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Diego Garlaschelli

Contact information

Lorentz Institute for Theoretical Physics
Leiden Institute of Physics
University of Leiden
Niels Bohrweg 2
NL-2333 CA
Leiden (The Netherlands)

Telephone: +31-71-5275510
garlaschelli@lorentz.leidenuniv.nl

Short bio



Diego Garlaschelli is Associate Professor at the Lorentz Institute for Theoretical Physics, Leiden University, and Associate Fellow of the Saïd Business School, Oxford University. Since 2011, he leads a research group with strongly interdisciplinary interests, including network theory, economic complexity, social dynamics, statistical physics and graph theory. He teaches courses in Complex Networks and Econophysics at the Faculty of Science in Leiden. He holds a master degree in theoretical physics from the University of Rome III (2001) and a PhD in Physics from the University of Siena (2005). Before moving to Leiden, he held postdoctoral positions at the Australian National University in Canberra (Australia), the University of Siena (Italy), the University of Oxford (UK) and the S. Anna School for Advanced Studies in Pisa (Italy).





Selected publications

(in top journals with IF>7; see below for full list of publications)




D Garlaschelli, G Caldarelli, L Pietronero (2003) Universal scaling relations in food webs. NATURE 423: 6936, 165-168.

D Garlaschelli, M I Loffredo (2004) Fitness-dependent topological properties of the World Trade Web. PHYSICAL REVIEW LETTERS 93, 188701.

D Garlaschelli, M I Loffredo (2004) Patterns of link reciprocity in directed networks. PHYSICAL REVIEW LETTERS 93, 268701.

D Garlaschelli, G Caldarelli, L Pietronero (2005) Universal Scaling in Food Web Structure? NATURE 435: E4.

D Garlaschelli, A Capocci, G Caldarelli (2007) Self-organized network evolution coupled to extremal dynamics. NATURE PHYSICS 3, 813-817.

D Garlaschelli, M I Loffredo (2009) Generalized Bose-Fermi Statistics and Structural Correlations in Weighted Networks. PHYSICAL REVIEW LETTERS 102, 038701.

L Valori, F Picciolo, A Allansdottir, D Garlaschelli (2012) Reconciling long-term cultural diversity and short-term collective social behavior. PNAS 109:4, 1068-1073.

M MacMahon, D Garlaschelli (2015) Community detection for correlation matrices. PHYSICAL REVIEW X 5, 021006.

T Squartini, J de Mol, F den Hollander, D Garlaschellii (2015) Breaking of ensemble equivalence in networks. PHYSICAL REVIEW LETTERS 115, 268701.

S Battiston, J Doyne Farmer, A Flache, D Garlaschelli, A G Haldane, H Heesterbeek, C Hommes, C Jaeger, R May, M Scheffer (2016) Complexity theory and financial regulation. SCIENCE 351 (6275), 818-819.

S Battiston, J Doyne Farmer, A Flache, D Garlaschelli, A G Haldane, H Heesterbeek, C Hommes, C Jaeger, R May, M Scheffer (2016) Financial complexity: Regulating regulation and Accounting for fraud (response). SCIENCE 352 (6283), 302.




Curriculum Vitae


Personal information



Male, born in Rome, Italy (25/11/1977).
Married (19/06/2004), one son (19/03/2009), one daughter (23/06/2010).


Current position(s)



Associate Professor (since 2016)
Lorentz Institute for Theoretical Physics, Leiden Institute of Physics
University of Leiden (NL)

Group Leader (since 2011)
Econophysics and Network Theory (ENT) group, Lorentz Institute for Theoretical Physics
University of Leiden (NL)

Associate Fellow (since 2010)
CABDyN Complexity Center, Said Business School
University of Oxford (UK)


Previous positions



2011-2016: Assistant Professor, Lorentz Institute for Theoretical Physics, Leiden Institute of Physics,
University of Leiden (NL)

2010-2011: Research Fellow, Laboratory of Economics and Management, Sant'Anna School of Advanced Studies, Pisa (Italy)

2009-2010: Research Associate, Green Templeton College, University of Oxford (UK).

2009-2010: Research Fellow, CABDyN Complexity Center, Said Business School, University of Oxford (UK).

2005-2009: Research Fellow and Lecturer, Physics Department, University of Siena (Italy).

2005: Visiting Fellow, Department of Applied Mathematics, Research School of Physical Sciences and Engineering, Australian National University, Canberra (Australia).

2005: Research Contract, Italian National Research Council (CNR), Institute of Complex Systems (ISC), Rome (Italy).

2005: Research Contract, Physics Department, University of Siena (Italy).


Education



2005: PhD in Physics, University of Siena (Italy).
"Statistical Physics Approach to the Topology and Dynamics of Complex Networks".
Supervisor: Prof. Maria I. Loffredo

2001: Degree in Physics, Third University of Rome (Italy).
"Proprietà Statistiche e di Auto-Organizzazione nelle Reti Ecologiche Complesse"
Supervisor: Prof. Luciano Pietronero (Mark: 110/110)


Teaching activity



at the University of Leiden and in the Netherlands (2011-present):

- Course "Complex Networks" (master degrees in Physics, Mathematics, and Computer Science, Leiden): 2014 - present.
- Course "Econophysics" (bachelor degree in Physics, Leiden): 2011 - present.
- Lecturer at the Dutch Research School of Theoretical Physics: 2011 - present.
- Lecturer at the graduate Casimir School (Leiden/Delft): 2011.

at the University of Siena, Italy (2003-2011):

- PhD Course "Network Theory and Complexity" (PhD Program in Chemistry): 2011.
- Organizing responsible of the "Chair in Econophysics": 2008-2011.
- Organizing responsible of the Multidisciplinary PhD Program "Physics and Complex Systems": 2008-2011
- Course "Physics of Complex Systems" (masters degree in Physics): 2006 - 2009.
- Cycle of seminars on "Statistical Mechanics" (bachelor degree in Physics): 2007.
- Course "Structure of Matter II" (masters degree in Physics): 2005 - 2006.
- Course "Physics" (Bachelor Degree in Pharmacy): 2004 - 2009.
- Course "Probabilistic Models" (Postgraduate Diploma in BioInformatics): 2003 - 2010.


Supervision of postdocs and visiting scientists



- Vasyl Palchikov (postdoc co-supervised with Alexey Boyarsky, January 2014 - present).
- Tiziano Squartini (postdoc, January 2012 - December 2013).
- Rossana Mastrandrea (visiting scientist from S. Anna School of Advanced Studies in Pisa, March - May 2012 and March - June 2013).
- Francesco Picciolo (visiting scientist from Siena University, January - June 2013).
- Franco Ruzzenenti (visiting scientist from Siena University, October - December 2011).


Supervision of PhD students



- Janusz Meylahn (co-supervised with F. den Hollander) (University of Leiden, started October 2015).
- Andrea Roccaverde (co-supervised with F. den Hollander) (University of Leiden, started December 2014).
- Elena Garuccio (external supervision for the University of Siena, started November 2014).
- Valerio Gemmetto (University of Leiden, started November 2013).
- Alexandru-Ionut Babeanu (University of Leiden, started September 2013).
- Assaf Almog (University of Leiden, started January 2013).
- Tiziano Squartini: "Information-theoretic approach to the analysis of complex networks" (University of Siena, 2008-2011).
- Luca Valori: "Complex systems approach to socioeconomic and cultural dynamics" (University of Siena, 2007-2010).


Supervision of masters students



- Matteo Insolia (University of Padova, in progress).
- Sander van Lidth de Jeude (University of Leiden, in progress).
- Ruben Krantz (University of Leiden, 2016).
- Ferry Besamusca (University of Leiden, 2016).
- Matteo Quattropani (co-supervised with L. Avena) (University of Leiden, 2016).
- Marc van Kralingen (University of Leiden, 2016).
- Stella Xenou (University of Leiden, 2015).
- Arjen Aerts (University of Amsterdam, 2015).
- Eli van Es: "An improved maximum-likelihood solver for the analysis of graph ensembles" (University of Leiden, 2014).
- Marc de Voogt (co-supervised with K. Schalm): "A Study in Configuration Relaxation of Space: Resonant Tunneling in Field Theory and The Freezing of Bubbly Space" (University of Leiden, 2012).
- Assaf Almog: "Maximum Entropy Matrices: Towards a Statistical Physics of Time Series" (University of Delft, 2012).
- Mel MacMahon: "Application of Complex Network Theory to Time Series Clustering: Probing the Mesoscopic Structure of Financial Markets" (University of Delft, 2012).
- Silvia Bottini: "Analysis of protein structure in the framework of a complex systems perspective" (University of Siena, Italy, 2010).
- Tiziano Squartini: "Entropia di reti complesse: teoria e risultati empirici" (University of Siena, Italy, 2008).
- Luca Valori: "Analisi di comportamenti sociali complessi e dinamiche culturali attraverso i dati europei di percezione pubblica della scienza" (University of Siena, Italy, 2007).
- Master Thesis by Francesco Picciolo: "Studio di reti sociali ed eterogeneità culturale tramite i dati europei di percezione pubblica della scienza" (University of Siena, Italy, 2007).


Supervision of bachelor students



- Garbrand Wiersema (co-supervised with S. Brakman) (University of Groningen, in progress).
- Philip Verdun Lunel (co-supervised with M. Mandjes): "Detectability of Community Structure in Weighted Networks" (University of Amsterdam, 2016).
- Benthen Zeegers: "Spontaneous synchronisation on complex networks" (University of Leiden, 2015).
- Joey de Mol: "Breaking of ensemble equivalence in networks" (University of Leiden, 2014).
- Leandros Talman: "Probing cultural spaces through opinion dynamics" (University of Leiden, 2014).
- Ferry Besamusca: "Weighted versus Binary Community structures in Financial Markets" (University of Leiden, 2014).
- Rhys Bird: "An Enhanced Gravity Model for the International Trade Network" (University of Leiden, 2014).
- Francesco Picciolo: "Leggi di Scala in Fisica: Modelli di Reti e Applicazioni" (University of Siena, 2005).
- Tiziano Squartini: "Entropia, Incertezza, Informazione: Paradigmi per lo Studio della Complessità" (University of Siena, 2005).


Supervision of pre-university students



- Philip Verduyn Lunel: "Triadic transitions in dynamic networks", Pre-University College, Leiden University (2012)
- Sjoerd Bouma: "Triadic transitions in dynamic networks", Pre-University College, Leiden University (2012)


Invited talks



- September 2016: "Fundamentals of Networks​", Satellite of the Conference on Complex Systems (CCS2016), Amsterdam (The Netherlands).

- September 2016: "Modelling Systemic Risk using Complex Systems", Satellite of the Conference on Complex Systems (CCS2016), Amsterdam (The Netherlands).

- August 2016: "Complex networks: from socio-economic systems to biology and brain", Lipari (Italy).

- July 2016: Statistical Physics of Financial and Economic Networks - Satellite Meeting to StatPhys26, Paris (France)

- July 2016: Summer school "Introduction to Complex Systems", Utrecht (The Netherlands)

- June 2016: First international conference on "Cliometrics and Complexity", Lyon (France)

- May 2016: Symposium on Economic Networks, ETH Zurich (Switzerland)

- May 2016: TopQuants Spring Keynote, KPGM Headquarters, Amstelveen (The Netherlands)

- March 2016: Invited Plenary Tutorial for the Division of Physics of Socio-Economic
Systems, Annual General Meeting of the German Physical Society, Regensburg (Germany).

- November/December 2015: Econophys 2015 (International Conference for the 20 years of Econophysics), New Delhi (India).

- October 2015: Joint OECD-INET-GSS workshop “Complexity of the Economy - Research and Policy Implications”, OECD Headquarters, Paris (France).

- September 2015: FISMAT 2015- Italian National Conference on Condensed Matter Physics, Palermo (Italy).

- September 2015: GrowthCom summer school on Socio-Economic Complex Systems, Lipari (Italy).

- June 2015: First SENSE workshop "Structure and Ecological Niche in the Soil Environment", Belfast (Northern Ireland).

- June 2015: Satellite "Policy-applications of complex networks in economics and finance" (NetSci2015), Zaragoza (Spain).

- March 2015: International Workshop "Socio-Economic Complexity", Lorentz Center, Leiden (The Netherlands).

- November 2014: International Workshop "What is Complexity and How Do You Measure It?", Lorentz Center, Leiden (The Netherlands).

- November 2014: Workshop on "Social Influence" (SI 2014), Barcelona (Spain).

- November 2014: "Socio-Economic Dynamics: Networks and Agent-based Models (SEDNAM)", workshop of the 6th International Conference on Social Informatics (SocInfo 2014), Barcelona (Spain).

- September 2014: Satellite Meeting “Complex Networks in International Economics”, European Conference on Complex Systems (ECCS'14), IMT Lucca (Italy).

- September 2014: European Conference on Complex Systems (ECCS'14), IMT Lucca (Italy).

- September 2014: official opening of the Leiden Centre for Data Science, Leiden University (the Netherlands).

- July 2014: International Conference on Statistical Physics (SigmaPhi 2014), Rhodes (Greece).

- April 2014: Nederlands Mathematisch Congres (NMC 2014), TU Delft (the Netherlands).

- March 2014: Tinbergen Institute, Amsterdam (the Netherlands).

- December 2013 (declined): National Systems Conference, Indian Institute of Technology, Jodhpur (India).

- November 2013 (keynote talk): Workshop "Complexity in the Digital Humanities", University of Amsterdam (the Netherlands).

- May 2013: "This Week's Discoveries", University of Leiden (the Netherlands).

- May 2013: Trends in Theory 2013 (10th biennial symposium of the Dutch Research School of Theoretical Physics), Dalfsen (the Netherlands).

- December 2012: Symposium "Social Physics: the dynamics of human behavior and the economy", Eindhoven (The Netherlands).

- November 2012: International Conference "Econophysics and Agent-Based Models", Kolkata (India).

- September 2012: NWO Complexity Meeting, Leiden University Medical Center (The Netherlands).

- December 2011 (declined): NWO Complexity Winter School, Zandvoort (The Netherlands).

- December 2011: Meeting of the Utrecht Physical Society, University of Utrecht (The Netherlands).

- November 2011: Seminar of the Institute for Complex Molecular Systems, University of Eindhoven (The Netherlands).

- July 2011 (declined): Sigma Phi 2011 - International Conference on Statistical Physics (Cyprus).

- June 2011: Science Coffee, Advanced Concepts Team, European Space Agency (ESA), Noordwijk (The Netherlands).

- May 2011: "This Week's Discoveries", University of Leiden (the Netherlands).

- May 2011: Joan van der Waals Colloquium, University of Leiden (The Netherlands).

- May 2011: Casimir Symposium, University of Delft (The Netherlands).

- March 2011: Workshop "Networks constrained to change", Green Templeton College, University of Oxford (UK).

- March 2011: Postgraduate School on “Statistical Physics and Theory of Condensed Matter”, Driebergen-Rijsenburg (The Netherlands).

- February 2011: Network Theory and Complexity, Siena University (Italy).

- September 2010 (declined): Science of Complex Networks (SCNET 2010) - Satellite event for the European Conference on Complex Systems (ECCS 2010), Lisbon (Portugal).

- October 2009: Energy Growth, Efficiency and Complexity, Siena University (Italy).

- September 2009: BioPhys09: Biology and Beyond, Arcidosso (Italy).

- September 2008: NetAce Conference, Brunel University, West London (UK).

- September 2008: Dynamics Days Asia Pacific, Nara (Japan).

- June 2008: CREEN Symposium, satellite of NetSci2008 - Norwich (UK).

- September 2006: Workshop on Social and Ecological Networks, European Conference on Complex Systems (ECCS 2006), Oxford (UK).

- September, 2006: Third International School of Complexity on “Physics and Socio-Economics Phenomena”, Erice (Italy).

- January-February 2006: Interfacing Networks: from behavioural Networks to info-structures and infrastructures, ISI Foundation, Torino (Italy).


Organization of International Conferences



- September 2016: Leiden Networks Day, University of Leiden (The Netherlands).

- September 2016: "Financial Networks and Policy Applications: from Systemic Risk to Sustainability​", Satellite of the Conference on Complex Systems (CCS2016), Amsterdam (The Netherlands).

- September 2016: "Fundamentals of Networks​", Satellite of the Conference on Complex Systems (CCS2016), Amsterdam (The Netherlands).

- March 2015: International Workshop "Socio-Economic Complexity", Lorentz Center, Leiden (The Netherlands).

- May 2013: International Workshop "Econophysics and Networks Across Scales", Lorentz Center, Leiden (The Netherlands).

- June/July 2010: International School on Multidisciplinary Approaches to Economic and Social Complex Systems, University of Siena (Italy).


Membership of scientific/technical committees of International Conferences



- June 2016: Summer Solstice 2016 - 8th International Conference on Discrete Models of Complex Systems (Aveiro, Portugal).

- November 2014: Third International Workshop on Complex Networks and their Applications [collocated with SITIS 2014] (Marrakech, Morocco).

- February 2009: Complex’2009 - First International Conference on Complex Sciences: Theory and Applications (Shangai, China).

- December 2008: Joint Conference of the 2008 Winter Workshop on Economics with Heterogeneous Interacting Agents and the 7th International Conference on Computational Intelligence in Economics and Finance, Kainan University, (Taoyuan, Taiwan).

- May 2008: Third International Workshop of Emergent Intelligence on Networked Agents WEIN’08, (Estoril, Portugal).


Grants



- 2011-present: PI for the research program funded by Stichting Econophysics (Econophysics Foundation), Leiden.

- 2012-2016: One PhD position funded by Stichting Econophysics (Econophysics Foundation), Leiden.

- 2013-2017: One PhD position funded by the Leiden/Huygens Fellowship.

- 2014-2018: One PhD position co-funded by the “NETWORKS” program (Netherlands Organisation for Scientific Research, NWO) and the Leiden/Huygens Fellowship.

- 2013-2016: Local Coordinator of the EU large-scale integrating project “MULTIPLEX” (contract 317532, total budget 6 million euros).

- 2016: NWO Preparatory grant on Complexity in Transport and Logistics "CASTE: Complex Adaptive manufacturing and logistics Systems in Transition to a resource-efficient Economy".


Prizes/awards



- September 2013: Nominated for the "Discoverer of the year" ("Ontdekker van het jaar") competition of the Faculty of Science, University of Leiden (NL).

- April 2013: supervisor of the project awarded with the Jan Kijne Prize for best research project (conducted by Philip Verduyn Lunel and Sjoerd Bouma, Pre-University College Leiden)

- March 2012: Best Paper Award (plus cash prize) at the 6th International Workshop on Self-Organizing Systems, Delft (NL), awarded by the International Federation for Information Processing (IFIP).

- October 2009 (declined): Award of a 3-months Visiting Postdoctoral Research Fellowship, OCCAM (Oxford Center for Collaborative and Applied Mathematics), University of Oxford (UK).

- September 2004: best talk presented by young researchers at the “First Bonzenfreies Colloquium on Market Dynamics and Quantitative Economics”, Alessandria (Italy), Hotel Lux.

- September 2003: best talk presented by young researchers at the “Second International Conference on Frontier Science ‘a Nonlinear World: the Real World’”, Pavia (Italy), Collegio Cairoli.


Activity as Referee of International Journals



Nature, Physical Review Letters, Physical Review X, Scientific Reports, Plos ONE, New Journal of Physics, EuroPhysics Letters, Physical Review E, European Physical Journal B, Physica A, Journal of Physics A, Journal of Statistical Mechanics, Physics Letters, Advances in Complex Systems, BioMed Central Systems Biology, BioMed Central Bioinformatics, Ecological Modelling, Journal of Economic Behaviour and Organization, Journal of Economic Interaction and Coordination, Quantitative Finance, Social Networks, Industrial and Corporate Change.


Activity as Referee for National Funding Agencies



- Swiss National Science Foundation (SNSF), Switzerland.
- Research Foundation Flanders (FWO), Belgium.
- Foundation for Fundamental Research on Matter (FOM), the Netherlands.
- Israeli Science Foundation (ISF), Israel.





Full list of publications

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