Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On Nyquist-Shannon Theorem with one-sided half of sampling sequence   The classical sampling Nyquist-Shannon-Kotelnikov theorem states that a
band-limited continuous time function can be uniquely recovered without error
from a infinite two-sided sampling series taken with a sufficient frequency.
This short note shows that the function can be recovered from any one-sided
semi-infinite half of any oversampling series, with the same boundary for
admissible frequencies as in the classical theorem.

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The categories of this paper are: q-alg
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The categories of this paper are: hep-ex
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The categories of this paper are: gr-qc
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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: nucl-ex
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The categories of this paper are: econ
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The categories of this paper are: quant-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: plasm-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: physics
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The categories of this paper are: acc-phys
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The categories of this paper are: eess
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-ph