thanks guys!<br><br><div class="gmail_quote">On Sat, Sep 17, 2011 at 9:02 AM, Paul B. Hartzog <span dir="ltr"><<a href="mailto:PaulBHartzog@paulbhartzog.org">PaulBHartzog@paulbhartzog.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
For Brownian ( and other ) models of pedestrian ( and other) traffic<br>
flows Dirk Helbing is key.<br>
Early work is around 1998.<br>
<br>
A Mathematical Model for the Behavior of Pedestrians<br>
Helbing<br>
at <a href="http://arxiv.org" target="_blank">arxiv.org</a>, 18 May 1998<br>
<br>
Models for Pedestrian Behavior<br>
Helbing<br>
at <a href="http://arxiv.org" target="_blank">arxiv.org</a>, 13 May 1998<br>
<br>
Self-Organization Phenomena in Pedestrian Crowds<br>
Dirk Helbing and Peter Moln�r, "Self-Organization<br>
Phenomena in Pedestrian Crowds," in Self-Organization of Complex<br>
Structures: From Individual to<br>
Collective Dynamics, ed. F Schweitzer (London: Gordon and Breach, 1997).<br>
at <a href="http://arxiv.org" target="_blank">arxiv.org</a>, 11 Jun 1998<br>
<br>
Social force model for pedestrian dynamics<br>
Dirk Helbing and Peter Molnar<br>
at <a href="http://arxiv.org" target="_blank">arxiv.org</a>, 20 May 1998<br>
<br>
"Helbing�s (1992) mathematical model of the flow of pedestrians going<br>
into different directions, and thus unintentionally hindering each<br>
other�s movements, in the same way that molecules in a fluid collide<br>
with other molecules, thus producing physical friction."<br>
Helbing D. (1992) A Fluid Dynamic Model for the Movement of<br>
Pedestrians, Complex Systems 6,<br>
391-415<br>
<br>
"the behavioral force model of pedestrian motion"<br>
Self-organizing pedestrian movement<br>
Helbing, Molnar, Farkas, Bolay<br>
Environment and Planning B: Planning and Design 2001, volume 28, pages 361 ^ 383<br>
<br>
�realistic traffic dynamics from which analysts using TRANSIMS<br>
Fire escape agent-based simulation (live simulation available at<br>
<a href="http://www.helbing.org" target="_blank">www.helbing.org</a>�<br>
from<br>
Helbing, D., Farkas, I. & Vicsek, T. (2000) Nature (London) 407, 487� 490.<br>
mentioned in<br>
Agent-based modeling: Methods and techniques for<br>
simulating human systems<br>
Eric Bonabeau<br>
7280 �7287 | PNAS | May 14, 2002 | vol. 99 | suppl. 3<br>
<a href="http://www.pnas.org/cgi/doi/10.1073/pnas.082080899" target="_blank">www.pnas.org/cgi/doi/10.1073/pnas.082080899</a><br>
<br>
Illes Farkas, Dirk Helbing, and Tamas Vicsek, "Crowd Behaves as Excitable Media<br>
During Mexican Wave," Nature 2002,<br>
<br>
Also<br>
<br>
Mark Granovetter, " Threshold Models of Collective Behavior,"<br>
American Journal of Sociology 83, no. 6 ( 1978),<br>
<br>
Dussutour, A., Fourcassie�, V., Helbing, D., & Deneubourg, J.-L.<br>
(2004). Optimal traffic organization in ants<br>
under crowded conditions. Nature, 428(6978), 70 � 73.<br>
<br>
Eric Bonabeau, Marco Dorigo, and Guy Theraulaz, Swarm Intelligence : From<br>
Natural to Artificial Systems (New York: Oxford University Press, 1999),<br>
<br>
Steven H. Strogatz, Sync : The<br>
Emerging Science of Spontaneous Order, 1st ed. (New York: Theia, 2003).<br>
<br>
Self-Assembling of Networks in an Agent-Based Model<br>
Frank Schweitzer<br>
Benno Tilch<br>
re: Brownian agents vis a vis �internal degrees of freedom�<br>
at <a href="http://arxiv.org" target="_blank">arxiv.org</a>, 11 Dec 2002<br>
<br>
<br>
<br>
<br>
<br>
hope that helps.<br>
it helped me :-)<br>
-p<br>
<div><div></div><div class="h5"><br>
<br>
<br>
<br>
<br>
<br>
<br>
On Fri, Sep 16, 2011 at 4:35 PM, Samuel Rose <<a href="mailto:samuel.rose@gmail.com">samuel.rose@gmail.com</a>> wrote:<br>
> try this <a href="https://www.zotero.org/groups/forwardfoundation/items/collectionKey/X4UGSC2Q" target="_blank">https://www.zotero.org/groups/forwardfoundation/items/collectionKey/X4UGSC2Q</a><br>
><br>
><br>
><br>
> On Wed, Sep 7, 2011 at 10:59 PM, Michel Bauwens<br>
> <<a href="mailto:michel@p2pfoundation.net">michel@p2pfoundation.net</a>> wrote:<br>
>> any biblio for guidance?<br>
>><br>
>> On Thu, Sep 8, 2011 at 7:06 AM, Samuel Rose <<a href="mailto:samuel.rose@gmail.com">samuel.rose@gmail.com</a>> wrote:<br>
>>><br>
>>> On Mon, Sep 5, 2011 at 3:50 AM, Michel Bauwens <<a href="mailto:michel@p2pfoundation.net">michel@p2pfoundation.net</a>><br>
>>> wrote:<br>
>>> > thanks Sam,<br>
>>> ><br>
>>> > this may be the case, but I see a lot of network theory literature, for<br>
>>> > example the much cited Reed's law, which ignores human volition ..<br>
>>> ><br>
>>><br>
>>> I can imagine. I think if you are interested in network theory, it is<br>
>>> definitely worth knowing the complex systems thinkers from throughout<br>
>>> the 1980's to present (if you do not already). Lots of great useful<br>
>>> work there.<br>
>>><br>
>>> > On Mon, Sep 5, 2011 at 12:14 PM, Samuel Rose <<a href="mailto:samuel.rose@gmail.com">samuel.rose@gmail.com</a>><br>
>>> > wrote:<br>
>>> >><br>
>>> >> On Mon, Sep 5, 2011 at 12:54 AM, Michel Bauwens<br>
>>> >> <<a href="mailto:michel@p2pfoundation.net">michel@p2pfoundation.net</a>> wrote:<br>
>>> >> > Dear TOmas,<br>
>>> >> ><br>
>>> >> > This is quite important in my opinion with network theory finally<br>
>>> >> > including<br>
>>> >> > human volition and abandoning reductionism,<br>
>>> >> ><br>
>>> >> > I really hope you can look into this for discussion at our blog,<br>
>>> >> ><br>
>>> >> > see <a href="http://gfbertini.wordpress.com/2011/09/03/wisdom-about-crowds/" target="_blank">http://gfbertini.wordpress.com/2011/09/03/wisdom-about-crowds/</a> ;<br>
>>> >> > <a href="http://www.economist.com/node/18584096?story_id=18584096&fsrc=rss" target="_blank">http://www.economist.com/node/18584096?story_id=18584096&fsrc=rss</a><br>
>>> >> ><br>
>>> >> ><br>
>>> >> > �Existing models of crowd behaviour do just that. They treat moving<br>
>>> >> > masses<br>
>>> >> > of humanity as though they were fluids. This works, up to a point.<br>
>>> >> > But<br>
>>> >> > it<br>
>>> >> > often fails to predict the changes that happen as a crowd�s density<br>
>>> >> > increases and its movement becomes chaotic. That is why Mehdi<br>
>>> >> > Moussaid<br>
>>> >> > of<br>
>>> >> > Paul Sabatier University, in Toulouse, and his colleagues have made a<br>
>>> >> > radical innovation. Instead of treating the individual human beings<br>
>>> >> > in a<br>
>>> >> > crowd as if they were molecules, they have treated them as if they<br>
>>> >> > were<br>
>>> >> > human beings. They have, in other words, given them volition. Of<br>
>>> >> > course,<br>
>>> >> > the<br>
>>> >> > objective of someone in a moving crowd is usually fairly simple�to<br>
>>> >> > get<br>
>>> >> > somewhere and then stay there. But it is an objective, nevertheless.<br>
>>> >> ><br>
>>> >><br>
>>> >> Unless I am really missing something, this is absolutely not anything<br>
>>> >> new in the world of network sciences and complex systems<br>
>>> >> science/modeling/theory. In fact, practically every agent based<br>
>>> >> complex systems model applies simple rules to the agents and then runs<br>
>>> >> the model to see what will happen. This goes all the way back to John<br>
>>> >> Holland, Robert Axelrod, and others who pioneered complex systems<br>
>>> >> models. Read the article on The Economist itself to see why I am<br>
>>> >> having this reaction:<br>
>>> >> <a href="http://www.economist.com/node/18584096?story_id=18584096&fsrc=rss" target="_blank">http://www.economist.com/node/18584096?story_id=18584096&fsrc=rss</a><br>
>>> >><br>
>>> >><br>
>>> >><br>
>>> >><br>
>>> >><br>
>>> >><br>
>>> >><br>
>>> >><br>
>>> >> > --<br>
>>> >> > P2P Foundation: <a href="http://p2pfoundation.net" target="_blank">http://p2pfoundation.net</a>� -<br>
>>> >> > <a href="http://blog.p2pfoundation.net" target="_blank">http://blog.p2pfoundation.net</a><br>
>>> >> ><br>
>>> >> > Connect: <a href="http://p2pfoundation.ning.com" target="_blank">http://p2pfoundation.ning.com</a>;<br>
>>> >> ><br>
>>> >> ><br>
>>> >> > Discuss:�<a href="http://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation" target="_blank">http://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation</a><br>
>>> >> > Updates: <a href="http://del.icio.us/mbauwens" target="_blank">http://del.icio.us/mbauwens</a>; <a href="http://friendfeed.com/mbauwens" target="_blank">http://friendfeed.com/mbauwens</a>;<br>
>>> >> > <a href="http://twitter.com/mbauwens" target="_blank">http://twitter.com/mbauwens</a>; <a href="http://www.facebook.com/mbauwens" target="_blank">http://www.facebook.com/mbauwens</a><br>
>>> >> ><br>
>>> >> ><br>
>>> >> > _______________________________________________<br>
>>> >> > P2P Foundation - Mailing list<br>
>>> >> > <a href="http://www.p2pfoundation.net" target="_blank">http://www.p2pfoundation.net</a><br>
>>> >> > <a href="https://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation" target="_blank">https://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation</a><br>
>>> >> ><br>
>>> >> ><br>
>>> >><br>
>>> >><br>
>>> >><br>
>>> >> --<br>
>>> >> --<br>
>>> >> Sam Rose<br>
>>> >> Hollymead Capital Partners, LLC<br>
>>> >> Cel: +1-(517)-974-6451<br>
>>> >> email: <a href="mailto:samuel.rose@gmail.com">samuel.rose@gmail.com</a><br>
>>> >> <a href="http://hollymeadcapital.com" target="_blank">http://hollymeadcapital.com</a><br>
>>> >> <a href="http://p2pfoundation.net" target="_blank">http://p2pfoundation.net</a><br>
>>> >> <a href="http://futureforwardinstitute.com" target="_blank">http://futureforwardinstitute.com</a><br>
>>> >> <a href="http://socialmediaclassroom.com" target="_blank">http://socialmediaclassroom.com</a><br>
>>> >><br>
>>> >> "The universe is not required to be in perfect harmony with human<br>
>>> >> ambition." - Carl Sagan<br>
>>> >><br>
>>> >> _______________________________________________<br>
>>> >> P2P Foundation - Mailing list<br>
>>> >> <a href="http://www.p2pfoundation.net" target="_blank">http://www.p2pfoundation.net</a><br>
>>> >> <a href="https://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation" target="_blank">https://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation</a><br>
>>> ><br>
>>> ><br>
>>> ><br>
>>> > --<br>
>>> > P2P Foundation: <a href="http://p2pfoundation.net" target="_blank">http://p2pfoundation.net</a>� -<br>
>>> > <a href="http://blog.p2pfoundation.net" target="_blank">http://blog.p2pfoundation.net</a><br>
>>> ><br>
>>> > Connect: <a href="http://p2pfoundation.ning.com" target="_blank">http://p2pfoundation.ning.com</a>;<br>
>>> ><br>
>>> > Discuss:�<a href="http://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation" target="_blank">http://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation</a><br>
>>> > Updates: <a href="http://del.icio.us/mbauwens" target="_blank">http://del.icio.us/mbauwens</a>; <a href="http://friendfeed.com/mbauwens" target="_blank">http://friendfeed.com/mbauwens</a>;<br>
>>> > <a href="http://twitter.com/mbauwens" target="_blank">http://twitter.com/mbauwens</a>; <a href="http://www.facebook.com/mbauwens" target="_blank">http://www.facebook.com/mbauwens</a><br>
>>> ><br>
>>> ><br>
>>> > _______________________________________________<br>
>>> > P2P Foundation - Mailing list<br>
>>> > <a href="http://www.p2pfoundation.net" target="_blank">http://www.p2pfoundation.net</a><br>
>>> > <a href="https://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation" target="_blank">https://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation</a><br>
>>> ><br>
>>> ><br>
>>><br>
>>><br>
>>><br>
>>> --<br>
>>> --<br>
>>> Sam Rose<br>
>>> Hollymead Capital Partners, LLC<br>
>>> Cel: +1-(517)-974-6451<br>
>>> email: <a href="mailto:samuel.rose@gmail.com">samuel.rose@gmail.com</a><br>
>>> <a href="http://hollymeadcapital.com" target="_blank">http://hollymeadcapital.com</a><br>
>>> <a href="http://p2pfoundation.net" target="_blank">http://p2pfoundation.net</a><br>
>>> <a href="http://futureforwardinstitute.com" target="_blank">http://futureforwardinstitute.com</a><br>
>>> <a href="http://socialmediaclassroom.com" target="_blank">http://socialmediaclassroom.com</a><br>
>>><br>
>>> "The universe is not required to be in perfect harmony with human<br>
>>> ambition." - Carl Sagan<br>
>>><br>
>>> _______________________________________________<br>
>>> P2P Foundation - Mailing list<br>
>>> <a href="http://www.p2pfoundation.net" target="_blank">http://www.p2pfoundation.net</a><br>
>>> <a href="https://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation" target="_blank">https://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation</a><br>
>><br>
>><br>
>><br>
>> --<br>
>> P2P Foundation: <a href="http://p2pfoundation.net" target="_blank">http://p2pfoundation.net</a>� - <a href="http://blog.p2pfoundation.net" target="_blank">http://blog.p2pfoundation.net</a><br>
>><br>
>> Connect: <a href="http://p2pfoundation.ning.com" target="_blank">http://p2pfoundation.ning.com</a>;<br>
>> Discuss:�<a href="http://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation" target="_blank">http://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation</a><br>
>> Updates: <a href="http://del.icio.us/mbauwens" target="_blank">http://del.icio.us/mbauwens</a>; <a href="http://friendfeed.com/mbauwens" target="_blank">http://friendfeed.com/mbauwens</a>;<br>
>> <a href="http://twitter.com/mbauwens" target="_blank">http://twitter.com/mbauwens</a>; <a href="http://www.facebook.com/mbauwens" target="_blank">http://www.facebook.com/mbauwens</a><br>
>><br>
>><br>
>> _______________________________________________<br>
>> P2P Foundation - Mailing list<br>
>> <a href="http://www.p2pfoundation.net" target="_blank">http://www.p2pfoundation.net</a><br>
>> <a href="https://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation" target="_blank">https://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation</a><br>
>><br>
>><br>
><br>
><br>
><br>
> --<br>
> --<br>
> Sam Rose<br>
> Hollymead Capital Partners, LLC<br>
> Cel: +1-(517)-974-6451<br>
> email: <a href="mailto:samuel.rose@gmail.com">samuel.rose@gmail.com</a><br>
> <a href="http://hollymeadcapital.com" target="_blank">http://hollymeadcapital.com</a><br>
> <a href="http://p2pfoundation.net" target="_blank">http://p2pfoundation.net</a><br>
> <a href="http://futureforwardinstitute.com" target="_blank">http://futureforwardinstitute.com</a><br>
> <a href="http://socialmediaclassroom.com" target="_blank">http://socialmediaclassroom.com</a><br>
><br>
> "The universe is not required to be in perfect harmony with human<br>
> ambition." - Carl Sagan<br>
><br>
<br>
<br>
<br>
</div></div><font color="#888888">--<br>
--------------------------------------------------------<br>
<a href="http://www.PaulBHartzog.org" target="_blank">http://www.PaulBHartzog.org</a><br>
PaulBHartzog@PaulBHartzog.org<br>
--------------------------------------------------------<br>
The Universe is made up of stories, not atoms.<br>
� � � � � � � �� --Muriel Rukeyser<br>
<br>
Perceive differently, then you will act differently.<br>
� � � � � � � �� --Paul B. Hartzog<br>
--------------------------------------------------------<br>
</font></blockquote></div><br><br clear="all"><div><br></div>-- <br>P2P Foundation: <a href="http://p2pfoundation.net" target="_blank">http://p2pfoundation.net</a>� - <a href="http://blog.p2pfoundation.net" target="_blank">http://blog.p2pfoundation.net</a> <br>
<br>Connect: <a href="http://p2pfoundation.ning.com" target="_blank">http://p2pfoundation.ning.com</a>; Discuss:�<a href="http://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation" target="_blank">http://lists.ourproject.org/cgi-bin/mailman/listinfo/p2p-foundation</a><div>
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