Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On Tachyons in Generic Orbifolds of $\BC^r$ and Gauged Linear Sigma
  Models   We study some aspects of Gauged Linear Sigma Models corresponding to orbifold
singularities of the form $\BC^r/\Gamma$, for $r=2,3$ and $\Gamma = \BZ_n$ and
$\BZ_n\times \BZ_m$. These orbifolds might be tachyonic in general. We compute
expressions for the multi parameter sigma model Lagrangians for these
orbifolds, in terms of their toric geometry data. Using this, we analyze some
aspects of the phases of generic orbifolds of $\BC^r$.

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The categories of this paper are: nucl-ex
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The categories of this paper are: alg-geom
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The categories of this paper are: q-fin
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The categories of this paper are: cmp-lg
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The categories of this paper are: cs
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The categories of this paper are: quant-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: hep-ph
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The categories of this paper are: math-ph
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The categories of this paper are: physics
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The categories of this paper are: chao-dyn
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The categories of this paper are: stat
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The categories of this paper are: q-bio
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The categories of this paper are: ao-sci
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The categories of this paper are: solv-int
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The categories of this paper are: math