Complexity Digest 2008.43

24-Oct-2008

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Content

  1. Nobel Prize In Economics: Theorist Revolutionized Study Of What Gets Made Where, Science
    1. The International Economic Crisis and Stratfor's Methodology, InvestorsInsight
    2. Market Failure: Interdependence in Action, NECSI Headlines
    3. Market Instability and the Uptick Rule, NECSI Headlines
    4. "Epidemiology" of the Credit Crisis (DRAFT), Bouchet-Franklin Institute Preprint
  2. Body In Mind, Science News
    1. Emotion Clip Increases Educational Performance, Innovations-report
  3. Avian Evolution: From Darwin's Finches To A New Way Of Thinking, Biol. Lett.
    1. A Model for the Evolutionary Diversification of Religions, arXiv
  4. Emotion And Scent Create Lasting Memories -- Even In A Sleeping Brain, ScienceDaily
  5. Philosophy Of Science: Theories Of Almost Everything, Nature
    1. Ecological Complex Systems, arXiv
  6. Molecular Biology: It's All In The Timing, Nature
    1. Feedback Loops Shape Cellular Signals in Space and Time, Science
  7. Getting To Grips With The Complexity Of Disease Proteins, Innovations-report
  8. From Signals to Patterns: Space, Time, and Mathematics in Developmental Biology, Science
  9. Review. Immunity In A Variable World, Phil. Tran. Biol. Sc.
    1. Analogies In The Evolution Of Individual And Social Immunity, Phil. Tran. Biol. Sc.
    2. Nanotechnology: Leveraging Antibiotics, Nature
  10. Genetics: It's The Sequence, Stupid!, Science
  11. From Signals to Patterns: Space, Time, and Mathematics in Developmental Biology, Science
  12. Oceanography: Ripples Run Deep, Nature
  13. Chemistry: Prion Progress, Nature
  14. Bottom-Up Organic Integrated Circuits, Nature
    1. Cell Biology: RNA Computing In A Living Cell, Science
  15. Physics: Transforming Light, Science
  16. Complex Patterning By Vertical Interchange Atom Manipulation Using Atomic Force Microscopy, Science
  17. Condensed-Matter Physics: Surviving The Transition, Nature
    1. Physics: A New Spin On The Doppler Effect, Science
    2. Materials Science: In Praise Of Pores, Science
    3. Materials Science: Toward Pore-Free Ceramics, Science
  18. Dark Energy: The Quest For Galaxies, Nature
  19. Complex Challenges: Global Terrorist Networks
    1. Power Politics And Wars Without States, Ameri. J. Poli. Sc.
  20. Links & Snippets
    1. Other Publications
    2. Webcast Announcements
    3. Conference Announcements
    4. Other Announcements

  1. Nobel Prize In Economics: Theorist Revolutionized Study Of What Gets Made Where, Science Next Article Bookmark and Share

    Excerpts: A Nobel Prize often gives its winner a first taste of fame. The winner of this year's Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel was already well known. Paul Krugman, an economist at Princeton University, a columnist for The New York Times, and a best-selling author, has won for his analyses of international trade and economic geography.

    1. The International Economic Crisis and Stratfor's Methodology, InvestorsInsight Next Article Bookmark and Share

      Excerpts: Stratfor's focus is on geopolitics. That means that it focuses on the behavior of human societies organized into complex, geographically defined systems. In our time, that means that we study nation-states. In order to understand the behavior of nation-states, it is necessary to focus on three major dimensions: economics, war and politics. The nation has to be studied in terms of producing wealth, defending (and stealing) wealth, and the internal and external relations by which humans shape their lives.


    2. Market Failure: Interdependence in Action, NECSI Headlines Next Article Bookmark and Share

      Excerpt: Today we wake up to remarkable uncertainty--market crash or market recovery. How is it that the seemingly unstoppable economic engine of the US is so susceptible to uncertainty and failure? (...) The source for these problems is in interdependence--the increasingly strong web of connections between people and organizations. Everyone knows that we are connected to each other, locally and globally. It is surprising, therefore, that this is not part of our economic policy, planning, or investment.

    3. Market Instability and the Uptick Rule, NECSI Headlines Next Article Bookmark and Share

      Excerpt: The market turmoil in the last year, and particularly in the past weeks, has been blamed on consequences of the loss of value of mortgage backed securities. However, there are a number of individuals who have pointed to the repeal of the uptick rule as contributing to recent market behavior. We have performed a preliminary analysis of market behavior that suggests the repeal of the uptick rule makes markets highly vulnerable to manipulation resulting in severe under valuations and market instability.

    4. "Epidemiology" of the Credit Crisis (DRAFT), Bouchet-Franklin Institute Preprint Next Article Bookmark and Share

      Abstract: The credit crisis roiling the world's financial markets will likely take years and entire careers to fully understand and analyze. A short empirical investigation of the current trends, however, demonstrates that the losses in certain markets, in this case the US equity markets, follow a cascade or epidemic flow like model along the correlations of various stocks. A few images and explanation here will suffice to show the phenomenon. Also, whether the idea of "epidemic" or a "cascade" is a metaphor or model for this crisis will be discussed.

  2. Body In Mind, Science News Next Article Bookmark and Share

    Excerpts:
    Leo (shown here without all of his outer covering) can learn from others. He is programmed to develop thinking skills from what he senses.
    Credit: Sam Ogden
    Long thought the province of the abstract, cognition may actually evolve as physical experiences and actions ignite mental life. (...)

    ike a typical 6-year-old child, but unlike standard robots that come preprogrammed with inflexible rules for thinking, Leonardo adopts the perspectives of people he meets and then acts on that knowledge. Leonardo's creators, scientists at the Massachusetts Institute of Technology's Personal Robots Group and special effects aces at the Stan Winston Studio in Van Nuys, Calif., watch their inquisitive invention make social strides with a kind of parental pride.

    1. Emotion Clip Increases Educational Performance, Innovations-report Next Article Bookmark and Share

      Excerpts: Affective video clips are important in education. Our mood influences how well we perform, (...) In advertising and electoral campaigns, it is normal practice: get people in the right mood, either by stimulating their feeling of happiness or by making them anxious, and the commercial or political project is more likely to be successful. In an educational setting, it is not usual to show, for example, a sad film in order to ‘sharpen the mind'. Nevertheless, it is possible to influence pupils with affective videos and, in so doing, achieve educational benefits. (...)

  3. Avian Evolution: From Darwin's Finches To A New Way Of Thinking, Biol. Lett. Next Article Bookmark and Share

    Abstract: The study of birds, especially the Galapagos finches, was important to Darwin in the development of the theory of evolution by natural selection. Birds have also been at the centre of a recent reformulation in understanding cerebral evolution and the substrates for higher cognition. While it was once thought that birds possess a simple cerebrum and were thus limited to instinctive behaviours, it is now clear that birds possess a well-developed cerebrum that looks very different from the mammalian cerebrum but can support a cognitive ability that for some avian species rivals that in primates.

    1. A Model for the Evolutionary Diversification of Religions, arXiv Next Article Bookmark and Share

      Excerpt: We address the problem of diversification in religions by studying selection on cultural memes that colonize humans hosts. In analogy to studying the evolution of pathogens or symbionts colonizing animal hosts, we use models for host-pathogen dynamics known from theoretical epidemiology.

  4. Emotion And Scent Create Lasting Memories -- Even In A Sleeping Brain, ScienceDaily Next Article Bookmark and Share

    Excerpts: (...) In a series of experiments with sleeping mice, researchers (...) have shown that the part of the brain that processes scents is indeed a key part of forming long-term memories, especially involving other individuals. "We can all relate to the experience of walking into a room and smelling something that sparks a vivid, emotional memory about a family member from years or even decades ago," says (...). The researchers examined how strong memories are formed by creating new memories in the minds of mice while under sedation and monitoring their response to a memory-inducing stimulus afterwards, when they were awake. (...)

  5. Philosophy Of Science: Theories Of Almost Everything, Nature Next Article Bookmark and Share

    Excerpts: A provocative contribution to the logic of science extends the theorems of Kurt Goedel and Alan Turing, and bears on thinking about prediction, the standard model of particles, and quantum gravity. (...)

    Various major scientific developments of the twentieth century have placed limits on different facets of knowledge. These include the measurement process (quantum mechanics, through Heisenberg's uncertainty principle); the transmission of information (relativity, through the constancy of the speed of light); the ability to predict the future from less-than-perfect measurements in the present (chaos theory, through sensitive dependence on initial conditions); and the efficient prediction of certain natural phenomena before they unfold (complex systems theory, through intractability).

    1. Ecological Complex Systems, arXiv Next Article Bookmark and Share

      Excerpt: Main aim of this topical issue is to report recent advances in noisy nonequilibrium processes useful to describe the dynamics of ecological systems and to address the mechanisms of spatio-temporal pattern formation in ecology both from the experimental and theoretical points of view. This is in order to understand the dynamical behaviour of ecological complex systems through the interplay between nonlinearity, noise, random and periodic environmental interactions.
      • Source: Ecological Complex Systems, Astero Provata, Igor M. Sokolov, and Bernardo Spagnolo, DOI: 0810.1223, arXiv [Editorial of a topical issue on Ecological Complex System to appear in EPJ B, Vol. 65 (2008)], 2008/10/07

  6. Molecular Biology: It's All In The Timing, Nature Next Article Bookmark and Share

    Excerpts: Researchers at Mount Sinai School of Medicine in New York suggest that collecting cells for bone marrow transplantation should be done in the evening. They base this recommendation on the finding that humans typically have more blood stem cells in their circulating blood late in the day than at other times.

    1. Feedback Loops Shape Cellular Signals in Space and Time, Science Next Article Bookmark and Share

      Excerpts: Positive and negative feedback loops are common regulatory elements in biological signaling systems. We discuss core feedback motifs that have distinct roles in shaping signaling responses in space and time. We also discuss approaches to experimentally investigate feedback loops in signaling systems.

  7. Getting To Grips With The Complexity Of Disease Proteins, Innovations-report Next Article Bookmark and Share

    Excerpts: New research into how proteins in human cells interact and 'talk' to each other is leading to a better understanding of how drug molecules work and should result in more effective therapies, according to a leading European scientist. "Most of the time the mechanism of action of drugs is ill understood and we often do not even know the primary target of the drugs we swallow daily," Professor Giulio (...) said. (...) how certain proteins that are key drug targets organise themselves in the cell, and how they make complex interactions with often dozens of other proteins. (...)

  8. From Signals to Patterns: Space, Time, and Mathematics in Developmental Biology, Science Next Article Bookmark and Share

    Excerpts: We now have a wealth of information about the molecular signals that act on cells in embryos, but how do the control systems based on these signals generate pattern and govern the timing of developmental events? Here, I discuss four examples to show how mathematical modeling and quantitative experimentation can give some useful answers. The examples concern the Bicoid gradient in the early Drosophila embryo, the dorsoventral patterning of a frog embryo by bone morphogenetic protein signals, the auxin-mediated patterning of plant meristems, and the Notch-dependent somite segmentation clock.

  9. Review. Immunity In A Variable World, Phil. Tran. Biol. Sc. Next Article Bookmark and Share

    Excerpts: Immune function is likely to be a critical determinant of an organism's fitness, yet most natural animal and plant populations exhibit tremendous genetic variation for immune traits. Accumulating evidence suggests that environmental heterogeneity may retard the long-term efficiency of natural selection and even maintain polymorphism, provided alternative host genotypes are favoured under different environmental conditions. (...) Here, we review some of the literature emphasizing the complexity of natural selection on immunity. Our aim is to describe how environmental and genetic heterogeneities, often excluded from experimentation as ‘noise', may determine the evolutionary potential of populations or the potential for interacting species to coevolve.
    • Source: Review. Immunity In A Variable World, B. P. Lazzaro, T. J. Little, DOI: 10.1098/rstb.2008.0141, Philosophical Transactions: Biological Sciences, 2008/10/16
    • Contributed by Pritha Das - prithadas01ayahoo.com

    1. Analogies In The Evolution Of Individual And Social Immunity, Phil. Tran. Biol. Sc. Next Article Bookmark and Share

      Excerpts: We compare anti-parasite defences at the level of multicellular organisms and insect societies, and find that selection by parasites at these two organisational levels is often very similar and has created a number of parallel evolutionary solutions in the host's immune response. The defence mechanisms of both individuals and insect colonies start with border defences to prevent parasite intake (...) (...) The aim of this review is to highlight common evolutionary principles acting in disease defence at the level of both individual organisms and societies, thereby linking the fields of physiological and ecological immunology.

    2. Nanotechnology: Leveraging Antibiotics, Nature Next Article Bookmark and Share

      Excerpts: The antibiotic vancomycin kills bacteria by disrupting their cell walls. To study this process, Rachel McKendry of University College London and her colleagues have designed an array of tiny cantilevers coated with molecules similar to those found in bacterial cell walls.

      When their arrays were exposed to vancomycin, the antibiotic bound to the cantilevers, altered their surface properties, and caused them to bend. Measuring the bend provided a sensitive assay for antibiotic binding.

  10. Genetics: It's The Sequence, Stupid!, Science Next Article Bookmark and Share

    Excerpts: One of the surprises revealed by comparative genome sequencing is that closely related species share remarkably similar complements of genes. For example, a recent evaluation of the human gene catalog found at most 168 genes without close homologs in mouse or dog, with perhaps as few as 12 representing newly evolved protein-coding regions (1). Moreover, the corresponding genes tend not to differ much in their coding sequences: Nearly 80% of amino acids are identical between orthologous human and mouse proteins (2).

  11. From Signals to Patterns: Space, Time, and Mathematics in Developmental Biology, Science Next Article Bookmark and Share

    Excerpts: We now have a wealth of information about the molecular signals that act on cells in embryos, but how do the control systems based on these signals generate pattern and govern the timing of developmental events? Here, I discuss four examples to show how mathematical modeling and quantitative experimentation can give some useful answers. The examples concern the Bicoid gradient in the early Drosophila embryo, the dorsoventral patterning of a frog embryo by bone morphogenetic protein signals, the auxin-mediated patterning of plant meristems, and the Notch-dependent somite segmentation clock.

  12. Oceanography: Ripples Run Deep, Nature Next Article Bookmark and Share

    Excerpts: Tiny, wind-generated ripples on the sea surface can interact and produce pressure changes felt on the ocean floor. The same line of study points to a basic distinction between two types of surface wave.

  13. Chemistry: Prion Progress, Nature Next Article Bookmark and Share

    Excerpts: The details of how a non-pathogenic prion protein becomes the agent of Creutzfeld-Jakob disease are obscure, but they may hinge on an 'anchor' made of sugar and lipid by which the prion attaches to a cell membrane. This anchor has been manufactured in a laboratory by Peter Seeberger of the Swiss Federal Institute of Technology in Zurich, Christian Becker at the Max Planck Institute for Molecular Physiology and their colleagues.

  14. Bottom-Up Organic Integrated Circuits, Nature Next Article Bookmark and Share

    Excerpts: Self-assembly - the autonomous organization of components into patterns and structures - is a promising technology for the mass production of organic electronics. Making integrated circuits using a bottom-up approach involving self-assembling molecules was proposed in the 1970s. The basic building block of such an integrated circuit is the self-assembled-monolayer field-effect transistor (SAMFET), where the semiconductor is a monolayer spontaneously formed on the gate dielectric. In the SAMFETs fabricated so far, current modulation has only been observed in submicrometre channels
    • Source: Bottom-Up Organic Integrated Circuits, Edsger C. P. Smits, Simon G. J. Mathijssen, Paul A. van Hal, Sepas Setayesh, Thomas C. T. Geuns, Kees A. H. A. Mutsaers, Eugenio Cantatore, Harry J. Wondergem, Oliver Werzer, Roland Resel, Martijn Kemerink, Stephan Kirchmeyer, Aziz M. Muzafarov, Sergei A. Ponomarenko, Bert de Boer, Paul W. M. Blom, Dago M. de Leeuw, DOI: 10.1038/nature07320, Nature 455, 956-959, 08/10/16

    1. Cell Biology: RNA Computing In A Living Cell, Science Next Article Bookmark and Share

      Excerpts: Engineering an autonomous, programmable molecular computing device that can operate inside a living cell, sense the presence or concentration of molecules, and act intelligently on what is sensed is a major goal of biomolecular computing. Such appropriately designed machines could potentially alter biological function and organism behavior by directly interacting with molecules within cells. An important step toward this goal is reported by Win and Smolke on page 456 in this issue (1).

  15. Physics: Transforming Light, Science Next Article Bookmark and Share

    Excerpts: Recent advances in micro- and nanofabrication methods are presenting opportunities to control light in a way that is not possible with the materials provided to us by nature. Synthetic structures built up from subwavelength elements can now be fabricated with a desired spatial distribution of effective electric permittivity epsilon and magnetic permeability mu, thereby offering the potential to guide and control the flow of electromagnetic energy in an engineered optical space. These "metamaterials" have opened the door to a number of applications that had been previously considered impossible.

  16. Complex Patterning By Vertical Interchange Atom Manipulation Using Atomic Force Microscopy, Science Next Article Bookmark and Share

    Excerpts: The ability to incorporate individual atoms in a surface following predetermined arrangements may bring future atom-based technological enterprises closer to reality. Here, we report the assembling of complex atomic patterns at room temperature by the vertical interchange of atoms between the tip apex of an atomic force microscope and a semiconductor surface. At variance with previous methods, these manipulations were produced by exploring the repulsive part of the short-range chemical interaction between the closest tip-surface atoms.

  17. Condensed-Matter Physics: Surviving The Transition, Nature Next Article Bookmark and Share

    Excerpts: Observations of the birth of a superfluid have uncovered details of the microphysics of phase transitions. Whether these results can be used to model such transitions in the early Universe is an open question.

    1. Physics: A New Spin On The Doppler Effect, Science Next Article Bookmark and Share

      Excerpts: Direct measurements can now be made of electron spin currents, which play a key role in advanced memory applications.

      Electrical currents transport charge, but certain experimental setups allow them to transport spin as well. Such spin currents (excess flow of either spin-up or spin-down electrons) can by created by passing an electrical current through a ferromagnetic film; spins parallel to the film's spin orientation pass through more easily, whereas those of opposite sign are scattered more strongly.

    2. Materials Science: In Praise Of Pores, Science Next Article Bookmark and Share

      Excerpts: Highly porous structures are found extensively in the natural world (1), because their design enables the efficient optimization of characteristics such as the strength-to-density and stiffness-to-density ratios. Moreover, synthetic porous ceramics have advantages over metallic or polymeric components, especially when resistance to high-temperature or corrosive environments or compatibility with biological materials is required. Recent progress in fabrication procedures has considerably widened the range of morphologies and properties achievable for porous ceramics, resulting in their use in an ever-expanding range of applications, including catalyst supports and chemical reactors (2), biomedical tracking and delivery platforms (3), electrodes, insulators, and heat exchangers (4).

    3. Materials Science: Toward Pore-Free Ceramics, Science Next Article Bookmark and Share

      Excerpts: Pore-free ceramics with grain sizes in the nanometer range promise to have unprecedented optical, mechanical, electrical, and other properties for use in lasers, health care, and electrical devices. Yet, in most of today's dense ceramics, pores with diameters of 100 to 1000 nm occupy about 2 to 5% of the volume of the material. Recent progress in nanoparticle processing, multiple-step sintering cycles, and novel densification techniques may yield fully dense nanoceramics.

  18. Dark Energy: The Quest For Galaxies, Nature Next Article Bookmark and Share

    Excerpts: Astronomers searching for evidence of the mysterious energy that is speeding up the expansion of the Universe have discovered three new galaxy clusters. They used a microwave survey technique that could rival existing ways of searching for dark energy.

  19. Complex Challenges: Global Terrorist Networks Next Article Bookmark and Share

    1. Power Politics And Wars Without States, Ameri. J. Poli. Sc. Next Article Bookmark and Share

      Abstract: In order to evaluate the applicability of power politics theories of war and international stability to interactions among nonstate actors, I test hypotheses from power transition theory and from neorealist arguments about systemic polarity against the behavior of 20 state and nonstate actors in nineteenth-century South America. I find considerable support for two of the three hypotheses tested and conclude that existing IR theory has more explanatory power within the empirical domain of nonstate relations than critics of such theory claim.

  20. Links & Snippets Next Article Bookmark and Share

    1. Other Publications Next Article Bookmark and Share

      1. Computer Circuit Builds Itself, Geoff Brumfiel, 2008/10/15, News@Nature, DOI: 10.1038/news.2008.1171
      2. Computer Model Reveals Cells' Inner Workings: Could Help Tailor Chemotherapy Treatments, 2008/10/16, ScienceDaily & Massachusetts Institute of Technology
      3. Do You Get Interrupted A Lot? You May Be Giving Wrong Facial Clues, 2008/10/16, ScienceDaily & Netherlands Organization for Scientific Research
      4. Lack Of IT Students Could Hit Public Services: Not Enough To Go Around, Warns BCS, I. Williams, 2008/10/17, vnunet.com
      5. Venture Capitalism As Medicine For The Economic Crisis, 2008/10/17, Innovations-report
      6. Gorilla Study Gives Clues To Human Language Development, 2008/10/17, Innovations-report
      7. Risk And Reward Compete In Brain: Imaging Study Reveals Battle Between Lure Of Reward And Fear Of Failure, 2008/10/19, ScienceDaily & University of Southern California
      8. Self-Organizing Peer-To-Peer Social Networks, F. Wang, Y. Sun - yaorusagmail.com, Aug. 2008, Online 2008/07/31, Computational Intelligence, DOI: 10.1111/j.1467-8640.2008.00328.x
      9. Agreement Without Peace? International Mediation And Time Inconsistency Problems, K. Beardsley - kyle.beardsleyaemory.edu, Oct. 2008, Online 2008/09/29, American Journal of Political Science, DOI: 10.1111/j.1540-5907.2008.00339.x
      10. Institutions And The Environment, E. Ostrom, Sep. 2008, Online 2008/09/11, Economic Affairs, DOI: 10.1111/j.1468-0270.2008.00840.x

    2. Webcast Announcements Next Article Bookmark and Share

      1. Can Ants Solve Traffic Jams?, Danielle Parsons, Slatev.com, 08/07/22

        As roads and highways become ever more clogged, Danielle Parsons tells us how researchers are studying ways to learn from nature's own traffic-flow experts: ants.

      2. 7th Intl Conf on Complex Systems (ICCS), Boston, MA, 07/10/28-11/02
      3. Reseau Nationale des Systemes Complexes , (in French), 2007
      4. World Economic Forum , Davos, Switzerland, 08/01/22-27
      5. TED Talks, TED Conferences LLC , since 2006
      6. Talking Robots: The PodCast on Robotics and AI, Ecole Polytechnique Federale de Lausanne, Switzerland, 06/11/03
      7. Potentials of Complexity Science for Business, Governments, and the Media 2006, Budapest, Hungary, 06/08/03-05
      8. 6th Intl Conf on Complex Systems (ICCS), Boston, MA, 06/06/25-30
      9. Artificial Life X, 10th Intl Conf on the Simulation and Synthesis of Living Systems, Bloomington, IN, USA. 2006/06/03-07
      10. 6th Understanding Complex Systems Symposium, Urbana-Champaign, Il, 06/05/15-18
      11. Ralph Abraham on Complexity Digest, , Calcutta, India, 05/12/27
      12. An Afternoon with Michael Crichton, Washington, 05/11/06
      13. Illuminating the Shadow of the Future, Ann Arbor, Mi 05/09/23-25
      14. Open Network of Centres of Excellence in Complex Systems - Brainstorming Meeting, Paris, France 05/09/19-23
      15. Complexity, Science & Society Conference 2005, U. Liverpool, UK 2005/09/11-14
      16. ECAL 2005 - VIIIth European Conference on Artificial Life, Canterbury, Kent, UK 2005/09/5-9
      17. T. Irene Sanders, Executive Director and Founder, The Washington Center for Complexity & Public Policy, 05/08/27, QuickTime video (10:38 min), Podcast
      18. North American Society for the Psychology of Sport and Physical Activity 2005 Conference, Virtual Conference Network, St. Pete's Beach, Florida, 05/06/09-11
      19. Understanding Complex Systems - Computational Complexity and Bioinformatics, Virtual Conference Network, Urbana-Champaign, Il, UIUC, 05/05/16-19
      20. Nonlinearity, Fluctuations, and Complexity, with a celebration of the 65th birthday of Gregoire Nicolis. , Complexity Session, Universite' Libre de Bruxelles, Brussels, Belgium, 05/03/16
      21. 1st European Conference on Complex Systems, Torino, Italy, 04/12/5-7
      22. From Autopoiesis to Neurophenomenology: A Tribute to Francisco Varela (1946-2001), Paris, France, 2004/06/18-20
      23. Evolutionary Epistemology, Language, and Culture, Brussels, Belgium, 04/05/26-28
      24. International Conference on Complex Systems 2004, Boston, 04/05/16-21
      25. Nonlinear Dynamics And Chaos: Lab Demonstrations, Strogatz, Steven H., Internet-First University Press, 1994
      26. CERN Webcast Service, Streamed videos of Archived Lectures and Live Events
      27. Dean LeBaron's Archive of Daily Video Commentary, Ongoing Since February 1998
      28. Edge Videos

    3. Conference Announcements Next Article Bookmark and Share

      1. What Is Computation? (How) Does Nature Compute? - 2008 Midwest NKS Conference, Bloomington, IN, 08/10/30-11/02
      2. 2nd Intl Congress of Complex Systems in Sport (2nd ICCSS) and 10th European Workshop of Ecological Psychology. (10th EWEP), Funchal, in Madeira Island, Portugal, 08/11/05-08
      3. 2008 IEEE/WIC/ACM International Conference on Web Intelligence (WI-08), Sydney, Australia, 08/12/09-12
      4. "Approaching Complexity" Workshop, IT Revolutions, Venice, 08/12/17-19
      5. COMPLEX'2009, First Intl Conf on Complex Systems: Theory and Applications, Shanghai, China, 09/02/23-25
      6. Models and Simulations 3 Conference, Charlottesville, USA 09/03/05-07
      7. 2nd Conf on Artificial General Intelligence (AGI-09.org), Arlington, Virginia, 09/03/06-09
      8. 2009 IEEE Symposium Series on Computational Intelligence, Nashville, Tennessee, USA,09/03/30-04/02
      9. 2nd Chaotic Modeling and Simulation International Conference (CHAOS2009), Chania, Crete, Greece, 09/06/01-05
      10. 2009 Intl Conf of the System Dynamics Society, Albuquerque, New Mexico, 09/07/26-30
      11. 5th Intl Conf on Fractals and Dynamic Systems in Geoscience, Townsville, Australia, 09/08/13-14

    4. Other Announcements Bookmark and Share

      1. A short notice from Dean LeBaron

        Dear ComDig Readers,

        Our editor, Dr. Gottfried Mayer, is affectionately esteemed by many of you -- as readers, you know he devotes himself unselfishly to widening our knowledge of complexity science. He was recently diagnosed with advanced colon cancer and given a timetable of a very few years. Knowing Gottfried, you can imagine that, in addition to the customary processes of chemotherapy, he would explore other frontier therapies, especially those arising out of interdisciplinary applications of complexity. These are expensive ... if he can find them.

        Many of you have sent your good wishes and indicated your desire to assist. With Gottfried's permission, I am posting this note with information, below, about how to send contributions to him. Please indicate the source since Gottfried will want to express his warm gratitude.

        I know that Gottfried, the good scientist that he is, will explain from time to time what he is doing and what the results are ... and we will follow his progress with great interest and hope.

        Dean LeBaron
        Publisher, Complexity Digest

        Bank Information:

        If your contribution is made by check:
        Please mail the check, payable to "Gottfried Mayer", to:
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