SCIENTIFIC PROGRAMS AND ACTIVITIES

The Coxeter Legacy
Reflections and Projections

May 12-16, 2004
to be held at the University of Toronto

SCHEDULE OF CONTRIBUTED TALKS
Contributed talks - Wednesday, May 12, 2004 (view abstracts)
Session A
2:00 - 2:20	Walter Whiteley, York University Transferring Rigidity - Among Geometries and Dimensions
2:30 - 2:50	Ted Bisztriczky,University of Calgary Characterizations of cyclic polytopes
Session B
2:00 - 2:20	Robert Erdahl, Queen's University Delaunay Supertopes
2:30 - 2:50	Kostya Rybnikov, UMASS, Lowell Face-structure of Locally-Convex Hypersurfaces
Session C
2:00 - 2:20	Frettlöh, Dirk (Univ. Greifswald, Germany) Symmetries of hyperbolic tilings in higher dimensions
2:30 - 2:50	Norman W. Johnson, Wheaton College Hyperbolic Coxeter Groups
Contributed talks - Thursday, May 13, 2004 (view abstracts)
Session A
2:00 - 2:20	Isabel Hubard, York University Self-dual chiral polytopes
2:30 - 2:50	Barry Monson, University of New Brunswick The Gray Graph and Polytopes of Type {3, 6, 3}
Session B
2:00 - 2:20	Leah Wrenn Berman, Ursinus College Even Astral Configurations
Session C
2:00 - 2:20	Robert Milson, Dalhouise University Reflection quotients in Riemannian geometry. A geometric converse to Chevalley's theorem
2:30 - 2:50	Wai Ling Yee, Massachusetts Institute of Technology The Affine Weyl Group and the Signature of the Shapovalov Form
Contributed talks - Friday, May 14, 2004 (view abstracts)
Session A
2:00 - 2:20	Joseph Malkevitch, York College (CUNY) Convex Polytopes with Isosceles Triangle Faces
2:30 - 2:50	Andrei Ordine, Queen's University Proof of the Voronoi conjecture on parallelohedra in a new special case
Session B
2:00 - 2:20	Georg Hofmann, TU Darmstadt Characterization of Coxeter Systems by Reflections on the Cayley Graph
2:30 - 2:50	Gary Gordon, Lafayette College Matroids associated with Coxeter groups
Session C
2:00 - 2:20	Dana S. Scott, Carnegie Mellon University Duality in Projective Geometry
2:30 - 2:50	R. Padmanabhan, University of Manitoba Group Representations of Finite Planes
Contributed talks - Saturday, May 15, 2004 (view abstracts)
Session A
2:00 - 2:20	Anna Lubiw and Masud Hasan, University of Waterloo Equiprojective Polyhedra
2:30 - 2:50	Gordon Williams, Moravian College Petrie Polygons and Petrie Schemes
Session B
2:00 - 2:20	Erich Ellers, University of Toronto Intersection of conjugacy classes in Chevalley groups
2:30 - 2:50	Marcelo P. de Oliveira, University of Toronto Hermitian presentations of Chevalley groups

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