Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Robin-to-Robin Maps and Krein-Type Resolvent Formulas for Schr\"odinger
  Operators on Bounded Lipschitz Domains   We study Robin-to-Robin maps, and Krein-type resolvent formulas for
Schr\"odinger operators on bounded Lipschitz domains in $\bbR^n$, $n\ge 2$,
with generalized Robin boundary conditions.

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The categories of this paper are: q-fin
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The categories of this paper are: funct-an
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The categories of this paper are: hep-lat
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The categories of this paper are: eess
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The categories of this paper are: cmp-lg
30
The categories of this paper are: q-alg
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The categories of this paper are: solv-int
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The categories of this paper are: math-ph
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The categories of this paper are: hep-th
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The categories of this paper are: mtrl-th
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The categories of this paper are: cs
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The categories of this paper are: atom-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: hep-ex
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The categories of this paper are: econ
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The categories of this paper are: nucl-th