A. Johansen

activity

19992011

most citedDust sedimentation and self-sustained Kelvin-Helmholtz turbulence in protoplanetary disk mid-planes. I. Radially symmetric simulations

159 citations · 488 across the 12 of their papers we have counts for

collaborators

Showing 2005 · physics.soc-phShow all

2 papers · 2 filters

physics.soc-ph2005

Experiments on Internet Response

Anders Johansen

This paper suggests a generalized distribution of response times to new information $\sim t^{- b}$ for human populations in the absence of deadlines. This has important implications…

physics.soc-ph2005

Investment horizons : A time-dependent measure of asset performance

Ingve Simonsen, Anders Johansen, Mogens H. Jensen

We review a resent {\em time-dependent} performance measure for economical time series -- the (optimal) investment horizon approach. For stock indices, the approach shows a pronoun…