Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Methods of Differential Geometry in Classical Field Theories:
  k-symplectic and k-cosymplectic approaches   This book is devoted to review two of the most relevant approaches to the
study of classical field theories of first order, say k-symplectic and
k-cosymplectic. In the last part, we relate the k-symplectic and k-cosymplectic
manifolds with the multisymplectic theory.

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The categories of this paper are: nucl-ex
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The categories of this paper are: atom-ph
3
The categories of this paper are: physics
8
The categories of this paper are: hep-ex
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
31
The categories of this paper are: ao-sci
20
The categories of this paper are: acc-phys
28
The categories of this paper are: alg-geom
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The categories of this paper are: adap-org
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The categories of this paper are: funct-an
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The categories of this paper are: nucl-th
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The categories of this paper are: comp-gas
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The categories of this paper are: q-fin
10
The categories of this paper are: q-bio