Workshop on Rigidity and Symmetry

October 17 - 21, 2011, The Fields Institute

Location: Fields Institute

Schedule

Monday, October 17th, 2011
09:30 to 10:30	Generating symmetric tensegrities Simon Guest, University of Cambridge Location:
10:30 to 11:00	Coffee Break
11:00 to 12:00	Counting with symmetry: extended versions of mobility criteria Patrick Fowler Location:
12:00 to 14:00	Lunch Break
14:00 to 14:25	The rigidity of graphs on the torus E. Ross Location:
14:30 to 14:55	Rigidity, Circuits and Global Rigidity on the Cylinder Tony Nixon, Lancaster University Location:
15:00 to 15:30	Coffee Break
15:30 to 15:55	The Dehn invariants of the Bricard octahedra Victor Alexandrov, Sobolev Institute of Mathematics Location:
16:00 to 16:25	Radical/Quadratic Realisations of a Rigid Graph John Owen Location:

Tuesday, October 18th, 2011
09:30 to 10:30	Counts for predicting symmetric motions in frameworks with applications to protein flexibility Bernd Schulze, Lancaster University Location:
10:30 to 11:00	Coffee Break
11:00 to 12:00	Generic rigidity of crystallographic frameworks Louis Theran, University of St Andrews Location:
12:00 to 14:00	Lunch Break
14:00 to 14:25	Deformations of crystal frameworks Ciprian Borcea, Rider University Location:
14:30 to 14:55	Generic combinatorial rigidity of periodic frameworks Justin Malestein, University of Oklahoma Location:
15:00 to 15:30	Coffee Break
15:30 to 16:30	Periodic body-and-bar frameworks Ileana Streinu, Smith College Location:
16:30 to 16:55	Floppy frameworks as models for auxetic materials Holger Mitschke, FAU Erlangen-Nuremberg Location:

Wednesday, October 19th, 2011
09:30 to 10:30	Space group and point group symmetry equations for the Borcea-Streinu rigidity matrix of a crystal framework Stephen Power, University of Lancaster Location:
10:30 to 11:00	Coffee Break
11:00 to 12:00	Volumes of Polyhedra in Hyperbolic and Spherical Spaces Alexander Mednykh, Sobolev Institute of Mathematics Location:
12:00 to 14:00	Lunch Break
14:00 to 14:25	An Invariant theoretic view on 10 points on a cubic Susanne Apel, TU Munich Location:
14:30 to 14:55	Point/Line Configurations and their Realizability Brigitte Servatius, Worcester Polytechnic Institute Location:
15:00 to 15:30	Coffee Break
15:30 to 15:55	Parallelohedra and a Walk Around the Voronoi Conjecture Nikolai Dolbilin, Sobolev Institute of Mathematics Location:
16:00 to 16:25	How to Draw an Edge-Colored Graph David Richter, Western Michigan University Location:
16:30 to 16:55	Geodesics in CAT(0) Cubical Complexes Megan Owen, The Fields Institute Location:

Thursday, October 20th, 2011
09:30 to 10:30	Two-Orbit Polyhedra in Ordinary Space Egon Schulte Location:
10:30 to 11:00	Coffee Break
11:00 to 12:00	Equivelar 4-twistoids I Isabel Hubard Location:
12:00 to 14:00	Lunch Break
14:00 to 14:25	Equivelar 4-Twistoids II Mark Mixer, The Fields Institute Location:
14:30 to 14:55	Equivelar Maps on the Klein Bottle, and a Higher Dimensional Generalization Maximilian Klambauer, University of Toronto Location:
15:00 to 15:30	Coffee Break
15:30 to 15:55	Aperiodic Tilings: Notions and Properties I Michael Baake, Bielefeld University and Universität Bielefeld Location:
16:00 to 16:25	Aperiodic Tilings: Notions and Properties II Uwe Grimm, The Open University Location:
16:30 to 16:55	Chirality and Symmetry Measures: Some Open Problems Michel Petitjean, Universite Paris-Diderot Paris 7 Location:

Friday, October 21st, 2011
09:30 to 10:30	Large Groups Acting on Surfaces/Structures of Given Genus, and the Symmetric Genus of a Given Group Marston Conder, University of Auckland Location:
10:30 to 11:00	Coffee Break
11:00 to 12:00	Regular Polygonal Complexes in Space Daniel Pellicer Location:
12:00 to 14:00	Lunch Break
14:00 to 14:25	The Geometry of the Groups PSL(2,q) Julie De Saedeleer, Université Libre de Bruxelles Location:
14:30 to 14:55	Restricting the Degree/Diameter and Cage Problems to Vertex-Transitive Graphs Robert Jacjay, Indiana State University Location:
15:00 to 15:30	Coffee Break
15:30 to 15:55	Rigidity of Spherical Codes, and Kissing Numbers in High Dimensions Amit Kumar, Massachusetts Institute of Technology Location:
16:00 to 16:25	G-Cycles - Powerful and Surprisingly Simple Objects Susanne Apel, TU Munich Location:

Marston Conder - University of Auckland

Robert Connelly - Cornell University

Tibor Jordan - ELTE Eotvos University

Barry Monson

Egon Schulte

Ileana Streinu - Smith College

Asia Weiss

Walter Whiteley - York University