Vincent D. Blondel
Professor of Applied Mathematics

Department of Mathematical Engineering
Research group on large graphs and networks
Louvain School of Engineering
Université catholique de Louvain
Avenue Georges Lemaître 4, boîte L4.05.01, B-1348 Louvain-la-Neuve, Belgium
Phone: +32 10 47 23 81, Assistant: +32 10 47 25 97, Fax: +32 10 47 21 80
E-mail: vincent.blondel(at)uclouvain.be
http://perso.uclouvain.be/vincent.blondel
Information for short-term visitors (university history, travel, accommodation, etc.). Information for long-term visitors. 

Publications

List of publications (chronological), list of publications (with citations). My Erdös number is 2 (with a proof) and here is my academic genealogy (from the Mathematics Genealogy Project).

Recent press coverage

The Wall Street Journal (USA), The Really Smart Phone, 2011
Le Monde (France), Le mobile, reflet des frontières françaises, 2011
Le Soir (Belgium), Les flux GSM élargissent Bruxelles, 2010
Der Spiegel (Germany), Wie Handys die Welt beobachten, 2010
Technology Review (USA). Mobile Data: A Gold Mine for Telcos, 2010
Die Zeit (Germany), Die wachsende Gier, 2010

News

Blondel's InMaps network produced by LinkedIn with the Louvain method

03/2012: Invited talk at the Institute for Mathematics and its Applications (USA), Workshop on Machine Learning.
03/2012: Gautier Kring's thesis defense on Extraction of information from large networks.
02/2012: Organizer at the Mathematisches Institut Oberwolfach (Germany), Workshop on Complex Networked Systems.
02/2012: Associate editor of a newly established journal on Data Science.
01/2012: The "Louvain method" developped in our group is now used by  for running InMaps.
12/2011: Commitee member for the Nokia Mobile Data challenge.
11/2011: Launch of the Belgian Internship Program for MIT students.
10/2011: Analysis of Mobile Phone Datasets and Networks, NetMob2011, Media Lab at MIT.
08/2011: National representative for the Belgian participation in the European FuturICT project (FuturICT Belgium).
07/2011: Interdisciplinary Workshop on Information and Decision in Social Networks WIDS, MIT.
06/2011: Launch of the Seed Fund between UCL and MIT (UCL news and a report in the press).
Present and past editorial boards EPJ Data Science (Springer Verlag), Systems and Control Letters (Elsevier Science), Mathematics of Control, Signals, and Systems (Springer Verlag), European Journal of Control (Hermes)

Committees of recent conferences

MobileTartu2012 (Estonia), ECCS2012 (Brussels, Belgium), MTNS2012 (Melbourne, Australia), BenMeeting2012 (Nijmegen, The Netherlands), NecSys2012 (Santa Barbara, USA), CompleNet2012 (Florida, USA), SocialNetwork (Lyon, France), ICCCN2012 (Munich, Germany), NetMob2011 (Cambridge, USA), MARAMI2011 (Paris, France), NEMO2011 (Athens, Greece), WIDS2011 (Cambridge, USA), Simplex2011 (Minneapolis, USA).  More workshops, study days and research retreats organized in Belgium.

Research

Analysis of mobile phone networks, Louvain method for community detection, complex networks, dynamical systems, joint spectral radius and applications, algorithmic complexity in systems and control, stability and stabilization, open problems in systems and control.
Education and short biography Short biography, portrait in Trends (in French)
2010-2011 Visiting Professor, Massachusetts Institute of Technology, Cambridge, USA
2009 Candidat recteur UCL, voir le site web
2005-2006 Visiting Professor, Massachusetts Institute of Technology, Cambridge, USA
1995-1999 Professor, Institut de Mathématiques, Université de Liège, Belgium
1994-1995 Postdoctoral Research Fellow, INRIA, Paris
1993-1994 Gustafsson Postdoctoral Research Fellow, Royal Institute of Technology (KTH), Stockholm, Sweden
1992 PhD in Applied Mathematics, UCL, Belgium
1991 Baccalauréat en Philosophie, UCL, Belgium
1990-1991 Master of Science in Mathematics, Imperial College of Science and Technology, London, UK
1988 Ingénieur civil en mathématiques appliquées (La plus grande distinction), UCL, Belgium

Honors and awards

Antonio Ruberti Prize in systems and control of the IEEE (2006)
Prize Adolphe Wetrems of the Belgian Royal Academy of Science (2006)
Fulbright Scholar (2005)
Triennal SIAM prize on control and systems theory (2001)
Prize Agathon De Potter of the Belgian Royal Academy of Science (1993)
Prize Paul Dubois of the Montefiore Institute (1993)
Teaching LINMA1702. Modèles et méthodes d'optimisation
LINMA1691. Théorie et algorithmique des graphes
LINMA2111. Mathématiques discrètes II : Algorithmes et complexité
LINMA2472. Réseaux complexes
6-251/15-081/16.321 Introduction to mathematical programming (Fall 2005 and Fall 2010 at MIT)
6-977 Networks and dynamics seminar (Spring 2006 at MIT)
TFE 2008-2009, TFE 2007-2008, TFE 2006-2007, TFE 2004-2005, TFE 2003-2004, TFE 2002-2003, TFE 2001-2002
Books

Recent Advances in Learning and Control (with S. Boyd, H. Kimura), Springer Verlag, London, 2008.
Unsolved problems in Mathematical Systems and Control Theory (with A. Megretski), Princeton University Press, 2004.
Mathématiques pour les Sciences, Dunod, Paris, 2000.
Open Problems in Mathematical Systems and Control Theory (with E. D. Sontag, M. Vidyasagar and J.C. Willems), Springer Verlag, 1999.
Simultaneous stabilization of linear systems, Springer Verlag, 1994.

Research groups 

Large Graphs Networks group 

Research group on large graphs and networks
Namur Center for Complex Systems (Naxys)
Center for Operations Research and Econometrics (CORE)
Belgian Interuniversity Attraction Poles Dysco on dynamical systems and control
European Union Network of Excellence Hycon on hybrid systems
European Union Future Internet project Euler on routing in networks
European Science Foundation project Dynamo on dynamic communication networks (Dynamo)

Past postdocs and
long-term visitors

Doctoral and postdoctoral positions available. Please contact me if you are interested.
Markus Esch (2011-2012), University of Luxembourg, Luxembourg.
Patrick De Leenheer (2011-2012), University of Florida, USA.
Luis Rocha (2011-2012), Umeå University, Sweden.
Manuel López Martinez (2009-2010 and 2011-2012), Universidad de Sevilla, Spain.
Sophie Hautphenne (2009-2010), Université Libre de Bruxelles, Belgium.
Balázs Csanád Csáji (2008-2009), Hungarian Academy of Science, Hungary.
Jari Saramaki (2008), Helsinki University of Technology, Finland.
Paul Bell (2007-2008), University of Liverpool, UK.
Renaud Lambiotte (2007-2008), Imperial College, London, UK.
Emmanuel Hainry (2006-2007), Université Henri Poincaré, Nancy, France.
Jean-Loup Guillaume (2006-2007), University of Paris 7, France.
Fabien Mathieu (2005), Université de Montpellier, France.
Vladimir Protasov (2005), University of Moscow, Russia.
Fabian Wirth (2004), Universität Würzburg, Germany.
Petr Kurka (2003), Charles University, Prague, Czech Republic.
Pascal Koiran (2001 and 2002), Ecole Normale Supérieure de Lyon, France.
Alexander Vladimirov (2001 and 2002), Russian Academy of Sciences, Moscow, Russia. 
Anahi Gajardo (2001-2002), Universidad de Concepción, Chile.
Vincent Canterini (2000-2002), Université de Marseille, Fance. 
Eugene Asarin (2000), Université Paris 7, France.
Codrin Nichitiu (1999-2000), Université de Saint Etienne, France.
Leonid Gurvits (1999), Los Alamos National Laboratories, USA.
Julien Cassaigne (1999 and 2008), Institut de Mathématiques de Luminy, Marseille, France.
Natacha Portier (1998-1999), Ecole Nationale Supérieure de Lyon, France.

Current and past
PhD students

Pierre Deville (FNRS, 2011-). TBD
Adeline Decuyper (FNRS, 2011-). TBD
Nicolas Boumal (FNRS, 2010-). Low-rank matrix completion.
Chia-Tche Chang (FNRS, 2008-). Algorithmic approaches to joint spectral radius computation.
Gautier Krings (Research assistant, 2007-2012), Extraction of information from large networks.
Cristobald de Kerchove (Research assistant, 2004-2009), Ranking large networks: Leadership, optimization and distrust.
Raphaël Jungers (FNRS, 2005-2008), Applications of the joint spectral radius. IBM PhD thesis prize 2009. 
Julien Hendrickx (FNRS, 2004-2008), Graphs and networks for the analysis of autonomous agent systems, EECI european PhD thesis prize 2008, Alcatel-Bell PhD thesis prize 2009. 
Laure Ninove (FNRS, 2003-2008), Dominant vectors of nonnegative matrices. Applications to information extraction.
Ho Ngoc Diep (FRIA, 2003-2008), Nonnegative matrix factorization. Algorithms and applications.
Jean-Charles Delvenne (FNRS, 2002-2005), Dynamics, Information and computation,  IBM PhD thesis prize 2005.
Jacques Theys (FNRS, 2001-2005), Joint spectral radius: Theory and approximations, Benelux meeting prizes 2004 and 2005. 

Last updated in January 2012