| Fall 2006 | 
 | date | speaker | title | 
 | September 13 | Ethan Kim,
School of Computer Science, McGill University | On Bus Graph Realizability | 
 | September 27 | Steph Durocher, 
Department of Computer Science, | Geometric Facility Location under Continuous Motion | 
 |  | University of British Columbia |  | 
 | October 11 | Godfried Toussaint, 
School of Computer Science, McGill University | Computational Geometric Aspects of Musical Rhythm | 
 | October 18 | Katsuhisa Yamanaka,
Department of Computer Science, | A 
Compact Encoding of Rectangular Drawings | 
 |  | Gunma University, Japan | with 
Efficient Query Support | 
 | October 25 | Christophe Paul,
Laboratoire d'Informatique de Robotique | Algorithmic Aspects of Modular Decomposition | 
|  | et de Microélectronique de Montpellier |  | 
 | November 1 | Olivier
Devillers, INRIA Sophia Antipolis | Succinct Representations of Triangulations and Planar Maps | 
 | November 15 | Mark Grundland, 
Computer Laboratory, University of Cambridge | Improving Image Quality in Image Compositing | 
 | November 29 | Emeric Gioan,
Laboratoire d'Informatique de Robotique | Bijections between Spanning Trees and Orientations | 
|  | et de Microélectronique de Montpellier | in Graphs, Geometrical Algorithms and Extensions | 
 | December 6 | Pat Morin,
School of Computer Science, Carleton University | Distribution-Sensitive Point Location in Convex Subdivisions | 
|  | 
| Winter 2007 | 
 | January 10 | Christophe Paul,
Laboratoire d'Informatique de Robotique | Interval Completion with Few Edges | 
|  | et de Microélectronique de Montpellier |  | 
 | January 17 | David Avis,
School of Computer Science, McGill University | Enumerating Constrained Non-crossing Minimally Rigid Frameworks | 
 | February 7 | Bruce Shepherd,
Bell Labs, New Jersey | Network Design with Uncertain Demand | 
 | February 28 | Vida Dujmović,
Department of Mathematics and Statistics, McGill University | A Characterization of the Degree Sequences of 2-Trees | 
 | March 7 | Adrian Vetta,
School of Computer Science | Degree-Constrained Network Flows | 
|  | and
Department of Mathematics and Statistics, McGill University |  | 
 | March 14 | Prosenjit Bose,
School of Computer Science, Carleton University | On Geometric Spanners | 
 | March 28 | Lata Narayanan,
Department of Computer Science, Concordia University | Mechanisms to Induce Random Choice | 
 | April 3 | Jonathan Farley,
University of the West Indies, Jamaica | Distributive Lattices of Small Width: A Problem from Stanley's
Enumerative Combinatorics | 
 | April 25 | Christophe Paul,
Laboratoire d'Informatique de Robotique | Dynamic Representations of Intersection Graphs | 
|  | et de Microélectronique de Montpellier |  | 
|  | 
| Summer 2007 | 
 | June 26 | Anthony Bonato, 
Department of Mathematics, Wilfrid Laurier University | Modelling Self-Organizing Networks with a Hidden Metric | 
 | June 27 | Francesco 
Giordano, 
Dipartimento di Ingegneria Elettronica e dell'Informazione, | Overlapping Cluster Planarity | 
|  | Università degli Studi di Perugia |  |