Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Existence of Minimizers for Fractional Variational Problems Containing
  Caputo Derivatives   We study dynamic minimization problems of the calculus of variations with
Lagrangian functionals containing Riemann-Liouville fractional integrals,
classical and Caputo fractional derivatives. Under assumptions of regularity,
coercivity and convexity, we prove existence of solutions.

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The categories of this paper are: cmp-lg
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The categories of this paper are: bayes-an
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The categories of this paper are: q-bio
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The categories of this paper are: hep-lat
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The categories of this paper are: chem-ph
7
The categories of this paper are: hep-th
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The categories of this paper are: eess
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The categories of this paper are: dg-ga
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The categories of this paper are: math-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: nlin
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The categories of this paper are: atom-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: econ
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The categories of this paper are: funct-an
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The categories of this paper are: patt-sol