Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Asymptotics for Push on the Complete Graph   We study the popular randomized rumour spreading protocol Push. Initially, a
node in a graph possesses some information, which is then spread in a round
based manner. In each round, each informed node chooses uniformly at random one
of its neighbours and passes the information to it. The central quantity to
investigate is the Runtime, that is, the number of rounds needed until every
node has received the information.
  The Push protocol and variations of it have been studied extensively. Here we
study the case where the underlying graph is complete with $n$ nodes. Even in
this most basic setting, specifying the limiting distribution of the runtime as
well as determining related quantities, like its expectation, have remained
open problems since the protocol was introduced.
  In our main result we describe the limiting distribution of the runtime. We
show that it does not converge, and that it becomes, after the appropriate
normalization, asymptotically periodic both on the $\log_2n$ as well as on the
$\ln n$ scale. In particular, the limiting distribution converges only if we
restrict ourselves to suitable subsequences of $\mathbb N$, where
simultaneously $\log_2 n-\lfloor\log_2n\rfloor\to x$ and $\ln n-\lfloor\ln
n\rfloor\to y$ for some fixed $x,y\in [0,1)$. On such subsequences we show that
the expected runtime is $\log_2 n+\ln n+h(x,y)+o(1)$, where $h$ is explicitly
given and numerically $|\sup h - \inf h| \approx 2\cdot 10^{-4}$.

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The categories of this paper are: physics
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The categories of this paper are: cs
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The categories of this paper are: hep-ex
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The categories of this paper are: astro-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-bio
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The categories of this paper are: chao-dyn
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The categories of this paper are: q-fin
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The categories of this paper are: nlin
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The categories of this paper are: hep-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: hep-lat
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The categories of this paper are: mtrl-th
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The categories of this paper are: math-ph
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The categories of this paper are: cond-mat