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THE FIELDS
INSTITUTE
FOR RESEARCH IN MATHEMATICAL SCIENCES |
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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
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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
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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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