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Posted on October 3, 2011 by Michael Batty
     Book                    Article                 Editorial             Lecture                Working Paper
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The Path Dependent City

Posted on September 30, 2011 by Michael Batty
Sometimes, we miss the best of articles … Complexity theory has found it hard to embrace policy as well as the other way round. Woodlief’s 1998 paper shows that it is not only routine development that generates path dependence but policy itself is composed of frozen accidents.
Posted in Emergence, Path Dependence, Policy Analysis | Leave a comment

Geosimulation

Posted on September 26, 2011 by Michael Batty
Geosimulation is the term first used for modelling geospatial systems by Benenson and Torrens where the models in question focus on agents, objects, cells and patterns. Marceau & Benenson present a snapshot of the state of the art in this new online edited book, example of which are represented elsewhere on this site.
Posted in Agent-Based Models, Cellular Automata, Simulation | Leave a comment

Why Agent-Based Modelling?

Posted on September 21, 2011 by Michael Batty
Andrew Crooks notes the work of Doyne Farmer with Rob Axtell on ABMs for housing markets which pointed to an article by Rob on Why Agents? More on these ideas in our edited book Agent-Based Models of Geographical Systems published by Springer later this fall, accessible online, free? Watch this space.
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Frozen Accidents

Posted on September 6, 2011 by Michael Batty
Murray Gell-Mann says the  “accumulation of frozen accidents is what gives the world its effective complexity.” These are events that define path dependence. The idea that a city is a sequence of accidents sharpens our sense of cities as patterns of regularity. An interesting conundrum. Read Gell-Mann.
Posted in Chaos, Complex Systems, Evolution, Path Dependence | Leave a comment