Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: New paradox in the special theory of relativity generated by the string
  dynamics   It is proved that the definition of simultaneity by Einstein leads to the
paradox motion of he string from the viewpoint of the observer in the inertial
system S' moving with velocity v with regard to the inertial system S.

29
The categories of this paper are: funct-an
28
The categories of this paper are: alg-geom
37
The categories of this paper are: supr-con
34
The categories of this paper are: chem-ph
17
The categories of this paper are: q-fin
36
The categories of this paper are: cmp-lg
24
The categories of this paper are: dg-ga
6
The categories of this paper are: astro-ph
26
The categories of this paper are: bayes-an
21
The categories of this paper are: adap-org
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
8
The categories of this paper are: hep-ex
5
The categories of this paper are: gr-qc
18
The categories of this paper are: econ