Workshop on “Modelling Reduction Tools for Large Scale Complex Networks” 21-22 Sept 2017, Grenoble


The workshop, organized within the context of the ERC-AdG Scale-FreeBack project, aimed to investigate problems of modelling, model reduction, aggregation for large-scale dynamical systems and their application to traffic networks. Large-scale systems embed intrinsic issues in terms of computational complexity, which make their analysis and the definition of control architecture difficult.
In this workshop, we aimed to exploit approaches and tools coming from different research domains that allow to deal with the problem in a structured and reliable manner. The ultimate goal was to create a suitable atmosphere for discussions.

Topic 1: Modelling of Large Scale Complex Networks (50 min. open talks): General properties of large-scale networks and different perspectives: phase transition, scale free dynamic networks, graphs and network analysis.
List of speakers:
1) Mauricio Barahona (Imperial College) “Dynamical coarse-graining and graph partitions in networked systems”
2) ERC Scale-FreeBack: Sandro Zampieri (University of Padova) “Controlling complex networks and by partitioning”

Topic 2: Model Aggregation/Reduction for Large Scale Networks (50 min. open talks): Model reduction and aggregation, control theory and their application to large-scale networks.
List of speakers:
1) Arjan van der Schaft (University of Groningen) “Reduction of network models of physical systems”
2) Jun-ichi Imura (Tokyo Institute of Technology) “Clustered Model Reduction of Large-scale Networks and its Application to Control”
3) ERC Scale-FreeBack (Grenoble): Nicolas Martin “On scale-free-mindful graph aggregation”

Topic 3: Modelling of Large Scale Spatial/Temporal Traffic Networks (25 min. open talks): Modelling tools for large-scale traffic networks and techniques to simplify their dynamic representation and their analysis.
List of speakers:
1) Ludovic Leclercq (IFSTTAR) “Dynamic modelling of large-scale urban networks: a MFD approach”
2) Luis Miguel Romero Pérez (University of Sevilla) “Traffic Flow in Dense Urban Areas by Continuum Modelling”
3) ERC Scale-FreeBack: Benjamin Seibold (Temple University) “2d Traffic Flow Modeling via Kinetic Models”
4) ERC Scale-FreeBack (Grenoble): Stéphane Mollier “2D Macroscopic model for traffic flow “

Scientific Committee: Carlos Canudas-de-Wit (CNRS), Sandro Zampieri (Univ. Padova, Italy), Benjamin Seibold (Univ. Temple, USA), Paolo Frasca (CNRS), Maria Laura Delle Monache (INRIA), Giacomo Casadei (CNRS)
Local organization: Lydie Leon (CNRS), Myriam Etienne (INRIA)
Location: A small castle near to Grenoble, Château la Commanderie

For more information have a look at the flyer.

Slides :
Presentation of Mauricio Barahona

Presentation of Sandro Zampieri

Presentation of Arjan Van Der Schaft

Presentation of Jun-Ichi Imura

Presentation of Ludovic Leclercq

Presentation of Nicolas Martin

Presentation of Luis Romero

Presentation of Benjamin Seibold

Presentation of Stephane Mollier

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