Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Remarks on the WDW equation   We show a kind of converse to some results of Hall and Reginatto on exact
uncertainty related to the Schroedinger and Wheeler-deWitt equations. Some
survey material on statistical geometrodynamics is also sketched.

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The categories of this paper are: q-fin
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The categories of this paper are: solv-int
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The categories of this paper are: plasm-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: funct-an
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The categories of this paper are: cmp-lg
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The categories of this paper are: mtrl-th
10
The categories of this paper are: q-bio
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The categories of this paper are: adap-org
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The categories of this paper are: hep-ex
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The categories of this paper are: acc-phys
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The categories of this paper are: quant-ph
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The categories of this paper are: physics
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The categories of this paper are: nlin
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The categories of this paper are: math
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The categories of this paper are: patt-sol