Tiling and Substitutions, III
Room 3106, Chambers Building
Organizers:
Chaim Goodman-Strauss, University of Arkansas strauss@uark.edu
Casey Mann, University of Texas at Tyler
Edmund O. Harriss, Queen Mary University of London
- 8:00 a.m.
  Classification of Mnohedral 2-isohedral Tilings.
  John Berglund*, Winnetka Learning Center, New Hope, MN
  (1024-52-79)
- 8:30 a.m.
  Hexagonal parquet tilings and $k$-isohedral monotiles.
  Joshua E. S. Socolar*, Physics Department and Center for Nonlinear and Complex Systems, Duke University
  (1024-00-28)
- 9:00 a.m.
  Heesch numbers of polyforms with marked edges.
  Casey Mann*, The University of Texas at Tyler
  Bobby Thomas, The University of Texas at Tyler
  (1024-52-43)
- 9:30 a.m.
  Aperiodc Archimedean Tilings.
  Nathan D Wetzler*, University of Arkansas at Fayetteville
  (1024-05-196)
- 10:00 a.m.
  About two tilings of the hyperbolic plane.
  Maurice Margenstern*, Universit\'e Paul Verlaine - Metz, LITA, EA 3097
  (1024-05-76)
- 10:30 a.m.
  A new undecidability proof for the tiling problem: The tiling problem is undecidable both in the Euclidean and in the hyperbolic plane.
  Jarkko Kari*, University of Turku, Finland
  (1024-68-75)

Sunday March 4, 2007, 3:00 p.m.-5:50 p.m.
Special Session on Computational and Combinatorial Aspects of Tiling and Substitutions, IV
Room 3106, Chambers Building
Organizers:
Chaim Goodman-Strauss, University of Arkansas strauss@uark.edu
Casey Mann, University of Texas at Tyler
Edmund O. Harriss, Queen Mary University of London
- 3:00 p.m.
  Generalized beta-expansions, substitution tilings, and local finiteness.
  Natalie Priebe Frank*, Vassar College
  E. A. Robinson, Jr., George Washington University
  (1024-52-235)
- 3:30 p.m.
  Topology of (some) tiling spaces without finite local complexity.
  Lorenzo Sadun*, University of Texas
  (1024-37-254)
- 4:00 p.m.
  Tilings generated by non-Pisot companion matrices.
  Shunji Ito*, University of Kanazawa, Kanazawa Japan
  (1024-52-211)
- 4:30 p.m.
  My view on Pisot substitutions.
  Bernd Sing*, The Open University
  (1024-11-62)
- 5:00 p.m.
  About duality of cut-and-project tilings.
  Dirk Frettloh*, Univ. Bielefeld, Germany
  (1024-51-74)
- 5:30 p.m.
  Automata for Factor Languages of Two-dimensional Sofic Shifts.
  Natasha Jonoska*, University of South Florida
  Joni B. Pirnot, Manatee Community College
  (1024-68-253)

Inquiries: meet@ams.org