Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Coordinate Finite Type Rotational Surfaces in Euclidean Spaces   Submanifolds of coordinate finite-type were introduced in HV1. A submanifold
of a Euclidean space is called a coordinate finite-type submanifold if its
coordinate functions are eigenfunctions of {\Delta}. In the present study we
consider coordinate finite-type surfaces in E^4. We give necessary and
sufficient conditions for generalized rotation surfaces in E^4 to become
coordinate finite-type. We also give some special examples.

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The categories of this paper are: gr-qc
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The categories of this paper are: stat
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The categories of this paper are: hep-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: dg-ga
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The categories of this paper are: hep-ex
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The categories of this paper are: physics
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The categories of this paper are: math-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-bio
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The categories of this paper are: comp-gas
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The categories of this paper are: ao-sci
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The categories of this paper are: cs
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The categories of this paper are: nucl-th
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The categories of this paper are: cmp-lg
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The categories of this paper are: quant-ph