Mathematics news

Spurious switching points in traded stock dynamics

Physicists have rebuffed the existence of power laws governing the dynamics of traded stock volatility, volume and intertrade times at times of stock price extrema. They did this by demonstrating that what appeared as "switching ...

dateMay 15, 2012 in Mathematics
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Networks in motion

A new article by a Northwestern University complex networks expert discusses how networks governing processes in nature and society are becoming increasingly amenable to modeling, forecast and control.

dateApr 19, 2012 in Mathematics
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Magnetic fields can send particles to infinity

Researchers from the Complutense University of Madrid (UCM, Spain) have mathematically shown that particles charged in a magnetic field can escape into infinity without ever stopping. One of the conditions is that the field ...

dateApr 17, 2012 in Mathematics
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