Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Generalized Neumann Solution for the Two-Phase Fractional
  Lam\'{e}-Clapeyron-Stefan Problem   We obtain a generalized Neumann solution for the two-phase fractional
Lam\'{e}-Clapeyron-Stefan problem for a semi-infinite material with constant
boundary and initial conditions. In this problem, the two governing equations
and a governing condition for the free boundary include a fractional time
derivative in the Caputo sense of order $0<\al\leq 1$. When $ \al \nearrow $ 1
we recover the classical Neumann solution for the two-phase
Lam\'{e}-Clapeyron-Stefan problem given through the error function.

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The categories of this paper are: mtrl-th
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The categories of this paper are: nucl-th
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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: cs
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The categories of this paper are: stat
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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: eess
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The categories of this paper are: adap-org
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The categories of this paper are: math-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: econ
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The categories of this paper are: solv-int
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The categories of this paper are: patt-sol