Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Compactifying Exchange Graphs I: Annuli and Tubes   We introduce the notion of an \emph{asymptotic triangulation} of the annulus.
We show that asymptotic triangulations can be mutated as the usual
triangulations and describe their exchange graph. Viewing asymptotic
triangulations as limits of triangulations under the action of the mapping
class group, we compactify the exchange graph of the triangulations of the
annulus. The cases of tubes are also considered.

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The categories of this paper are: nucl-th
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The categories of this paper are: hep-lat
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The categories of this paper are: hep-ph
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The categories of this paper are: physics
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The categories of this paper are: nucl-ex
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The categories of this paper are: dg-ga
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The categories of this paper are: q-fin
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The categories of this paper are: math-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: cs
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The categories of this paper are: supr-con
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The categories of this paper are: adap-org
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The categories of this paper are: q-alg
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The categories of this paper are: plasm-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: nlin