Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Nonexistence of distributional supersolutions of a semilinear elliptic
  equation with Hardy potential   In this paper we study nonexistence of non-negative distributional
supersolutions for a class of semilinear elliptic equations involving
inverse-square potentials.

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The categories of this paper are: hep-th
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The categories of this paper are: nucl-th
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The categories of this paper are: stat
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The categories of this paper are: econ
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The categories of this paper are: mtrl-th
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The categories of this paper are: supr-con
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The categories of this paper are: plasm-ph
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The categories of this paper are: nlin
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The categories of this paper are: physics
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The categories of this paper are: comp-gas
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The categories of this paper are: math-ph
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The categories of this paper are: gr-qc
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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: q-alg
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The categories of this paper are: cmp-lg