Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Path Integral Quantization of Self Interacting Scalar Field with Higher
  Derivatives   Scalar field systems containing higher derivatives are studied and quantized
by Hamiltonian path integral formalism. A new point to previous quantization
methods is that field functions and their derivatives with time are considered
as independent canonical variables. Consequently, generating functional,
explicit expressions of propagators and Feynman diagrams in $\phi^3$ theory are
found

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The categories of this paper are: bayes-an
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The categories of this paper are: alg-geom
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The categories of this paper are: funct-an
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The categories of this paper are: econ
5
The categories of this paper are: gr-qc
15
The categories of this paper are: nucl-ex
1
The categories of this paper are: cs
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: q-alg
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The categories of this paper are: atom-ph
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The categories of this paper are: supr-con
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The categories of this paper are: astro-ph
3
The categories of this paper are: physics
25
The categories of this paper are: patt-sol