Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Some Comments on Entanglement and Local Thermofield Theory   We combine recent results of Clifton and Halvorson [1] with structural
results of the author [2--5] concerning the local observables in thermofield
theory. An number of interesting consequences are discussed.

4
The categories of this paper are: cond-mat
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The categories of this paper are: mtrl-th
2
The categories of this paper are: math
30
The categories of this paper are: q-alg
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The categories of this paper are: eess
10
The categories of this paper are: q-bio
31
The categories of this paper are: ao-sci
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The categories of this paper are: hep-th
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The categories of this paper are: nucl-ex
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The categories of this paper are: plasm-ph
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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: acc-phys
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The categories of this paper are: math-ph
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The categories of this paper are: hep-ex
1
The categories of this paper are: cs