Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: CFT and topological recursion   We study the quasiclassical expansion associated with a complex curve. In a
more specific context this is the 1/N expansion in U(N)-invariant matrix
integrals. We compare two approaches, the CFT approach and the topological
recursion, and show their equivalence. The CFT approach reformulates the
problem in terms of a conformal field theory on a Riemann surface, while the
topological recursion is based on a recurrence equation for the observables
representing symplectic invariants on the complex curve. The two approaches
lead to two different graph expansions, one of which can be obtained as a
partial resummation of the other.

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The categories of this paper are: econ
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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: patt-sol
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The categories of this paper are: ao-sci
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The categories of this paper are: eess
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The categories of this paper are: hep-lat
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The categories of this paper are: atom-ph
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The categories of this paper are: q-bio
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The categories of this paper are: hep-ph
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The categories of this paper are: q-fin
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The categories of this paper are: bayes-an
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The categories of this paper are: chem-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: alg-geom
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The categories of this paper are: nucl-ex