PROGRAMS AND ACTIVITIES

December 18, 2014

THE FIELDS INSTITUTE
FOR RESEARCH IN MATHEMATICAL SCIENCES
April 16-18, 2012
Workshop on Graphical Models:
Mathematics, Statistics and Computer Sciences
Organizing Committee:
Frank Critchley,The Open University
Hélène Massam, York University
Frantisek Matús, Academy of Sciences of The Czech Republic
Jim Smith, University of Warwick
 

Outline of the Program

Each day will consists of 45 minutes’ talks followed by 5 minutes of discussion. Each day should be followed by informal discussions held in a large room. Meals will be taken in common at 12:00 p.m. and 6 p.m..


Speaker Abstracts

Workshop Program:

Monday April 16, 2012
8:50 Welcome Introductions-- Stewart Library, 3rd Floor
9:00 a.m. Stephen E., Fienberg, Department of Statistics, Carnegie Mellon University
Graphical Models for Network Data slides
9:50 a.m. BREAK
10:10 a.m. Wicher Bergsma, London School of Economics
Marginal models: some interesting theoretical problems arising from applications slides
11:00 a.m. Frank Critchley (Open University, UK) and Paul Marriott (Waterloo, Canada)
Computational Information Geometry and Graphical Models slides
11:50 LUNCH- Room 210, 2nd Floor
1:30 p.m.

Steffen Lauritzen, University of Oxford
Graphical Gaussian Models with Symmetry and Unknown Means slides

2:20 p.m.

Piotr Zwiernik, TU Eindhoven
Graphical Gaussian models and their groups slides

3:10 p.m.

BREAK

3:50 p.m.

Bala Rajaratnam, Stanford University
Positive definite completion problems for directed acyclic graphs slides
4:40 p.m.

Sofia Massa, University of Oxford
Estimating combination of graphical models slides
5:50 p.m. DINNER Room 210, 2nd Floor
Tuesday April 17, 2012
9:00 a.m. Henry Wynn, London School of Economics, UK
Hierarchical models and monomial ideals slides
9:50 a.m. BREAK

10:10 a.m. Ruriko Yoshida, University of Kentucky
Finiteness on homogeneous Markov chain models slides
11:00 a.m. Thomas Kahle, ETH Zürich
Positive margins and primary decompositions (blackboard talk)
11:50 a.m. LUNCH Room 210, 2nd Floor
1:15 p.m. Nanny Wermuth, Chalmers Technical University Gothenburg International Agency of Research on Cancer Lyon
Traceable regression slides
2:00 p.m.

Milan Studeny, Academy of Sciences of the Czech Republic/Institute of Information Theory and Automation.
Integer programming approach to statistical learning graphical models slides

2:50 p.m. Kayvan Sadeghi, University of Oxford
Stable Mixed Graphs slides
3:40 p.m. BREAK
4:20 p.m. Robin Evans, University of Cambridge
Constraints on Marginalized DAGs slides
5:10 p.m. Johannes Rauh, Max Planck Institute for Mathematics in the Sciences, Leipzig
The expressive power of mixture models and Restricted Boltzmann Machines slides
6:20 p.m. DINNER Room 210, 2nd Floor
Wednesday April 18, 2012
9:00 a.m. Seth Sullivant, North Carolina State University
Identifiability of Large Phylogenetic Mixture Models slides
9:50 a.m. BREAK

10:10 a.m. Alessandro Rinaldo, Carnegie Mellon University
Maximum Likelihood Estimation in Log-Linear Models slides
11:00 a.m. Frantisek Matús, Institute of Information Theory and Automation, Academy of Sciences of the Czech Republic
Around boundaries of exponential families slides

11:50 LUNCH
1:30 p.m.

Jing Xi, University of Kentucky
Estimating the number of zero-one multi-way tables via sequential importance sampling slides

2:00 p.m. Luigi Malago, Department of Electronics and Information, Politecnico di Milano
Graphical Models and Model-Based Search Algorithms slides
2:30 p.m. Mehdi Molkaraie, Department of Information Technology and Electrical Engineering, ETH Zurich
Importance Sampling to Estimate the Entropy Function in Graphical Models with Cycles slides
3:00 p.m. BREAK
3:30 p.m. Gerard Letac, Institut de Mathmatiques de Toulouse
Characteristic functions of convex sets and applications to contingency tables slides
4:30 p.m. DINNER

Final list of Workshop Attendees:

Full Name University Name
Bergsma, Wicher London School of Economics and Political Science
Briollais, Laurent Samuel Lunenfeld Research Institute
Critchley, Frank The Open University
Evans, Robin University of Cambridge
Fienberg, Stephen Carnegie Mellon University
Friedlander, Matt York University
Kahle, Thomas ETH Zürich
Lauritzen, Steffen University of Oxford
Letac, Gérard Université Paul Sabatier
Malagò, Luigi Politecnico di Milano
Maroufy, Vahed University of Waterloo
Marriott, Paul University of Waterloo
Massa, Sofia University of Oxford
Massam, Hélène York University
Matus, Frantisek Academy of Sciences of Czech Republic
Mitsakakis, Nicholas University of Toronto
Molkaraie, Mehdi ETH Zürich
Mudalige, Nishan York University
Pinder, Shaun University of Guelph
Rajaratnam, Bala Stanford University
Rauh, Johannes Max Planck Institute for Mathematics in the Sciences
Rinaldo, Alessandro Carnegie Mellon University
Rush, Stephen University of Guelph
Sadeghi, Kayvan University of Oxford
Smith, Jim Q. University of Warwick
Studeny, Milan Academy of Sciences of Czech Republic
Sullivant, Seth North Carolina State University
Wermuth, Nanny Chalmers/University of Gothenburg
Wynn, Henry The London School of Economics and Political Science
Xi, Jing University of Kentucky
Yoshida, Ruriko University of Kentucky
Zwiernik, Piotr Institute for Pure and Applied Mathematics


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