2 papers
chao-dyn1999
General properties of propagation in chaotic systems
G. Giacomelli, R. Hegger, A. Politi +1
We conjecture that in one-dimensional spatially extended systems the propagation velocity of correlations coincides with a zero of the convective Lyapunov spectrum. This conjecture…
cond-mat1994
Is DLA Locally Isotropic or Self-Affine?
Rainer Hegger, Peter Grassberger
We present results of simulations which show unambiguously that DLA clusters are not self-affine, in contrast to frequent claims. The measured observable is the asymmetry of the la…