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• Research interests
• Employment and education history
• Education
• Awards
• Professional activities
• Management
• Grants and sponsored programs
• Media features
• Mentored graduate students
• Mentored postdoctoral associates
• Invited lectures and addresses

Research Interests

• Statistical physics and non-equilibrium statistical mechanics: spin systems, exactly solvable models, random walks, surface growth and interface dynamics
• Agent-based systems: multi-player games, game theory, collective optimization
• Computational physics: massively parallel computation and algorithms
• Complex networks: applications to infrastructure networks
• Biophysics: population dynamics, epidemics, genetic sequence modeling, evolution
• Nonlinear dynamical systems and chaos: nonlinear time series analysis, thermodynamic formalism, chaos control and synchronization
• Fluid dynamics: chaotic advection, chemical/biological activity in chaotic flows

Employment and Education History

• Deputy Director, Center for Nonlinear Studies, LANL, 2004-present
• Technical Tesearch Staff Member, Complex Systems Group, LANL, 2002-present
• Director Funded Fellow, Los Alamos National Laboratory, 2000-2002
• Research Associate, University of Maryland at College Park, 98--2000
• Graduate Research Assistant and Research Associate, Virginia Tech, 94--98
• MHB research fellow, Eötvös University, Hungary, 1992-94

Education

• Ph.D. : May 9, 1997, Virginia Tech, in Physics. Thesis: Analytic Results for Hopping Models with Excluded Volume Constraint , advisor Royce K.P. Zia.
• Diploma de Licensâ (MSc.) : June 1992, Babeş - Bolyai University, Romania, in Physics.

Awards

• Special Merit Award for Outstanding Participation in the Materials Research Science and Engineering Center's Education Outreach Program, University of Maryland (1999)
• National Science Foundation and the Georgia Institute of Technology ICMP Travel Grant for the XIIth International Congress of Mathematical Physics, Brisbane, Australia (1997)
• C.H. Wan Scholarship for academic excellence in physics, Virginia Tech (1996)
• Bolyai College of Eötvös University, Supplementary Grant for Summer School and Workshop, Budapest, Hungary (1995)
• Niels Bohr Institute Supplementary Grant for Summer School, Humlabæk, Denmark (1993)
• Erdélyi Múzeum Egyesület and the Department of Education of Hungary Scholarship (1992)
• Special Prize, "Traian Lalescu" National Problem Solving Competition in Physics, Romania (1989)

Professional Activities

Conference organizer or co-organizer for:

• CNLS 26th Annual International Conference on Social-technical Systems: Bridging the Scales , May 22-25, Hotel La Fonda, Santa Fe
• CNLS International Workshop on Optimization in Complex Networks, June 19-22, 2006, Los Alamos
• CNLS International Workshop on Collectives Formation and Specialization in Biological and Social Systems, April 20-22, 2005, Hotel Radisson, Santa Fe
• LANL-IMA workshop on Agent-based Modeling and Simulations, November 3-6, 2003, Minnesota
• CNLS 23rd Annual International Conference on Networks: Structure, Dynamics, and Function, May 12-16, 2003, Hotel La Fonda, Santa Fe, over 350 participants
• Agent-based Modeling and Simulations Seminar series, February - November 2001, LANL, Los Alamos
• International Workshop on Chemical and Biological Activity in Flows, Max-Planck Institute for Complex Systems, August 26 - September 27, 2002, Dresden, Germany
• CNLS/TDO LANL Workshop on Anomalous Distributions, Nonlinear Dynamical Systems, and Nonextensivity, November 4-8, 2002, LANL, Los Alamos
• CNLS-LANL International Workshop on Active Chaotic Flow, May 2001, Los Alamos
• SIAM-DS01 Minisymposium on Active Chaos in Environmental Flows, May 2001, Snowbird, Utah
• Dynamics Days, Fifteenth Annual Informal Workshop, June, 1994, Budapest, Hungary, over 300 participants

Referee for:

Nature, Proceedings of the National Academy of the USA, Physical Review Letters, Physical Review, Europhysics Letters, Journal of Fluid Mechanics, Journal of Theoretical Biology, Journal of Physics A: Math. and General, Physica A, Surface Science, Chaos, Advances in Complex Systems, Drug Discovery Today, Lecture Notes in Physics.

Grant proposal reviewer for:

National Science Foundation, NASA, Los Alamos National Laboratory, The Sweedish Research Council.

Editorial:

• Journal of Economic Interaction and Coordination, Springer, editorial board.
• Lecture Notes in Physics Series, 650, Complex Networks, Eds. E. Ben-Naim, Z. Toroczkai and H. Frauenfelder, Springer-Verlag, 2004, 520 pages, guest editor.
• Chaos, Special Focus Issue on Active Chaotic Flow, June 2002, guest editor.

Society Memberships:

• American Physical Society

Management

Training

Group Management Development Course, 2004,Los Alamos National Laboratory.

Experience

• Team Leader for the LDRD DR project S.P.I.N., involving 16 research staff, 3 postdoctoral associates and 2 GRA summer students, and a yearly budget of $1.5Million, Oct. 2003 - Oct. 2005.
• Deputy Director for Center for Nonlinear Studies (CNLS), February 2004 - present. CNLS runs a strong postdoctoral program with 25 postdocs, a summer GRA student program (about 16 students every summer) a visitor program of about 200 visitors/year, a conferences program with one large-scale Annual Conference and about 10-12 workshops every year. CNLS yearly budget is approx. $2Million.

Grants and Sponsored Programs

• Principal Investigator, LANL LDRD-20040141DR, total budget: $4.5 Million, project title: Statistical Physics of Infrastructure Networks (S.P.I.N.) , duration: 3 years, Sept. 2003 - Sept. 2006, status: awarded, ongoing.
• Co-Principal Investigator, LANL LDRD-20041010DR, total budget: $1.98 Million, project title: Dynamics of Complex Networks: Biology, Information, and Security, duration: 3 years Sept. 2004 - Sept. 2007, status: awarded, ongoing.
• Co-Principal Investigator, LANL LDRD-20050631DR, budget: $1.83 Million, project title: Nonlinear Behavior in Complex Systems, duration: 3 years Sept. 2004 - Sept. 2007, status: awarded, ongoing.
• Co-Principal Investigator, LANL LDRD-20050632DR , total budget: $1.845 Million project title: Cooperative Phenomena in Soft Matter, duration: 3 years Sept. 2004 - Sept. 2007, status: awarded, ongoing.
• Principal Investigator, LANL LDRD-20030596ER, total budget: $150,000, project title: Rare Event Statistics and Scaling in Systems Far from Equilibrium, duration 1yr, Sept. 2002 - Sept. 2003, status: awarded, expired.
• Co-Principal Investigator, NSF-INT99, US-Hungarian International Agreement Project, NSF Number: INT0000526, budget: $49,470; project title: Effects of tracer inertia in active chaotic flows, duration: 3 years, 1999-2002, status: awarded, expired.

Media features

See the main navigation link on the left.

Mentored Graduate Students

• Izabella Benczik, Eötvös University, 2002 student, wrote a cover-page PRL (vol. 89, 164501, 2002), and a PRE (vol. 67, 036303, 2003) on the work she did as a summer student at LANL. Since then she graduated, now she is postdoc at Virginia Tech.
• Hasan Guclu, Rensselaer Polytechnic Institute, summers of 2002 and 2003. Actively contributed to many publications, including a Science article (vol. 299, 677 (2003)) and on the work he did as summer GRA at LANL in 2003 and a Nature article (vol. 429, 180 (2004)). Graduated August 2005, and he is currently a Director Funded Postdoctoral Fellow at LANL.
• Balazs Kozma (RPI), summer 2004, expected graduation 2006.
• Eduardo Lopez (Boston U.) summer 2004, graduated April 2005. Currently LANL postdoc.
• Gerardo Chowell, Cornell University, summers of 2003 and 2004. Gerardo is a Director Funded Postdoctoral Fellow at LANL.
• Sameet Sreenivasan, Boston University, summer 2005, expected graduation 2006.

Mentored Postdoctoral Associates

• Erica Camacho, 2004, graduated from from Cornell University in Applied Mathematics. Erica is now assistant professor of mathematics at Loyola Marymount U. (Los Angeles).
• Eduardo Lopez, 2004--2006, graduated from Boston University April 2005.
• Adilson Enio Motter, 2005--2007, Director's Funded Postdoctoral Fellow.
• Erzsébet Ravasz, 2004--2006, Director's Funded Postdoctoral Fellow, Notre Dame graduate.
• Yeo-Jin Chung, 2005, now assistant professor at Southern Methodist University.
• Natali Gulbahce, 2005-2007, graduated from Clark University January 2005.

Invited Lectures and Addresses

• Conference on Dynamics on Complex Networks and Applications, Max-Planck-Institut für Physik Komplexer Systeme, Dresden. Germany, February 2006.
• Workshop on Computation in Nanoscale Dynamical Systems, Bishop's Lodge, Santa Fe, January 2006.
• Conference on Applications of Methods of Stochastic Systems and Statistical Physics in Biology University of Notre Dame, October 2005.
• U.S. Frontiers of Engineering Symposium of the National Academy of Engineering, GE Global Research Center, Niskayuna, NY, September 2005.
• 3rd International Conference on Statistical Physics, NEXT-SIGMAPHI, Kolymbari-Crete, Greece, August 2005.
• Department of Defense Workshop on Complex Behavior of Adaptive, Network-Centric Systems, University of Maryland, July 2005.
• Third SPIE International Symposium, Fluctuations and Noise, Austin, Texas, May 2005.
• Condensed Matter Seminar, Physics Department, Notre Dame University, Nov. 2004.
• Physics Department seminar, Boston University, Oct. 2004.
• Renssellaer Polytechnic Institute, Troy, NY, Oct. 2004 (colloquium)
• Conference on Complex Systems, Northwestern University, Oct. 2004.
• Computational and Applied Mathematics Seminar, U.C. Irvine, Sept. 2004
• Eötvös University, Budapest, Hungary, July 2004 (colloquium).
• University of California at San Diego, May 2004.
• The University of Arizona, Tucson, AZ, March 2004 (colloquium)
• Conference on Growing Networks and Graphs in Statistical Physics, Finance, Biology and Social Systems, Midterm conference, COSIN, Rome, Italy, Sept. 2003.
• Workshop on Collectives and the Design of Complex Systems August 25-28, 2003, Stanford University, Palo Alto, CA, USA.
• APS March Meeting, 2003, Austin, TX.
• Eötvös University Physics Department Colloquium, Budapest, Hungary, December 2002, (colloquium)
• NASA workshop on Collectives and the Design of Complex Systems, NASA, Ames, Aug. 2002.
• UCLA conference on Agent-based modeling in the social sciences, Lake Arrowhead, May, 2002.
• EGS XXVII assembly meeting, Nice, France, April 2002.
• Northwestern University, Chemical Engineering Colloquium, February 2002.
• Santa Fe Institute Workshop on Mathematical Foundations of Distributed Intelligence, Santa Fe, January 2002.
• CNLS Statistical Physics Working Seminar Series, Fall, 2001 (3 lectures).
• Workshop on Computational complexity and Stat. Physics, Santa Fe, Sept. 2001.
• P/T Colloquium, May 10, LANL, 2001.
• SIAM-DS01 Dynamical Systems meeting, Snowbird, Utah, 2001.
• Eötvös University, Budapest, Hungary, 2000 (colloquium).
• Renssellaer Polytechnic Institute, Troy, NY, 2000 (colloquium).
• Duke University, CNLS-CNCS Workshop Durham, NC, 2000.
• University of Virginia, Charlottesville, VA, 1999.
• University of Maryland at College Park, 1998 (2 lectures)
• Center for Nonlinear Studies, Los Alamos National Laboratory, 1998.
• XIIth International Congress of Mathematical Physics, Brisbane, Australia, 1997.