复杂性文摘 NO：2003.06
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Complexity Digest 2003.06 February-11-2003
Archive: http://www.comdig.org,
European Mirror: http://www.comdig.de
Asian Mirror: http://www.phil.pku.edu.cn/resguide/comdig/
(Chinese GB-Code)
"I think the next century will be the century of complexity." Stephen
Hawking, 2000
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Ongoing Webcast: Complexity Digest Virtual Conference Network: INSC 2003,
International Nonlinear Sciences Conference Research and Applications in
the Life Sciences, Vienna, Austria, 03/02/07-09
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1. INSC 2003, International Nonlinear Sciences
Conference,
Conference Webcast
2. Scientists of Very Small Draw Disciplines Together,
NYTimes
3. Extracting Work from a Single Heat Bath via
Vanishing Quantum
Coherence, Science
4. Chemical Reactions Involving Quantum Tunneling,
Science
4.1. Quantum Dots As
Dynamical Systems, Phil. Trans.: Math.,
Phy. & Engg. Sc.
5. Is A Picture Worth 1,000 Words?, Nature
6. How Could Conscious Experiences Affect Brains?,
CogPrints
6.1. Making Sense of
Causal Interactions Between Consciousness
and Brain, CogPrints
7. Obesity and the Environment: Where Do We Go from
Here?,
Science
7.1. 'Fat People and
Bombs':HPA Axis Cognition, Structured
Stress, and the US Obesity Epidemic, CogPrints
8. Major Research to "Crack" Cancer Gene
Mystery,
health-news.co.uk
8.1. DNA Repair: Damage
Alert, Nature
9. A Mathematical Model Of Tissue Replacement During
Epidermal
Wound Healing, Appl. Math.
Modelling
10. The Gene That Causes The Smell Of The Earth And Leads
Camels
To Water, Alphagalileo
11. Neurophysiology: Sensing Temperature Without Ion
Channels,
Nature
12. Researchers Unwind Secrets Of Biological Clocks,
ScienceDaily
13. Scientists Target Microorganisms to Break Down Toxic
Pesticide, Environmental
News Network
14. A Tax Code Not Intended for Amateurs, NYTimes
15. Technology: What Are the Chances?, NYTimes
16. Tangled Up in Spam, NYTimes
17. Physical Growth In A Transitional Economy: The Aftermath
Of
South African Apartheid, Econ.
& Human Biol.
18. Modelling Political Instability: Israeli Investment
During The
Intifada, Economica
19. Complex Challenges: Global Terrorist Networks
19.1. Simulating Ants'
Behavior May Help U.S. Fight Future
Wars, Defense News
19.2. Zacarias, My
Brother: The Making of a Terrorist, NYTimes
20. Links & Snippets
20.1. Other Publications
20.2. Webcast
Announcements
20.3. Conference
Announcements
20.3.1. Public Conference Calls
20.4. ComDig
Announcement: New ComDig Archive in Beta Test
20.5. Erratum
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1. INSC 2003, International Nonlinear Sciences Conference Research and
Applications in the Life Sciences, Conference Webcast
Audio Recordings of Selected Presentations
H. Haken, Synergetics: How Does Self-Organization Work? (mp3)
Tonu Puu, Oligopoly Dynamics ¡V A Traditional Area for Complex Dynamics in
Economic Theory. (mp3)
Jack Cohen, "Why is Negentropy, like Phlogiston, a Privative?" or
"Life
must be natural, not negentropic" (mp3)
Huett, M-T., How can noise-induced nonlinear patterns be detected in
biological data sets? (mp3)
Kirlangic, M., Ivanova, G., & Henning, G., The DC-level: An order parameter
of the brain complex open system? (mp3)
Arrow, H., Bubbles, Eruptions, Stagnation, and Floods: How Energy Flows in
Small Groups (mp3)
Remondino, M., Agent Based Process Simulation and Metaphor Based Modelling
for Social Sciences (mp3)
Mayer-Kress, G., & Newell, K. , Time-Scales in Stochastic Map Models of
Chaos in Isometric Force Production (mp3)
Mirow, S. & Porter, R., D, Inter-relationships of temporal patterns in
simultaneously recorded measures of movement and heart rate before and
after psychotherapeutic interventions (mp3)
Renaud, P., Decarie, J., Gourd, S.-P., Paquin, L.-C. & Bouchard, S.,
Computing perceptual and motor invariants in immersive environments (mp3)
Mens-Verhulst, J., & van Dijkum, C.,The Dynamics of Fatigue: Insights From
Simulation in Self-Regulation (mp3)
I. Schwarz, Noise Induced Chaos and Transport in Population Dynamics, (mp3)
Celestino Soddu, Enrica Colabella, Gabriele Maldonado, Generative Art is
the Idea Realized as Genetic Code of Artificial Objects, (mp3)
Mauro Annunziato, Piero Pierucci, Emerging Structures in Artificial
Societies, (mp3)
L. Liebovitch, How Genes Regulate Other Genes, (mp3)
Short Video Statements
Robert Porter, Conference Background
Holly Arrow, Using Complexity Tools to Organize the Upcoming Conference in
Boston (13th Ann Intl Conf, Soc f Chaos Theory in Psych & Life Sciences,
Boston, MA, USA, 03/08/08-10)
Karl Toifl, Application of Complex Systems Concepts in Daily Medical
Practice (video in German, English transcript)
Kaisu Koski, Non-Linear Storytelling in Environmental Installations
L. Liebovitch, Current Research Interests
Note: Selection of presentation is based on a number of practical decisions
like scheduling of parallel sessions etc. Audio files are in downloadable
mp3 format for portable mp3 players or any mp3 software players. Video
files are in asf format and can be played e.g. with windows media player.
For the sound codec a (free) plugin might be required, but the download
should be fairly automatic.
INSC 2003, International Nonlinear Sciences Conference Research and
Applications in the Life Sciences,Vienna, Austria, 03/02/07-09
2. Scientists of Very Small Draw Disciplines Together, NYTimes
Excerpts: Nanotechnology, biotechnology, electronics and brain research are
converging into a field of science vital to the nation's security.
(...) the natural world's ability to assemble atoms into complex tissues
with very exact specifications may hold the key to making vast quantities
of minute, inexpensive pollution sensors or solar cells. Bioengineers,
(¡K), are looking to artificial nanostructures as possible drug delivery
systems or as scaffolds to help injured organs repair themselves. Such
convergence was given a name late in 2001: NBIC, for nanotechnology,
biotechnology, information technology and cognitive science.
Technology: Scientists of Very Small Draw Disciplines Together, NYT,
Barnaby J. Feder, Nanotechnology, biotechnology, electronics and brain
research are converging into a field of science, vital to the nation's
security.
3. Extracting Work from a Single Heat Bath via Vanishing Quantum Coherence,
Science
Excerpts: We present here a quantum Carnot engine in which the atoms in the
heat bath are given a small bit of quantum coherence. The induced quantum
coherence becomes vanishingly small in the high-temperature limit at which
we operate and the heat bath is essentially thermal. However, the phase ,
associated with the atomic coherence, provides a new control parameter
(¡K). The deep physics behind the second law of thermodynamics is not
violated; nevertheless, the quantum Carnot engine has certain features that
are not possible in a classical engine.
Extracting Work from a Single Heat Bath via Vanishing Quantum Coherence,
Marlan O. Scully, M. Suhail Zubairy, Girish S. Agarwal, Herbert Walther,
Science, Vol. 299, Issue 5608, 862-864, 03/02/07
4. Chemical Reactions Involving Quantum Tunneling, Science
Excerpts: Understanding chemical reaction rates constitutes a central theme
in chemistry. Classical theories have been tremendously successful in
providing qualitative and quantitative insights into chemical reaction
rates. Yet, a growing and remarkably varied number of chemical reactions
deviate from classical behavior because of quantum effects (1). As Zuev et
al. show on page 867 of this issue, these deviations can be enormous (2).
Far from being mere curiosities or footnotes in the theory of chemical
reaction rates, these quantum phenomena manifest themselves in
"ordinary"
chemical reactions (¡K)
Chemical Reactions Involving Quantum Tunneling, Robert J. McMahon, Science,
Vol. 299, Issue 5608, 833, 03/02/07
Abstract: Quantum dots show a range of time-dependent behaviours.
Polarity-dependent phenomena are found even for nearly spherical
stoichiometric clusters of ZnO and ZnS in studies based on interatomic
potentials or on a lane-wave density-functional approach. We find a
substantial dipole moment (¡K). This dipole causes a highly non-uniform
spin-density distribution on electronic excitation or after a change in the
dot's electronic charge state. We present the results of molecular dynamics
of the ZnS particle embedded into the silica glass, and consider the role
played by the soft modes in energy-dissipation processes (¡K) and energy
transfer from the dot to the matrix.
Quantum Dots As Dynamical Systems, J. L. Gavartin, A. M. Stoneham, Phil.
Trans.: Math., Phy. & Engg. Sc., Vol.361, No 1803, pp:275-290, Feb.
2003,
DOI: 10.1098/rsta.2002.1128
Contributed by Pritha Das
5. Is A Picture Worth 1,000 Words?, Nature
Excerpts: Figures used to be part of the thought and discovery process. For
Leonardo, Galileo and mathematicians such as Riemann, the image was part of
the thought process. The same instrument penned words and drew lines. This
seamless integration is more than a quaint sentimental point.A line is
tentative; in a line drawing one hears the voice of the author: "this is
what I think happens..." (...)
Physics and mathematics have been held as primary examples of domains where
images play no role.
Is A Picture Worth 1,000 Words?, Julio M. Ottino, Exciting new illustration
technologies should be used with care, doi:10.1038/421474a
6. How Could Conscious Experiences Affect Brains?, CogPrints
Abstract: In everyday life we take it for granted that we have conscious
control of some of our actions and that the part of us that exercises
control is the conscious mind. Psychosomatic medicine also assumes that the
conscious mind can affect body states, and this is supported by evidence
that the use of imagery, hypnosis, biofeedback and other ¡¥mental
interventions¡¦ can be therapeutic in a variety of medical
conditions.
However, there is no accepted theory of mind/body interaction and this has
had a detrimental effect on the acceptance of mental causation in science,
philosophy and in many areas of clinical practice. Biomedical accounts
typically translate the effects of mind into the effects of brain
functioning, for example, explaining mind/body interactions in terms of the
interconnections and reciprocal control of cortical, neuroendocrine,
autonomic and immune systems. While such accounts are instructive, they are
implicitly reductionist, and beg the question of how conscious experiences
could have bodily effects. On the other hand, non-reductionist accounts
have to cope with three problems: 1) The physical world appears causally
closed, which would seem to leave no room for conscious intervention. 2)
One is not conscious of one¡¦s own brain/body processing, so how
could
there be conscious control of such processing? 3) Conscious experiences
appear to come too late to causally affect the processes to which they most
obviously relate. This paper suggests a way of understanding mental
causation that resolves these problems. It also suggests that ¡§conscious
mental control¡¨ needs to be partly understood in terms of the voluntary
operations of the preconscious mind, and that this allows an account of
biological determinism that is compatible with experienced free will.
How Could Conscious Experiences Affect Brains?, Max Velmans, 2003-01-31,
DOI: 2750, CogPrints [Journal of Consciousness Studies 9(11):3-29]
Contributed by Carlos Gershenson
Abstract: My target article (henceforth referred to as TA) presents
evidence for causal interactions between consciousness and brain and some
standard ways of accounting for this evidence in clinical practice and
neuropsychological theory. I also point out some of the problems of
understanding such causal interactions that are not addressed by standard
explanations. Most of the residual problems have to do with how to cross
the ¡§explanatory gap¡¨ from consciousness to brain. I then list
some of
the reasons why the route across this gap suggested by physicalism won't
work, in spite of its current popularity in consciousness studies. My own
suggested route across the explanatory gap is more subterranean, where
consciousness and brain can be seen to be dual aspects of a unifying,
psychophysical mind. Some of the steps on this deeper route still have to
be filled in by empirical research. But (as far as I can judge) there are
no gaps that cannot be filled¡Xjust a different way of understanding
consciousness, mind, brain and their causal interaction, with some
interesting consequences for our understanding of free will. The
commentaries on TA examined many aspects of my thesis viewed from both
Western and Eastern perspectives. This reply focuses on how dual-aspect
monism compares with currently popular alternatives such as ¡§nonreductive
physicalism¡¨, clarifies my own approach, and reconsiders how well this
addresses the ¡§hard¡¨ problems of consciousness. We re-examine
how
conscious experiences relate to their physical/functional correlates and
whether useful analogies can be drawn with other, physical relationships
that appear to have dual-aspects. We also examine some fundamental
differences between Western and Eastern thought about whether the existence
of the physical world or the existence of consciousness can be taken for
granted (with consequential differences about which of these is ¡§hard¡¨
to
understand). I then suggest a form of dual-aspect Reflexive Monism that
might provide a path between these ancient intellectual traditions that is
consistent with science and with common sense.
Making Sense of Causal Interactions Between Consciousness and Brain, Max
Velmans, 2003-01-31, DOI: 2751, CogPrints [Journal of Consciousness Studies
9(11):69-95]
Contributed by Carlos Gershenson
7. Obesity and the Environment: Where Do We Go from Here?, Science
Excerpts: The obesity epidemic shows no signs of abating. There is an
urgent need to push back against the environmental forces that are
producing gradual weight gain in the population. (¡K), we estimate that
affecting energy balance by 100 kilocalories per day (by a combination of
reductions in energy intake and increases in physical activity) could
prevent weight gain in most of the population. This can be achieved by
small changes in behavior, such as 15 minutes per day of walking or eating
a few less bites at each meal.
Obesity and the Environment: Where Do We Go from Here?, James O. Hill,
Holly R. Wyatt, George W. Reed, and John C. Peters, Science, Volume 299,
Number 5608, pp. 853-855, 03/02/07
Abstract: We examine the accelerating 'obesity epidemic' in the US from the
perspective of recently developed theory relating a cognitive
hypothalamic-pituitary-adrenal axis to an embedding 'language' of
structured psychosocial stress. Using a Rate Distortion argument, the
obesity epidemic is found to represent the literal writing of an image of a
ratcheting pathological social hierarchy onto the bodies of American adults
and children. This process, while stratified by the usual divisions of
class and ethnicity, is nonetheless relentlessly engulfing even affluent
majority populations. Our perspective places the common explanation that
'obesity occurs when people eat too much and get too little exercise' in
the same category as the remark by US President Calvin Coolidge on the eve
of the Great Depression that 'unemployment occurs when large numbers of
people are out of work'. Both statements ignore profound structural
determinants of great population suffering which must be addressed by
collective actions of equally great reform.
'Fat People and Bombs':HPA Axis Cognition, Structured Stress, and the US
Obesity Epidemic, Wallace, Rodrick, Wallace, Deborah, 2003-01-27, DOI:
2745, CogPrints
Contributed by Carlos Gershenson
8. Major Research to Crack Cancer Gene Mystery, health-news.co.uk
Excerpts: Researchers from the UK and the Netherlands are to launch a major
research project in the hope of identifying the cluster of genes associated
with cancer. In their investigation, which will build on the success of the
human genome project, the scientists will look at nearly 10,000 genes,
inactivating one at a time to find out precisely what they do and how they
contribute to the development of cancer. This, they hope, could lead to the
creation of new drugs that target rogue cancer-causing genes.
Major Research to Crack Cancer Gene Mystery, 2003-02-05, health-news.co.uk
Contributed by Nadia Gershenson
Excerpts: Radiation and other harmful influences frequently damage our
genes, potentially causing diseases such as cancer. New work reveals a
surprising mechanism that notifies the cellular defence system about DNA
damage.
Among the many types of damage that arise in DNA, the most deadly are
double-strand DNA breaks (DSBs) (...). (...) can activate ATM, which then
adds phosphate groups to (phosphorylates) several target proteins. These
proteins are in turn linked into a signaling network that slows the cells'
progression through the cell-division cycle, and stimulates DNA repair.
DNA Repair: Damage Alert, Jiri Bartek, Jiri Lukas, Nature, Vol 421,
03/01/30, doi:10.1038/421486a
9. A Mathematical Model Of Tissue Replacement During Epidermal Wound
Healing, Appl. Math. Modelling
Abstract: A mathematical model, which describes the control of the
development and growth of a healing unit, is presented. The replacement of
epidermal injured tissue, which is controlled by a negative feedback
mechanism, is modeled in one-dimensional geometry. The model is based on
diffusion equations (¡K). The results of the model suggest that the normal
healing of a circular epidermal wound depends on the oxygen supply, and in
order for successful healing to take place, the oxygen concentration within
the wound space must be at low levels.
A Mathematical Model Of Tissue Replacement During Epidermal Wound Healing,
S. A. Maggelakis, Appl. Math. Modelling, Vol. 27, No 3, pp: 189-196, March
2003
Contributed by Pritha Das
10. The Gene That Causes The Smell Of The Earth And Leads Camels To Water,
Alphagalileo
Excerpts: ( ¡K) have discovered the gene that gives freshly turned soil
its
distinctive smell. A smell, it is believed, that enables camels to find
water in the desert. The ¡¥earthy¡¦ smell is caused by
geosmin, a chemical
produced by a common bacterium, Streptomyces coelicolor (¡K).
The smell of Streptomyces may be a matter of life and death to the camel
but these bacteria are also of enormous importance to humans as they are a
major source of the antibiotics we use in medicine. By shutting down the
bacteria¡¦s ability to produce geosmin we can make the factories
less
smelly neighbours.¡¨
The Gene That Causes The Smell Of The Earth And Leads Camels To Water, R.
Mathias, Alphagalileo, 2003/02/05
Contributed by Atin Das
11. Neurophysiology: Sensing Temperature Without Ion Channels, Nature
Excerpt: Mammals use cold-sensitive ion channels to translate information
abou the temperature of their surroundings into electrical signals that are
taken up by thermoreceptor nerve cells. Here I investigate the
thermoelectric properties of an extracellular gel removed from the
electrosensors of sharks, and show that it develops significant voltages in
response to tiny temperature gradients. This bulk property of the gel
indicates that temperature can be translated into electrical information
without the need for ion channels, a sensitivity that may help sharks to
locate thermal fronts as feeding areas.
Neurophysiology: Sensing Temperature Without Ion Channels, Brandon R.
Brown, Nature, Vol 421, 03/01/30, doi:10.1038/421495a
12. Researchers Unwind Secrets Of Biological Clocks, ScienceDaily
Excerpts: It may be only pond scum, the sort of green gunk that clogs lakes
and floats in on the tides. But inside, a clock is quietly ticking. Even
this lowly one-celled bacterium has a biological clock, the sophisticated
internal timing device that governs the daily rhythms of people, animals
and plants, (¡K) eventually could lead to cures for sleep and mood
disorders, as well as other medical problems. Golden and her colleagues
also study the biological clocks of birds, rats and fungi, but it was the
bacterium known as Synechococcus elongatus that yielded the latest
revelation: the first structural model of part of the clockworks.
Researchers Unwind Secrets Of Biological Clocks, ScienceDaily, 2003/01/31
Contributed by Atin Das
13. Scientists Target Microorganisms to Break Down Toxic Pesticide,
Environmental News Network
Excerpts: A pesticide used extensively all over the world is receiving
attention these days more for methods being used to clean it up than for
its use as chemical to control insects and mites. Endosulfan, classified as
an organochlorine (the same family as DDT), is registered for use as a
pesticide on 60 U.S. crops. Its residues have been found in the atmosphere,
soils, sediments, surface and ground waters, and food. (...) Researchers
from the University of California-Riverside and the University of
Agriculture, Faisalabad, Pakistan, recently identified specific
microorganisms which can breakdown the toxicity of endosulfan. Detoxifying
pesticides through biological means is receiving serious attention as an
alternative to existing methods, such as incineration and landfill, which
are not sufficient for large, contaminated sites.
Scientists Target Microorganisms to Break Down Toxic Pesticide, 2003-02-07,
Environmental News Network
Contributed by Nadia Gershenson
14. A Tax Code Not Intended for Amateurs, NYTimes
Excerpts: Not so long ago, Washington managed to hack through much of the
underbrush of the tax code in an overhaul that President Ronald Reagan
signed into law in 1986. But in the years after, lawmakers started adding
dozens of provisions to the individual and corporate income tax systems,
contributing to their complexity (...).
This year's instruction manual for the federal government's individual
income tax adds up to 126 pages, a far cry from the 56 pages needed in
1987, after the revision took effect.
A Tax Code Not Intended for Amateurs, Daniel Altman, NYTimes, 03/02/04
15. Technology: What Are the Chances?, NYTimes
Excerpts: The field, known in professional jargon as probabilistic risk
assessment, helps companies and government agencies decide whether they are
prepared to take the chances involved. In 1995, these tools helped a NASA
consultant estimate the risk of a catastrophic space shuttle failure at 1
in 145, or about 0.7 percent, for each mission. NASA accepted that risk.
Similar methods are used to estimate the health risks at toxic-waste sites,
to secure nuclear laboratories, weapon stockpiles and power plants, and to
determine the safety and reliability of planes and cars.
Technology: What Are the Chances?, Seth Schiesel, NYTimes, 03/02/06
16. Tangled Up in Spam, NYTimes
Excerpts: Spam is not just a nuisance. It absorbs bandwidth and overwhelms
Internet service providers. Corporate tech staffs labor to deploy filtering
technology to protect their networks. The cost is now widely estimated
(though all such estimates are largely guesswork) at billions of dollars a
year. The social costs are immeasurable: people fear participating in the
collective life of the Internet, they withdraw or they learn to conceal
their e-mail addresses, identifying themselves as user@domain.invalid
or
someone@nospam.com. The signal-to-noise
ratio nears zero, and trust is
destroyed.
Tangled Up in Spam, James Gleick, NYTimes, 03/02/09
17. Physical Growth In A Transitional Economy: The Aftermath Of South
African Apartheid, Econ. & Human Biol.
Abstract: This paper examines the effect of post-apartheid economic and
social transition on the growth and development of urban children. Whilst
these children were born with lower birth weights than in developed
countries, they did grow strongly in infancy, particularly in weight (¡K).
While post-apartheid social and economic changes were expected to take some
time to affect child growth and development, the rate of change has been
slower than expected. (¡K) growth of White children continues to be
superior to that of their non-White peers and differences that existed at
birth and during infancy have not diminished during childhood and early
adolescence.
Physical Growth In A Transitional Economy: The Aftermath Of South African
Apartheid, N. Cameron, Econ. & Human Biol. Vol. 1, Issue 1, pp:29-42, Jan.
2003, DOI: 10.1016/S1570-677X(02)00008-4
Contributed by Pritha Das
18. Modelling Political Instability And Economic Performance: Israeli
Investment During The Intifada, Economica
Abstract: I construct a model of investment in Israel that incorporates
both standard economic factors and indicators of political instability and
unrest. The model is used to estimate both the extent to which the Intifada
has depressed Israeli investment in different kinds of capital good, and
the size of the corresponding ¡¥peace dividend¡¦.
Modelling Political Instability And Economic Performance: Israeli
Investment During The Intifada, Fielding D., Economica, Vol. 70, No. 277,
pp: 159-186(28), Feb. 2003
Contributed by Pritha Das
19. Complex Challenges: Global Terrorist Networks
Excerpt: Some Pentagon researchers believe this type of naturally occurring
phenomenon, in which a decentralized group achieves a common goal, may
guide the armed forces of the future.
Several labs are working on ways to model the behavior of swarms, whether
of ants, unmanned aerial vehicles or even infantry soldiers.
"Swarm intelligence is a shift in mindset: from centralized control to
decentralized control and distributed intelligence; from predefined
solutions that may break down with the first glitch ¡K to emergent,
self-organizing strategies and tactics," said Eric Bonabeau, chief
scientist for Icosystem Corp.
Simulating Ants' Behavior May Help U.S. Fight Future Wars, Gail Kaufman,
Defense News, 03/02/03
See also Eric Bonabeau's presentation for Conference on Swarming and
Network Enabled Command, Control, Communications, Computers, Intelligence,
Surveillance, and Reconnaissance (C4ISR), McLean, VA, 02/01/13-14
Excerpt: Extremists know how to cultivate people's weaknesses, the better
to manipulate them. One such weakness is pride. It is a sweet song to the
prideful ear to be promised membership in the religious and intellectual
elite, to be "above" mere mortals. Language, here, is a valuable tool
for
extremists. Wahhabis have a vocabulary all their own, designed to forge a
sense of group cohesion. All those who are not like them are kuffar,
heathens. Their leaders are khalifes, emirs. Warriors are mujahideen.
Zacarias, My Brother: The Making of a Terrorist, Abd Samad Moussaoui, with
Florence Bouquillat, translated by Simon Pleasance and Fronza Woods,
NYTimes, 03/02/09
20. Links & Snippets
20.1 Other Publications
Evolutionary Stability of Ecological Hierarchy, Taksu Cheon. arXiv. 2003-02-1
Biologically Plausible Associative Memory: Continuous Unit Response +
Stochastic Dynamics, E. C. S. Meccia, R. P. J. Perazzo, Neural Processing
Letters, Vol. 16 (3), pp:243-257, Dec. 2002
Estimating Worklife Expectancy: An Econometric Approach, D. L. Millimet, M.
Nieswiadomy, H. Ryu, D. Slottje, J. Econometrics, Volume 113, Issue
1,pp:83-113, Mar. 2003, DOI: 10.1016/S0304-4076(02)00168-9
Homing By Path Integration In A New Environment, C. Siegrist, A. S.
Etienne, V. Boulens, R. Maurer, T. Rowe, Animal Behaviour, Vol. 65, Issue
1, pp:185-194, Jan. 2003, DOI: 10.1006/anbe.2002.2036
Sex Differences In Song Perception In Bengalese Finches Measured By The
Cardiac Response, M. Ikebuchi, M. Futamatsu & K. Okanoy, Animal Behaviour,
Vol. 65, Issue 1, pp:123-130, 2003/01/29, DOI: 10.1006/anbe.2002.2012
Functional Brain Imaging In The Dog, K. Peremans, Alphagalileo, 2003/02/04
SUMO-Wrestling With Thin Air, E. Quinn, Alphagalileo, 2003/02/05
Battery Power, N. Vatthauer, Alphagalileo, 2003/02/05
Functional Organization Of The Primary Motor Cortex Characterized By
Event-Related fMRI During Movement Preparation And Execution, Y. Zang, F.
Jia, X. Weng, E. Li, S. Cui, Y. Wang, E. Hazeltine & R. Ivryd, Neurosc.
Letters, Vol. 337, Issue 2, pp:69-72, 2003/02/06, DOI:
10.1016/s0304-3940(02)01236-3
Pathways For Emotion: Interactions Of Prefrontal And Anterior Temporal
Pathways In The Amygdala Of The Rhesus Monkey, H. T. Ghashghaei & H.
Barbas, Neuroscience, Vol. 115, Issue 4, pp:1261-1279, 2002/12/16, DOI:
10.1016/S0306-4522(02)00446-3
Expendable Microphones May Help Locate Building Collapse Survivors,
ScienceDaily, 2003/01/31
Ultra-high-density Data Storage May Become Practical With Breakthrough In
Nanoscale Magnetic Sensors, ScienceDaily, 2003/02/03
Poor Sleep Linked To Earlier Death In Older Adults, ScienceDaily, 2003/02/04
Sapphire/Slammer Worm Shatters Previous Speed Records For Spreading Through
The Internet, ScienceDaily, 2003/02/05
Rapidly Learned Song-Discrimination Without Behavioral Reinforcement In
Adult Male Zebra Finches (Taeniopygia guttata), Stripling R., Milewski L.,
Kruse A.A. & Clayton D.F, Neurobiol. of Learning and Mem., Vol.
79, No.
1, pp: 41-50 (10), Jan. 2003, DOI: 10.1016/S1074-7427(02)00005-9
NASA: Crucial Shuttle Pieces Missing, P. Arrillaga & J. B. Verrengia, AP
&
Yahoo, 2003/02/05
NASA Was Told In 1990 About Vulnerable Protective Tiles, W. J. Broad & D.
E. Sanger, The New York Times & Yahoo, 2003/02/05
International: Fears of Missile Launch Mount Among North Korea's Neighbors,
Don Kirk, NYTimes, 03/02/09, The tensions follow President Bush's failure
to rule out a military response to North Korea's steps toward possible
production of nuclear warheads.
20.2 Coming and Ongoing Webcasts
World Economic Forum Meeting "Building Trust", Davos, Switzerland,
03/01/23-28
2002 Financial Management Conference, 02/10/16-19
The Center for Business Innovation Bi-Monthly Web Cast, 03/01/15, TOPIC:
CBI Future Scan Version 6.0, WHO: David McIntosh, Director of the CBI Network
Artificial Life Conference (A-Life 8), Sydney, Australia, 02/12/09-13
Universes, Edge Video, 02/11
Novel Properties of Nano-Materials Symposium, Natl Taiwan Normal Univ,
02/12/13-14
Dean LeBaron's Archive of Daily Video Commentary, Ongoing Since February 1998
20.3 Conference Announcements
2003 AAAS Annual Meeting, Denver, Colorado, 03/02/13-18
Globalisation, Terrorism and Complexity, Liverpool, UK, 03/02/19
Complexity Science In Practice: Understanding & Acting To Improve Health
and Health Care, Mayo Clinic Rochester, Minnesota USA, 03/03/21-22
Fourth International Conference on Intelligent Data Engineering and
Automated Learning (IDEAL'03), Hong Kong, 03/03/21-23
2003 AAAI Spring Symposium Series, Computational Synthesis: From Basic
Building Blocks To High Level Functionality, Stanford, 03/03/24-27
Jahrestagung 2003 des AKSOE (Physics of Socio-Economical Systems), Dresden,
Germany, 03/03/24-28
Uncertainty and Surprise: Questions on Working with the Unexpected, U. of
Texas at Austin, Texas, 03/04/10-12
7th Annual Swarm Researchers and Users Meeting (SwarmFest2003), Notre Dame,
IN, 03/04/13-14
Agent-Based Simulation 4, Montpellier, France, 03/04/28-30
SPIE's 1st Intl Symp on Fluctuations and Noise, Santa Fe, NM, 03/06/01-04
21st ICDE World Conf on Open Learning and Distance Education, Hong Kong,
03/06/01-05
17th Workshop on Parallel and Distributed Simulation (PADS 2003), San
Diego, California, 03/06/10-13
2003 Summer Computer Simulation Conference (SCSC '03), Montreal, Canada,
03/06/20-24
5th Intl Conf "Symmetry in Nonlinear Mathematical Physics", Kiev,
Ukraine,
03/06/23-29, Mirror
9th International Conference on Auditory Display, Boston, MA, 03/07/07-09,
Wkshp on Assistive Technologies for the Blind, 03/07/06
2003 Genetic and Evolutionary Computation Conference (GECCO-2003), Chicago,
IL,03/07/12-16
2nd Intl Joint Conf on Autonomous Agents and Multi-Agent Systems
(AAMAS-2003), Melbourne, Australia, 03/07/14-18
7th World Multi-Conference on Systemics, Cybernetics and Informatics (SCI
2003), Orlando, Florida, 03/07/27-30
13th Annual International Conference, Soc f Chaos Theory in Psych & Life
Sciences,Boston, MA, USA, 03/08/08-10
1st German Conference on Multiagent System Technologies (MATES'03), Erfurt,
Germany, 03/09/22-25
7th European Conference on Artificial Life (ECAL-2003), Dortmund, Germany,
03/09/14-17
2003 IEEE/WIC Intl Joint Conf. Web Intelligence and Intelligent Agent
Technology, Beijing, China, 03/10/13-17
ICDM '03: The Third IEEE International Conference on Data Mining,
Melbourne, Florida, USA, 03/11/19-22
3rd International Workshop on Meta-Synthesis and Complex System, Guangzhou,
China, 03/11/29-30
2nd International Workshop on the Mathematics and Algorithms of Social
Insects, Georgia Tech, Atlanta, Georgia, USA; 03/12/15-17
20.3.1 Public Conference Calls
Complexity And Medical Practice, Pat Rush & Bob Lindberg, PlexusCalls,
03/01/10, Audio File Available Now, mp3
John Holland in Conversation, PlexusCalls, - Audio File Available Now, mp3
Are Disease and Aging Information/Complexity Loss Syndromes?, PlexusCalls,
02/11/08, 1 - 2 pm EST (To learn more about Ary Goldberger¡¦s work
and
HeartSongs, Music of the Heart.) Audio File Available Now, mp3
Brenda Zimmerman in Conversation, PlexusCalls, Audio File Available Now, mp3
The Complexity of Entrepreneurship: A Launchcyte Story, Tom Petzinger,
PlexusCalls, 02/11/22, Audio File Available Now, mp3
A Practical and Appreciative Approach to Complex and Chronic Challenges,
Keith McCandless, PlexusCalls, Jan 2003, Audio File Available Now, mp3
20.4 ComDig Announcement: New ComDig Archive in Beta Test
We are in the process of upgrading the Complexity Digest archives to a
format with improved search capabilities. Also, we will finally be able to
adequately publish the valuable feedback and comments from our knowledgable
readers. You are cordially invited to become a beta tester of our new
ComDig2 archive.
20.5 Erratum
In Complexity Digest 2002.49.12 of December-09-2002 we had some errors in
the discussion contribution by Prof. Brian D. Josephson. We apologize for
that mistake and appreciate any feedback regarding other mistakes or
opportunities for improvements of Complexity Digest.
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