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On the sum of the non-negative Lyapunov exponents for some cocycles related to the Anderson model
Published online by Cambridge University Press: 06 October 2015
Abstract
We provide an explicit lower bound for the the sum of the non-negative Lyapunov exponents for some cocycles related to the Anderson model. In particular, for the Anderson model on a strip of width $W$, the lower bound is proportional to
$W^{-\unicode[STIX]{x1D716}}$, for any
$\unicode[STIX]{x1D716}>0$. This bound is consistent with the fact that the lowest non-negative Lyapunov exponent is conjectured to have a lower bound proportional to
$W^{-1}$.
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- © Cambridge University Press, 2015
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