Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Locally Helical Surfaces have bounded twisting   A topologically minimal surface may be isotoped into a normal form with
respect to a fixed triangulation. If the intersection with each tetrahedron is
simply connected, then the pieces of this normal form are triangles,
quadrilaterals, and helicoids. Helical pieces can have any number of positive
or negative twists. We show here that the net twisting of the helical pieces of
any such surface in a given triangulated 3-manifold is bounded.

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The categories of this paper are: atom-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: econ
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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: stat
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The categories of this paper are: solv-int
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The categories of this paper are: eess
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The categories of this paper are: ao-sci
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The categories of this paper are: hep-ex
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The categories of this paper are: astro-ph
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The categories of this paper are: bayes-an
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The categories of this paper are: patt-sol
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The categories of this paper are: plasm-ph
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The categories of this paper are: cmp-lg