Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The relation between quenched and annealed Lyapunov exponents in random
  potential on trees   In the first part of the article our subject of interest is a simple
symmetric random walk on the integers which faces a random risk to be killed.
This risk is described by random potentials, which in turn are defined by a
sequence of independent and identically distributed non-negative random
variables. To determine the risk of taking a walk in these potentials we
consider the decay of the Green function. There are two possible tools to
describe this decay: The quenched Lyapunov exponents and the annealed Lyapunov
exponents. It turns out that on the integers we can state a precise relation
between these two. The main tool for proving this is due to a special path
property on the integers: if the random walk travels from one point to another
one in finite time all the points between have to be passed in finite time as
well. This allows using Ergodic Theorems. In the second part we show that the
relation is also true in the case of Lyapunov exponents for simple symmetric
random walks on d-regular trees and for random walks with drift.

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The categories of this paper are: astro-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: adap-org
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The categories of this paper are: ao-sci
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The categories of this paper are: quant-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: comp-gas
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The categories of this paper are: bayes-an
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The categories of this paper are: mtrl-th
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The categories of this paper are: chem-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: math-ph
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The categories of this paper are: stat
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The categories of this paper are: nlin
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The categories of this paper are: q-fin
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The categories of this paper are: cmp-lg