Abstract
[MGOY] introduced the uncertainty dimension as a quantative measure for final state sensitivity in a system. In [MGOY] and [P] it was conjectured that the box-counting dimension equals the uncertainty dimension for basin boundaries in typical dynamical systems. In this paper our main result is that the box-counting dimension, the uncertainty dimension and the Hausdorff dimension are all equal for the basin boundaries of one and two dimensional systems, which are uniformly hyperbolic on their basin boundary. When the box-counting dimension of the basin boundary is large, that is, near the dimension of the phase space, this result implies that even a large decrease in the uncertainty of the position of the initial condition yields only a relatively small decrease in the uncertainty of which basin that initial point is in.
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Communicated by J.-P. Eckmann
Research in part supported by AFOSR and by the Department of Energy (Scientific Computing Staff Office of Energy Research)
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Nusse, H.E., Yorke, J.A. The equality of fractal dimension and uncertainty dimension for certain dynamical systems. Commun.Math. Phys. 150, 1–21 (1992). https://doi.org/10.1007/BF02096562
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DOI: https://doi.org/10.1007/BF02096562