Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The quasi-Poisson Goldman formula   We prove a quasi-Poisson bracket formula for the space of representations of
the fundamental groupoid of a surface with boundary, which generalizes
Goldman's Poisson bracket formula. We also deduce a similar formula for
quasi-Poisson cross-sections.

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The categories of this paper are: acc-phys
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The categories of this paper are: hep-lat
0
The categories of this paper are: hep-ph
30
The categories of this paper are: q-alg
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The categories of this paper are: hep-th
4
The categories of this paper are: cond-mat
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The categories of this paper are: supr-con
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The categories of this paper are: gr-qc
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The categories of this paper are: funct-an
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The categories of this paper are: q-fin
3
The categories of this paper are: physics
13
The categories of this paper are: quant-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: eess
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The categories of this paper are: atom-ph
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The categories of this paper are: stat