Complexity Digest 2003.29
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- Excellence in Computer Simulation, arXiv
- Transcription Regulation And Animal Diversity, Nature
- Researchers Locate Tumor-suppressor Gene in Fruit Flies That Controls Cell Production, Death, EurekAlert
- Predicting Future Rewards, Science
- Conversion of Working Memory to Motor Sequence, Science
- Modified Mice Show Super-Healing Powers, New Scientist
- Head Size Gives Autism Early Warning, New Scientist
- A Sigh of Relief for Painkillers, Science
- HIV Hybrid Formed In A Human Revealed, New Scientist
- Identification Of A Complex Neurophysiological System, J. Biol. Sys.
- Stochastics Of Order: Applications To Population Dynamics, And Complexity, J. Biol. Sys.
- Biodiversity Meets the Atmosphere: A Global View of Forest Canopies, Science
- Modelling Food Webs, Handbook of Graphs and Networks
- The Evolution Of Movements And Behaviour: Experiment With Butterflies, Alphagalileo & Proc. B
- Pattern Formations In Chemical Systems, Adv. in Complex Sys.
- The Impressive Complexity In The Nautilus Pompilius Shell, Fractals
- Evolution Of Complex Flowering Strategies: Integral Projection Model Approach, Alphagalileo & Proc. B
- Bacterial Communication: Tiny Teamwork, Nature
- Hydrogen Lifts Off - With A Heavy Load, Nature
- Playing Tricks with Slow Light, Science
- Teaching Computers to Work in Unison, NYTimes
- Picking Up the Pieces, NYTimes
- US Unprepared for Iraq Order Collapse - Wolfowitz, Reuters
- Deputy Secretary of Defense Paul Wolfowitz Interview, Los Angeles Times
- Complex Challenges: Global Terrorist Networks
- Lack of Pre-9/11 Sources to Be Cited as Intelligence Failure, NYTimes
- Pattern of Corruption, NYTimes
- Links & Snippets
- Other Papers
- Coming and Ongoing Webcasts
- Conference Announcements & Call for Papers
- ComDig Announcement: New ComDig Archive in Beta Test
Excellence in Computer Simulation, arXiv
Abstract: Excellent computer simulations are done for a purpose. The most valid purposes are to explore uncharted territory, to resolve a well-posed scientific or technical question, or to make a design choice. Stand-alone modeling can serve the first purpose. The other two goals need a full integration of the modeling effort into a scientific or engineering program.
Some excellent work, much of it related to the Department of Energy Laboratories, is reviewed. Some less happy stories are recounted.
In the past, some of the most impressive work has involved complexity and chaos. Prediction in a complex world requires a first principles understanding based upon the intersection of theory, experiment and simulation.
Transcription Regulation And Animal Diversity, Nature
Excerpts: Whole-genome sequence assemblies are now available for seven different animals, including nematode worms, mice and humans. Comparative genome analyses reveal a surprising constancy in genetic content: vertebrate genomes have only about twice the number of genes that invertebrate genomes have, and the increase is primarily due to the duplication of existing genes rather than the invention of new ones. How, then, has evolutionary diversity arisen? Emerging evidence suggests that organismal complexity arises from progressively more elaborate regulation of gene expression.
Researchers Locate Tumor-suppressor Gene in Fruit Flies That Controls Cell Production, Death, EurekAlert
Excerpts: UT Southwestern Medical Center at Dallas researchers have discovered a tumor-suppressor gene that, in fruit flies, simultaneously restricts cell proliferation and promotes cell death, a process that may also play an important role in the genesis of cancer in humans. Removal of the gene, hippo, resulted in tumor formation in every organ of the fruit fly. The findings, which are currently online, will appear in an upcoming issue of Cell. "This is one of the few genes that has been discovered that directly controls two pathways, cell proliferation and cell apoptosis, or cell death," said Dr. Duojia Pan, assistant professor of physiology and senior author of the study. "Sustained growth of cancer cells requires activation of the cell proliferation machinery and suppression of a system called the apoptotic failsafe mechanism. The combination of suppressed cell death and deregulated cell production is likely a key element in cancer."
Predicting Future Rewards, Science
Excerpts: Our sense of which behavior to choose to reach a goal or obtain a reward is based on the perceived value of the reward, the effort needed to obtain it, and our previous experience about the likelihood of success. Information for anticipating reward is often provided through associations of these factors with environmental cues. Research over the past decade has yielded a great deal of information about how and where assessments related to anticipated reward occur in the brain.
Conversion of Working Memory to Motor Sequence, Science
Abstract: To plan a serial order behavior, we hold serial sensory information in our minds and convert it to a movement program. We trained monkeys to memorize a sequence of positional cues and to reproduce it by making saccades in either the original or reverse order. The order was determined in the middle of a trial on the basis of an instruction stimulus. Triggered by the instruction stimulus, single neurons in the dorsal premotor cortex became transiently active only when the order needed to be determined. These transient neurons, together with nearby sustained neurons that hold information on cue or movement sequences, appear to mediate the generation of a motor program from the maintained information.
Modified Mice Show Super-Healing Powers, New Scientist
Excerpts: Mice with a remarkable ability to heal wounds have been genetically engineered by scientists. The research may lead to better future treatments for skin disorders. The researchers were analysing the role of a gene linked to blood vessel formation when they inadvertently created mice with significantly thickened skin, swollen ears, noses and eyelids. Tests showed these mice also had the ability to rapidly heal wounds - two millimetre-wide holes created in the mice's ears closed completely within 28 days.
Head Size Gives Autism Early Warning, New Scientist
Excerpts: The brains of autistic children undergo an abnormal and dramatic growth spurt in the first year of their lives, according to a new study. The growth makes their heads markedly larger than those of normal infants.(..) During normal development, the brain grows slowly, and synapses, the connections among nerve cells, are retained or eliminated in response to sensory stimulation or motor activity. Courchesne proposes that the unchecked brain growth seen in the study may undermine this synaptic strengthening and pruning process, leading to the social isolation characteristic of the disorder.
A Sigh of Relief for Painkillers, Science
Excerpts: Like morphine and other narcotics, a painkiller called fentanyl disrupts nerve cells deep in the brain that register pain as well as another subset that governs breathing rhythm. Well-controlled doses of the drug can work wonders, but overexposure can be disastrous: In October 2002, 129 people died in a Moscow theater when authorities subdued hostage-takers there by pumping what many believe was fentanyl into the building.(...) Could fentanyl's effects on breathing and pain be separated? Their conclusion, reported on page 226, is a resounding "yes."
HIV Hybrid Formed In A Human Revealed, New Scientist
Excerpts: More than one type of the deadly virus can infect a person at the same time - a state called "superinfection". Scientists have long suspected that different strains could combine to produce a hybrid - but this had never been demonstrated before in a person with sexually-transmitted HIV. Now scientists have shown that two major subtypes of HIV-1 swapped genes with each other to form an entirely new virus in a female patient. Furthermore, the hybrid took over from the original infections to become the dominant virus in the woman's body.
Identification Of A Complex Neurophysiological System, J. Biol. Sys.
Abstract: In this work we use Generalized Linear Models (GLMs) in order to identify a complex neurophysiological system, called muscle spindle that involves stationary point processes. Two cases are examined. In the first case, there is no input present and it is shown that the system fires spontaneously. In the second case, the system is affected by the presence of a gamma motoneurone. It is shown that there is no spontaneous activity and the behavior of the system is excitatory. In the present work a new parameter, the carry over effect function is included in the model (...) improves the results significantly.
Stochastics Of Order: Applications To Population Dynamics, And Complexity, J. Biol. Sys.
Abstract: Biological dynamics which evolve continuously in time but are not time differentiable, necessarily exhibit random properties. These random features appear also as a result of the randomness of the proper time of biological systems. Usually, this is taken into account by using white noises that is to say fractals of order two. Fractals of order n larger than two are more suitable for increments with large amplitudes, and they may be introduced by using either real-valued fractal noises with long range memory (...). In the later case, we are then led to describe biological systems in the complex plane.
Biodiversity Meets the Atmosphere: A Global View of Forest Canopies, Science
Abstract: The forest canopy is the functional interface between 90% of Earth's terrestrial biomass and the atmosphere. Multidisciplinary research in the canopy has expanded concepts of global species richness, physiological processes, and the provision of ecosystem services. Trees respond in a species-specific manner to elevated carbon dioxide levels, while climate change threatens plant-animal interactions in the canopy and will likely alter the production of biogenic aerosols that affect cloud formation and atmospheric chemistry.
- Source: Biodiversity Meets the Atmosphere: A Global View of Forest Canopies, Ozanne, C. M. P., Anhuf, D., Boulter, S. L., Keller, M., Kitching, R. L., Korner, C., Meinzer, F. C., Mitchell, A. W., Nakashizuka, T., Dias, P. L. Silva, Stork, N. E., Wright, S. J., Yoshimura, M., Science 2003 301: 183-186
Abstract: We review theoretical approaches to the understanding of food webs. After an overview of the available food web data, we discuss three different classes of models. The first class comprise static models, which assign links between species according to some simple rule. The second class are dynamical models, which include the population dynamics of several interacting species. We focus on the question of the stability of such webs. The third class are species assembly models and evolutionary models, which build webs starting from a few species by adding new species through a process of "invasion" (assembly models) or "speciation" (evolutionary models). Evolutionary models are found to be capable of building large stable webs.
The Evolution Of Movements And Behaviour: Experiment With Butterflies, Alphagalileo & Proc. B
Abstract: As habitats become more fragmented, mobility patterns of organisms may also change. Whether these are evolutionary changes, was studied by comparing the behaviour of speckled wood butterflies among woodland landscape and fragmented agricultural landscape. Adult offspring of field-collected females were introduced in outdoor cages providing an artificial environment to test for differences. Woodland butterflies covered longer flight distances, were more prone to cross open-shade boundaries and travelled more frequently between woodland parts in the cages than did agricultural butterflies. These results agree with heritable differences in movements and dispersal propensity among the landscapes pointing at evolutionary consequences of habitat fragmentation.
Abstract: The formation of complex patterns in chemical systems is discussed in the following cases: relations of pattern formation to thermodynamics theories; unusually complex pattern formation in very simple experimental chemical systems; and numerical simulation of patterns that develop in multicellular chemical systems. The paper concludes with a discussion on future technological applications
The Impressive Complexity In The Nautilus Pompilius Shell, Fractals
Abstract: The complexity of the Nautilus pompilius shell is analyzed in terms of its fractal dimension and its equiangular spiral form. Our findings assert that the shell is fractal from its birth and that its growth is dictated by a self-similar criterion (we obtain the fractal dimension of the shell as a function of time). The variables that have been used for the analysis show an exponential dependence on the number of chambers/age of the cephalopod, a property inherited from its form.
Evolution Of Complex Flowering Strategies: Integral Projection Model Approach, Alphagalileo & Proc. B
Abstract: We develop a mathematical modelling technique appropriate for populations where demographic rates, (i.e. growth, survival and reproduction) depend on an individual's size and age. General properties of these models are explored mathematically. The technique is applied to a long-term data set on the thistle Carlina vulgaris. We use the model to predict how flowering should depend on size and age. The model has excellent descriptive properties but fails to predict the distribution of sizes at reproduction. Possible reasons for this discrepancy are discussed.
Bacterial Communication: Tiny Teamwork, Nature
Excerpts: Until recently, bacteria were considered to be self-contained and self-sufficient individuals. (...) We also assumed that they lacked the ability to communicate, a crucial function for organizing group activities. Our view has changed. Bacteria can organize into groups, they can communicate, and these abilities are important factors in the development of many diseases. Organized groups of bacteria in the form of biofilms often cause persistent infections, such as those of the middle ear, urinary tract, bone, heart valves and implanted medical devices.
Hydrogen Lifts Off - With A Heavy Load, Nature
Excerpts: If there is a way to make both electricity and hydrogen without releasing carbon dioxide, it would probably be wise to use it. In fact, it does exist and is already in use. (...) It is called nuclear fission power. Its fuel costs are fixed and supply is assured for at least 500-1,000 years, by which time there may be neutron-free, 'clean' fusion ¡X maybe. (...) Thus, the 400 gigawatts of electricity needed to extract hydrogen from water to power US surface transport could be cumulatively generated on land occupying only 233 km2.
Playing Tricks with Slow Light, Science
Excerpts: The speed of light pulses has been slowed to the snail's pace of a few meters per second (1). (...) This application of "slow light" holds promise for applications in quantum communication and computation. (...) The experiments reported by the two groups (3, 12) demonstrate that production of quantum mechanically correlated photons can be combined with atomic memory. Such a technique may become an important new tool for preparing, storing, and manipulating quantum states of light, and has some points in common with the delayed-choice quantum eraser
Teaching Computers to Work in Unison, NYTimes
Excerpts: The long-term grid vision is that anyone with a desktop machine or hand-held computer can have the power of a supercomputer at his or her fingertips. And small groups with shared interests could find answers to computationally complex problems as never before. Imagine, for example, a handful of concerned citizens running their own simulation of the environmental impact of a proposed real-estate development in their community. They wouldn't need their own data center or consultants.
Picking Up the Pieces, NYTimes
Excerpts: Advanced scanning technology makes it possible to reconstruct documents previously thought safe from prying eyes, sometimes even pages that have been ripped into confetti-size pieces. And although a great deal of sensitive information is stored digitally these days, recent corporate scandals have shown that the paper shredder is still very much in use. (...) ChurchStreet's software analyzes the graphical patterns that go to the edge of each piece. (...) The pages are scanned, and software analyzes the shreds for possible matches.
US Unprepared for Iraq Order Collapse - Wolfowitz, Reuters
Excerpts: Wolfowitz, a leading architect of the war in Iraq, told the paper that no amount of advance planning could have foreseen the collapse in law and order after the U.S. and British military victory. "The so-called forces of law and order (in Baghdad) just kind of collapsed. There is not a single plan that would have dealt with that," (...). "This is a country that was ruled by a gang of terrorist criminals and they're still around. They're threatening Iraqis and killing Americans," he said.
Deputy Secretary of Defense Paul Wolfowitz Interview, Los Angeles Times
Excerpts: The fact is we put a lot of thought and even contracts into planning to repair oilfields that we expected to be devastated. We put a lot of thought, and again contracts into how to put out oil fires in the north which would have been poisoning the whole environment with hydrogen sulfide. A lot of thought into, and again preparations, physical preparations, into planning to feed hundreds of thousands of displaced persons that would have been the result of what was feared to be largescale urban fighting.
Complex Challenges: Global Terrorist Networks
Lack of Pre-9/11 Sources to Be Cited as Intelligence Failure, NYTimes
Excerpts: One official who has read the report said counterterrorism officials regularly complained about the absence of human intelligence from the Afghanistan camps, saying that counterterrorism analysts were forced to rely on reports from foreign intelligence services, satellite imagery and intercepted communications, none of which detected any advance sign of the impending attacks. "We had amazing satellite pictures of them having graduation ceremonies at the camps, but we never had a clue what they planned to do when they left Afghanistan," one official said.
Pattern of Corruption, NYTimes
Excerpt: As Greg Thielmann, a former State Department intelligence official, said last week, U.S. intelligence analysts have consistently agreed that Saddam did not have a "meaningful connection" to Al Qaeda. Yet administration officials continually asserted such a connection, even as they suppressed evidence showing real links between Al Qaeda and Saudi Arabia.(...) What about the risk that an invasion of Iraq would weaken America's security? Warnings from military experts that an extended postwar occupation might severely strain U.S. forces have proved precisely on the mark.
Links & Snippets
- Climate's Little Girl Missing, Forecasters retract La Niña prediction
- El Nino's Many Ups and Downs
- Early Strikes Against Missiles Doomed
- Don't Entangle the Messenger
- How Badly Will It Hurt?
- Drug Deals Diabetes a One-Two Punch
- Anthrax's Lethal Knockout
- Detection of Quantum Noise from an Electrically Driven Two-Level System, Deblock, Richard, Onac, Eugen, Gurevich, Leonid, Kouwenhoven, Leo P., Science 2003 301: 203-206
- Future of Terror Case Is in Judge's Hands, Philip Shenon, 03/07/16, NYTimes
- Masturbating May Protect Against Prostate Cancer, Douglas Fox, 03/07/16, New Scientist
- U.S. May Be Forced to Go Back to U.N. for Iraq Mandate, Christopher Marquis, 03/07/19, NYTimes
- Bowing to Ally, Bush to Rethink Tribunals for British Subjects, Neil A. Lewis, 03/07/19, NYTimes
- Ford S.U.V.'s Use More Gas Than Before, Danny Hakim, 03/07/19, NYTimes
- 120 or 180 Yrs Old? Experts Debate Limit of Aging, Adam Tanner, 03/07/19, Reuters
- HIV: Cross-Talk And Viral Reservoirs, Roger J. Pomerantz - roger.j.pomerantzjefferson.edu, 10 July 2003, Nature 424, 136 - 137, DOI: 10.1038/424136a
- Cell Biology: The Molecules That Make Muscle, Donald Gullberg - donald.gullbergimbim.uu.se, 10 July 2003, Nature 424, 138 - 140, DOI: 10.1038/424138a
- Tumour Suppressors: Timing Will Tell, Anton Berns - a.bernsnki.nl, 10 July 2003, Nature 424, 140 - 141, DOI: 10.1038/424140a
- Oceanography: Stirring Times in the Atlantic, Bob Dickson - r.r.dicksoncefas.co.uk, 10 July 2003, Nature 424, 141 - 142, DOI: 10.1038/424141a
- Urbanization Effects On Tree Growth In The Vicinity Of New York City, Jillian W. Gregg, Clive G. Jones, Todd E. Dawson, 10 July 2003, Nature 424, 183 - 187, DOI: 10.1038/nature01728
- Contagious Yawning: The Role of Self-awareness and Mental State Attribution, Steven M. Platek, Samuel R. Critton, Thomas E. Myers, Gordon G. Gallup, Jr., 2003-07-15, Cognitive Brain Research 17(2):223-227, DOI: 10.1016/S0926-6410(03)00109-5
- An Irrelevant Light Enhances Auditory Detection in Humans: a psychophysical analysis of multisensory integration in stimulus detection, Christopher T. Lovelace, Barry E. Stein, Mark T. Wallace, 2003-07-15, Cognitive Brain Research 17(2):447-453, DOI: 10.1016/S0926-6410(03)00160-5
- Communication and Synchronization in Disconnected Networks with Dynamic Topology: Moving Neighborhood Networks, Joseph D. Skufca, Erik M. Bollt, 2003-07-3, arXiv, DOI: nlin.CD/0307010
- A Fishy Tale, E. Quinn - elaine.quinnucd.ie, 2003/07/10
- www.vascoda.de - Germany Launches A Central Access Gateway To Scientific Information, R. Mack - rmfiz-karlsruhe.de, 2003/07/10
- Out of Eden: The Peopling of the World, S. Oppenheimer, 2003/07/10
- Miniature Biolab Embedded On Silicon Chip, 2003/07/10, ScienceDaily & Amer. Soc. For Microbiol.
- The Ownership Signature In Mouse Scent Marks Is Involatile, C. M. Nevison, S. Armstrong, R. J. Beynon & J. L. Hurst, 2003/07/11
- Higher Education Or Larger Brain Size May Protect Against Dementia Later In Life, New Study Finds, 2003/07/11, ScienceDaily & Univ. Of South Florida Health Sc. Center
- The Brain's 'Timex': Biological Clock More Influenced By Temperature Than Light, 2003/07/15, ScienceDaily & Washington Univ. In St. Louis
- Biologists Find Unexpected Rapid Evolution In Caribbean Lizards, 2003/07/16, ScienceDaily & Washington Univ. In St. Louis
- Efficient Learning In Adaptive Processing Of Data Structures, S. Y. Cho, Z. Chi, Z. Wang, W. C. Siu, Apr. 2003, DOI: 10.1016/S0167-7799(03)00142-2
- Neurodynamics For Auditory Stream Segregation: Tracking Sounds In The Mustached Bat's Natural Environment, J. S. Kanwal - kanwaljgeorgetown.edu, a. v. medvedev & c. micheyl, Aug. 2003, DOI: 10.1088/0954-898X/14/3/303
- Oblique Effect: A Neural Basis In The Visual Cortex, B. Li, M. R. Peterson & R. D. Freeman - freemanneurovision.berkeley.edu, Jul. 2003, DOI: 10.1152/jn.00954.2002
- Directed Evolution Of Industrial Enzymes: An Update, Joel R Cherry and Ana L Fidantsef, July 14, 2003, Current Opinion in Biotechnology, DOI: 10.1016/S0958-1669(03)00099-5
- Pattern Formation And Developmental Mechanisms, Anne Ephrussi, July 14, 2003, Current Opinion in Genetics & Development, DOI: 10.1016/S0959-437X(03)00092-3
- Emerging Systems: Between Vertebrates And Arthropods, The Lophotrochozoa, Kristin Tessmar-Raible and Detlev Arendt, July 14, 2003, Current Opinion in Genetics & Development, DOI: 10.1016/S0959-437X(03)00086-8
- Vascular Development And Patterning: Making The Right Choices, Janet Rossant and Masanori Hirashima, July 14, 2003, Current Opinion in Genetics & Development, DOI: 10.1016/S0959-437X(03)00080-7
- Moonlighting Proteins: Old Proteins Learning New Tricks, Constance J. Jeffery, July 14, 2003, Trends in Genetics, DOI: 10.1016/S0168-9525(03)00167-7
- Dynamical Modelling Of Pattern Formation During Embryonic Development, Denis Thieffry and Lucas Sanchez, July 14, 2003, Current Opinion in Genetics & Development, DOI: 10.1016/S0959-437X(03)00079-0
- Neural Connections That Compute, Michael Kenward, Richard Morris and Lionel Tarassenko, July 14, 2003, Trends in Neurosciences, DOI: 10.1016/S0166-2236(03)00202-9
- Behaviors From An Electrically Stimulated Spinal Cord Neuronal Network Cultured On Microelectrode Arrays, A. Novellino - antonio.novellinodibe.unige.it & m. chiappalone, a. vato, m. bove, m. b. tedesco & s. martionia, Jun. 2003, DOI: 10.1016/S0925-2312(02)00861-5
- Desynchronization Of Neural Activity In A Network Model, W. van Drongelen - wvandronpeds.bsd.uchicago.edu & k. hecox, Jun. 2003, DOI: 10.1016/S0925-2312(02)00860-3
- Detection Of Spike Patterns Using Pattern Filtering, With Applications To Sleep Replay In Birdsong, Z. Chi - chigalton.uchicago.edu, p. l. rauske & d. margoliash, Jun. 2003, DOI: 10.1016/S0925-2312(02)00746-4
- Deterministic And Stochastic Analysis Of A Nonlinear Prey-Predator System, M. Bandyopadhyay & C. G. Chakrabarti, Jun. 2003, DOI: 10.1142/S0218339003000816
- How Much Information Is Associated With A Particular Stimulus?, D. A Butts - daniel_buttshms.harvard.edu, May 2003, DOI: 10.1016/S0304-3975(03)00289-5
Coming and Ongoing Webcasts
- New Santa Fe Institute President About His Vision for SFI's Future Role, (Video, Santa Fe, NM, 03/06/04)
- Edge Videos
- Einstein And Poincaré, Peter Galison, 03/06/
- Genome Changes Everything, Matt Ridley, 03/06/
- A United Biology, E.O. Wilson, 03/05/28
- In The Matrix, Martin Rees, 03/05/19
- Who Cares About Fireflies? Steven Strogatz, 03/05/12
- World Economic Forum Extraordinary Annual Meeting, Jordan, 03/06/21-23
- SPIE's 1st Intl Symp on Fluctuations and Noise, Santa Fe, NM, 2003/06/01-04
- NAS Sackler Colloquium on Mapping Knowledge Domains, Video/Audio Report, 03/05/11
- Uncertainty and Surprise: Questions on Working with the Unexpected and Unknowable, The University of Texas Austin, Texas USA, 2003/04/10-12
- New Trends In Industrial Partnership And Innovation Management At European Research Laboratories, CERN, Geneva, 2003/03/19 (with webcast)
- CERN Webcast Service, Streamed videos of Archived Lectures and Live Events
- Dean LeBaron's Archive of Daily Video Commentary, Ongoing Since February 1998
Conference Announcements & Call for Papers
- Exystence Thematic Institute - Algorithms And Challenges In Hard Combinatorial Problems - Trieste, Italy, 03/07/01-31, Turin, Italy, 03/10/01-30
- 7th World Multi-Conference on Systemics, Cybernetics and Informatics (SCI 2003), Orlando, Florida, 2003/07/27-30
- BIFURCATIONS 2003, Southampton, UK, 03/07/28-30
- Intl Conf on Socio Political Informatics and Cybernetics: SPIC '03, Orlando, Fl, USA, 2003/07/31-08/02
- Leadership for Complex Changes - Seattle Conference, Seattle, WA USA, 03/08/04-05
- 13th Annual International Conference, Soc f Chaos Theory in Psych & Life Sciences,Boston, MA, USA, 2003/08/08-10
- Thematic Institute "Networks and Risks", Budapest, Hungary, 03/08/25 - 09/27
- Conference on Growing Networks and Graphs in Statistical Physics, Finance, Biology and Social Systems, Rome, 03/09/01-05
- Call for Papers on Dynamical Hierarchies, Special Issue of Artificial Life, Deadline: 2003/09/05
- 7th European Conference on Artificial Life (ECAL-2003), Dortmund, Germany, 2003/09/14-17
- A Dual International Conference on Ethics, Complexity & Organisations & Creativity, London, UK, 2003/09/17-18
- 1st German Conference on Multiagent System Technologies (MATES'03), Erfurt, Germany, 2003/09/22-25
- Dynamics Days 2003, XXIII Annual Conference, 4 Decades of Chaos 1963-2003, Palma de Mallorca, Spain, 03/09/24-27
- Improving The NHS Through The Lens Of Complexity, U Exeter, UK, 03/09/24-26
- Emerging Technologies Conference at MIT, Cambridge, MA, 2003/09/24-25
- Intl School Mathematical Aspects of Quantum Chaos II Quantum Chaos on Hyperbolic Manifolds, Schloss Reisensburg (Günzburg, Germany), 03/10/04-11
- 2003 IEEE/WIC Intl Joint Conf. Web Intelligence and Intelligent Agent Technology, Halifax, Canada, 2003/10/13-17
- American Society for Cybernetics (ASC) 2003 Conference (H.v.Foerster), Vienna, Austria , 2003/11/10-15
- Trends And Perspectives In Extensive And Non-Extensive Statistical Mechanics, In Honour Of The 60th Birthday Of Constantino Tsallis, Angra Dos Reis, Brazil, 2003/11/19-21
- ICDM '03: The Third IEEE International Conference on Data Mining, Melbourne, Florida, USA, 2003/11/19-22
- 4th Intl Conf on Systems Science and Systems Engineering, Hong Kong, 03/11/25-28
- 3rd International Workshop on Meta-Synthesis and Complex System, Guangzhou, China, 2003/11/29-30
- 2nd International Workshop on the Mathematics and Algorithms of Social Insects, Georgia Tech, Atlanta, Georgia, USA; 2003/12/15-17
- 1st International Workshop on Biologically Inspired Approaches to Advanced Information Technology, Lausanne, Switzerland, 04/01/29-30
- 4th Intl ICSC Symposium Engineering Of Intelligent Systems (EIS 2004), Island of Madeira, Portugal, 04/02/29-03/02
- Fractal 2004, "Complexity and Fractals in Nature", 8th Intl Multidisciplinary Conf , Vancouver, Canada, 2004/04/04-07
- Urban Vulnerability and Network Failure: Constructions and Experiences of Emergencies, Crises and Collapse, Manchester, UK, 04/04/29-30
- Fifth International Conference on Complex Systems (ICCS2004), Boston, MA, USA, 2004/05/16-21
- 13th International Symposium on HIV & Emerging Infectious Diseases, Toulon, France, 04/06/03-05
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