Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Abelian Current Algebra and the Virasoro Algebra on the Lattice   We describe how a natural lattice analogue of the abelian current algebra
combined with free discrete time dynamics gives rise to the lattice Virasoro
algebra and corresponding hierarchy of conservation laws.

12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
29
The categories of this paper are: funct-an
31
The categories of this paper are: ao-sci
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-fin
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The categories of this paper are: adap-org
9
The categories of this paper are: nlin
5
The categories of this paper are: gr-qc
24
The categories of this paper are: dg-ga
36
The categories of this paper are: cmp-lg
11
The categories of this paper are: hep-lat
6
The categories of this paper are: astro-ph
37
The categories of this paper are: supr-con
8
The categories of this paper are: hep-ex
19
The categories of this paper are: eess