Complex networks, percolation, cascades, systems of complex systems
| ECS/MAE 253 | Bio | Publications | Grants
| Team Members |
• Attend Mx16, May 20-22, 2016, our interdisciplinary symposium on multi-dimensional networks!
• Our review article on Explosive Percolation, Nature Physics, 11(7), 2015.
• "The New Laws of Explosive Networks" Quanta Magazine, July 14, 2015 & Wired Magazine, Aug 1, 2015.
• SFI hosts our MURI working group on control of interdependent networks, June 23-26, 2015.
• Inside Science article on our recent work in opinion dynamics with Zealots (Feb, 2015).
• Our special issue: "The Digital Age and the Future of Social Network Science and Engineering", Proc. IEEE 102 (12) 2014.
• Our paper on Targeted Control appears in Nature Communications (Nov 12, 2014)
• Read our newest article in PRL on microtransitions and early warning signs for percolation (Apr 18, 2014).
• Network Theory Course, Spring 2014. Tues/Thurs, 12:10 - 1:30pm, Bainer 1062.
• Attend NetSci 2014. I am the General Chair.
• PhD Candidate, Charlie Brummitt, wins a James S. McDonnell Postdoctoral Fellowship in Studying Complex Systems, 2014-2016!
• Raissa joins the World Economic Forum's Global Agenda Council on Complex Systems.
• Our MURI proposal is selected for funding! $6.25million over the next five years.
Predicting and Controlling Systems of Interdependent Networks: Exploiting Interdependence for Control
UC Davis Press Article
• Our new article in PRL (Aug 12, 2013) is chosen as Editor's Suggestion., "Getting out of control", by N. A. M. Araujo.
See the accompanying Viewpoint
"The New Laws of Explosive Networks" Quanta Magazine, July 14, 2014 & Wired Magazine, Aug 1, 2015.
"Zealots Help Sway Popular Opinions" Inside Science, Feb. 19, 2015.
"The Mathematics of Averting the Next Big Network Failure", Wired Magazine/Simmons Science News, Mar. 19, 2013.
"When Networks Network", Science News, Sept 22, 2012.
"Embracing complexity", FQXi, Nov 6, 2012.
(Full publication list)
C. D. Brummitt, P. D. H. Hines, I. Dobson, C. Moore, R. M. D'Souza, Transdisciplinary electric power grid science
PNAS, (Opinion piece), July 23, 2013.
Supplemental Information, including figures and background.
C. D. Brummitt, R. M. D'Souza and E. A. Leicht, "Suppressing casades of load in interdependent networks" PNAS, Feb 21 2012.
Executive summary: 2-page "Author Summary" (pdf)
Press articles: Computerworld
UCD College of Engineering News
Wei Chen, Z. Zheng and R. M. D'Souza,
"Deriving an underlying mechanism for discontinuous percolation",
Europhysics Letters, 100 (6), 66006, 2012.
W. Chen and R. M. D'Souza, "Explosive percolation with multiple giant components",
Physical Review Letters, 106, 115701, 2011. (pdf)
D. Achlioptas, R. M. D'Souza and J. Spencer, "Explosive Percolation in Random Networks", Science, 323 (5920) 1453-1455, 2009.
Accompanying Perspective: T. Bohman, "Emergence of Connectivity in Networks", Science, 323 (5920) 1438-1439, 2009.
Press articles: Eurekalert Press Release
New Scientist Article
V. Filkov, et. al.
"Modeling and verifying a broad array of network properties"
Europhysics Letters, 86, 28003, 2009.
R. M. D'Souza, C. Borgs, J. T. Chayes, N. Berger, and R. Kleinberg,
"Emergence of Tempered Preferential Attachment From Optimization", PNAS, 104, (15), 6112-6117, 2007,
(Cover Story) .
Press articles: UCDavis press releaseLa Recherche
R. M. D'Souza, "Coexisting phases and lattice dependence
of a cellular automata model for traffic flow", Physical Review E, 71, 066112, 2005.
Movie of the elusive intermediate phases).
7/2014 onwards, Professor, UC Davis.
2007 - present, External Professor, Santa Fe Institute.
7/2008 - 6/2014, Associate Professor, UC Davis.
2005 - 6/2008, Assistant Professor, UC Davis.
Joined GGCS 2005, GGAM 2007.
2002-2005, Postdoctoral Fellow, Microsoft Research: Theory Group.
1999-2002, Postdoctoral Fellow, Bell Labs: Math Center and Theoretical Physics Groups
1999, PhD in Statistical Physics, MIT, for work done jointly in the Lab for Computer Science.
Kavli Fellow, National Academy of Sciences USA: 2006, 2007, 2008, 2011.
Mathematics Illuminated, (Episodes 7 and 11). Series produced by Annenberg Foundation and Oregon Public Broadcasting.
Winter 2015 : ECS 15, Introduction to Computers
Spring 2014 : Networks course: ECS289 / MAE 298, Network Theory and Applications
Winter 2014 : MAE 216, Advanced Thermodynamics
Winter 2013 : ECS 15, Introduction to Computers
Spring 2012 : MAE 216, Advanced Thermodynamics
Fall 2011 : ENG 105, Thermodynamics
Fall 2011 : ENG 105, Thermodynamics
Winter 2011 : Networks course: ECS289 / MAE 298, Network Theory and Applications
Fall 2010 : ECS 20, Discrete Math
Fall 2010 : ENG 105, Thermodynamics
Spring 2009 : Advanced topics in network theory
Fall 2008 : ENG 105, Thermodynamics
Fall 2007 : Networks course: NSF VIGRE Research Focus Group on Probability.
Spring 2008 : MAE 298, "Network Theory and Applications", (2007 version) and (2006 version)
Fall 2006. Winter 2006. Spring 2008. ENG 102, "Dynamics"
Winter 2007 : ENG 105, "Thermodynamics"
Resources for Summer Internships (a little outdated)
Workshop organization and talks: (Slides and videos of recent talks are here)
Steering Committee, NetSci-X, 2016, Wroclaw Poland, Jan 11-13, 2016.
General Chair, NetSci 2014, June 2-6, 2014.
Program Committee, NetSci 2013, June 3-7, 2013.
TPC, NetSciCom 2013, April, 2013.
Organizer, Graduate Group in Applied Math Mini-conference, UC Davis, Jan 26, 2013.
Scientific Steering Committee, Networks Of Networks: Systemic Risk and Infrastructural Interdependencies, Satellite of NetSci 2012, Northwestern University, June 19, 2012.
Power Grids as Complex Networks: Formulating problems for useful science and science based engineering, Santa Fe Institute, May 17-19, 2012
TPC, 9th Workshop on Algorithms and Models for the Web Graph (WAW'12).
TPC, 6th International Workshop on Self-Organizing Systems (IWSOS 2012), March 15-16, 2012, Delft, The Netherlands.
Dynamics of Networks workshop, for the 2010-11 Program on Complex Networks at SAMSI.
Co-chair, 2011 Indo-US Kavli Frontiers of Science, April 18-20, 2011.
Co-chair, 11th Kavli Frontiers of Science, sponsored by the Japan Society for the Promotion of Science and the U.S. National Academy of Sciences, Irvine CA, December 2008.
10th Kavli Frontiers of Science, sponsored by the Japan Society for the Promotion of Science and the U.S. National Academy of Sciences, Japan, December 2007 (Organizing committee member).
European Conference on Complex Systems, University of Oxford, 25-29 September 2006 (TPC member).
Keynote Speaker, Complex Networks 2016, Milan, Italy Nov 30 - Dec 2, 2016.
Colloquium, Physics Department, Boston University, March 22, 2016.
Invited Speaker, APS March meeting, Session V3: Complex Network Dynamics, March 17, 2016.
Invited lecture, Mechanical Engineering/IGERT seminar, UC Santa Barbara, Nov 9, 2015.
Colloquium, Applied Mathematics, Northwestern University, Oct 5, 2015.
Invited lectures, University of Alaska, Anchorage, Complex Systems lecture series, April 2-3, 2015.
Keynote Speaker, UC Davis, Statistical Sciences Symposium, April 10-11, 2015.
Invited Speaker, UC Davis, Institute for Social Sciences 2015 Conference, May 8, 2015.
Keynote Speaker, NetSci 2015, Zaragoza Spain, June 1-5, 2015.
Invited Speaker, Berkeley Mini-Stat Mech Meeting, UC Berkeley, Jan. 11, 2014.
Colloquium, Stanford Complexity Group, Stanford University, Aug. 4, 2014.
The John von Neumann Public Lecture, Wisconsin Institutes for Discovery, University of Wisconsin, Nov. 5, 2014.
Invited Speaker, Dynamics Days US, Denver CO, Jan 3-6, 2013.
Invited Speaker, American Physical Society March Meeting, Baltimore MD, Mar 18-22, 2013.
Distinguished Physics & Astronomy Complex Systems Seminar, Northwestern University, Chicago, April 25, 2013.
Invited Speaker, SIAM dynamical systems conference, May 19-23, 2013.
Colloquium, ETH Risk Center, ETH Zurich, Oct 29, 2013.
Invited Speaker, American Association for the Advancement of Science (AAAS) Annual Meeting, 16-20 Feb, Vancouver, Canada.
Distinguished Lecture Series, UC Irvine, April 27, 2012.
Santa Fe Institute Colloquium, May 16, 2012.
Power Grids as Complex Networks, Santa Fe Institute, May 17-19, 2012
Lecturer, 8th Cornell Probability Summer School, Cornell University, July 16-27, 2012.
Invited speaker, Complexity of Interacting Networks, satellite meeting of ECCS '12
Keynote speaker, Coupled Networks, Dragon Kings and Explosive Percolation: New Views on Extreme Events, Workshop of the ETH Risk Center, ETH Zurich, October 25-26th, 2012.
Physics Colloquium, UC Riverside, Nov 29, 2012.
Invited Speaker, American Physical Society March Meeting, Dallas, TX. Mar 21-25, 2011.
Invited Speaker, NetONets 2011, Central European University, Budapest, Hungary. June 7, 2011.
Invited Speaker, NetSci 2011, Hungarian Academy of Sciences, Budapest, Hungary. June 8-10, 2011.
Invited Speaker, The Foundational Questions Institute, Setting Time Aright, Norway and Denmark, Aug 27-Sep 1, 2011.
Invited Speaker, Network Frontier Workshop, Northwestern University, Dec 1, 2011.
Applied Math Colloquium, Cornell University, Ithaca NY, Dec 2, 2011.
Invited lecture, Nonlinear Dynamics of Networks, Univ. of Maryland, 5-9 April, 2010.
Working group on interdependent networks, Santa Fe Institute, June 21-24, 2010.
TTI Vanguard, Matters of Scale, London England, July 20-21, 2010.
"Science of Cities", Bellagio, Italy, July 27-30, 2010.
SAMSI Opening Workshop, 2010-11 Program on Complex Networks, Aug 29-Sep 1, 2010.
Physics Colloquium, UC Davis, Feb 9, 2009.
Massachusetts Institute of Technology, Engineering Systems Seminar, April 9, 2009.
Physics Colloquium, Perimeter Institute for Theoretical Physics, May 20, 2009.
Invited lecture, Canadian Discrete and Algorithmic Mathematics Conference, Montreal, May 25, 2009.
Invited lecture, NetSci 2009, Venice Italy, 29 June - 03 July.
Invited participant, "Lakeside Research Days", University of Klagenfurt Austria, 13 July - 17 July.
Colloquium, Microsoft Research, Oct 7, 2009.
Massachusetts Institute of Technology, Combinatorics Seminar, Department of Mathematics, Oct 28, 2009.
Northeastern University, CCNR Seminar, Dec. 8, 2009.
Massachusetts Institute of Technology, LIDS Seminar, Dec.7, 2009.
Physics Colloquium, University of Maryland, April 29th, 2008.
Keynote address, Davis SIAM Student Research Conference, May 3, 2008.
ICME Colloquium, Stanford University, May 19, 2008.
Opening Plenary Session, Supernova 2008: Challenges for the Network Age, June 19, 2008.
The Network Resilience Challenge, Secretary of Defense Highlands Forum, Wilmington, DE, Oct 5-7, 2008.
NAKFI Complex Systems, Irvine CA, Nov 12-15, 2008.
Bayesian Statistics and Massive Data Streams, Applied Math Session JAFOS, Irvine CA, Dec 4-7, 2008.
DIMACS-Georgia Tech "Workshop on Complex Networks and Systems", January 22-24, 2007 (Invited Lecture).
Institute for Pure and Applied Math, "Random Curves, Surfaces, and Transport", April 16 - 20, 2007 (Invited Lecture).
Institute for Pure and Applied Math, "Random and Dynamic Graphs and Networks", May 7 - 11, 2007 (Invited Lecture).
NetSci 2007, May 20-25, 2007 (Invited Lecture).
SFI Complex Systems Summer School, Beijing, China. July 23-27, 2007 (Faculty Lecturer).
Network Dynamics and Traffic Control, Jamming and Flow, Applied Math Session JAFOS, Japan, Dec 2007.
AMS Meeting, Special Session on Probability and Statistical Physics, April 29-30, 2006 (Invited Lecture).
MAA Prep Workshop, Mathematics of Markov Chain Monte Carlo, June 12-16, 2006 (Invited Lecturer).
SFI Complex Systems Summer School, Beijing, China. July 2006 (Faculty Lecturer).
American Institute of Mathematics, "Workshop on Phase Transitions in Physics, Computer Science, Combinatorics and Probability Theory", Palo Alto, CA, August 21-25, 2006 (Invited participant).
9th Annual Kavli Frontiers of Science, Japan Society for the Promotion of Science and the U.S. National Academy of Sciences, Irvine, CA, December 8-10, 2006 (Invited participant).
Valparaiso Complex Systems Institute (ISCV), Chile.
(Organizing the December 2006 residency month on "Networks and Statistical Physics")
Jeff Emenheiser, Physics PhD Candidate.
Research Areas |
Fun | CSE Seminar
Samuel Johnson, Computer Science PhD expected Sept 2015.
Pierre-Andre Noel, Postdoctoral Scholar.
Marton Posfai, Postdoctoral Scholar.
Andrew Smith, Computer Science PhD Candidate.
Vikram S Vijayaraghavan, Physics PhD expected Aug 2015.
Alex Waagen, Postdoc. Applied Math PhD, Dec 2014.
Dissertation "Phase transitions on static and evolving networks".
Haochen Wu, Computer Science PhD Candidate.
Charlie Brummitt, Applied Math PhD, June 2014.
Dissertation "Models of systemic events: interdependence, contagion, and innovation".
Currently: James S. McDonnell Postdoctoral Fellow of Complex Systems, and based at Columbia University, 2014-16.
Charlie is on the job market!
Dr. Wei Chen, Applied Math PhD June 2012 (from Peking University).
Next step: Assistant Professor at Chinese Academy of Sciences
Currently, Postdoctoral Scholar, Northeastern Univ.
Dissertation selected by Springer Thesis Outstanding Ph.D. Research and published as a book.
Dr. Haoran Wen, PhD, Jan 2011, Mech and Aero Eng. Now, Software Engineer at Microsoft.
(Co-evolution and community structure in socio-technical open-source software networks.)
Dr. Elizabeth Leicht, Postdoctoral Scholar 2008-2010.
Currently: Junior Fellow, Oxford University and
Senior Research Fellow, CABDyN Complexity Centre
Dr. Soumen Roy, Postdoctoral Scholar, 2007-2009.
Currently: Assistant Professor, Bose Institute, Kolkata India.
Daniel Wuellner, GGAM MS, 2010.
Umberto Perna, Visiting Research Scholar.
Osamu Yamaguchi, Visiting Scientist, 2007-2008, JFE Steel Corporation.
Nicholas Linesch, Applied Math, BS 2007. Currently MS Candidiate, TTP UCDavis. (Traffic modeling.)
Some fun things:
Gallery of scientific images and movies
A poem John Preskill wrote to introduce my Caltech physics colloquium.
Brubar Energy Bars