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Chaotic Ising-like dynamics in traffic signals

Chaotic Ising-like dynamics in traffic signals | Papers | Scoop.it

The green and red lights of a traffic signal can be viewed as the up and down states of an Ising spin. Moreover, traffic signals in a city interact with each other, if they are controlled in a decentralised way. In this paper, a simple model of such interacting signals on a finite-size two-dimensional lattice is shown to have Ising-like dynamics that undergoes a ferromagnetic phase transition. Probabilistic behaviour of the model is realised by chaotic billiard dynamics that arises from coupled non-chaotic elements. This purely deterministic model is expected to serve as a starting point for considering statistical mechanics of traffic signals.

 

Chaotic Ising-like dynamics in traffic signals

Hideyuki Suzuki, Jun-ichi Imura & Kazuyuki Aihara

Scientific Reports 3, Article number: 1127 http://dx.doi.org/10.1038/srep01127

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Why Millennials Don't Want To Buy Stuff

Why Millennials Don't Want To Buy Stuff | Papers | Scoop.it

Compared to previous generations, Millennials seem to have some very different habits that have taken both established companies and small businesses by surprise. One of these is that Generation Y doesn't seem to enjoy purchasing things.


The Atlantic's article "Why Don't Young Americans Buy Cars?" mused recently about Millennials' tendency to not care about owning a vehicle. The subtitle: "Is this a generational shift, or just a lousy economy at work?"


What if it's not an "age thing" at all? What's really causing this strange new behavior (or rather, lack of behavior)? Generational segments have profound impacts on perception and behavior, but an "ownership shift" isn't isolated within the Millennial camp. A writer for USA Today shows that all ages are in on this trend, but instead of an age group, he blames the change on the cloud, the heavenly home our entertainment goes to when current media models die. As all forms of media make their journey into a digital, de-corporeal space, research shows that people are beginning to actually prefer this disconnected reality to owning a physical product.


Via ddrrnt
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