Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Joint manifestation of fractional quantum Hall effect and insulating
  behavior in graphene at high magnetic fields   This paper (concerning the infinite-mass boundary condition) has been
withdrawn by the author. Another, independent study regarding the zigzag
boundary condition has appeared in Phys. Rev. B 82, 125419 (2010).

25
The categories of this paper are: patt-sol
10
The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
19
The categories of this paper are: eess
24
The categories of this paper are: dg-ga
20
The categories of this paper are: acc-phys
16
The categories of this paper are: stat
0
The categories of this paper are: hep-ph
9
The categories of this paper are: nlin
37
The categories of this paper are: supr-con
8
The categories of this paper are: hep-ex
31
The categories of this paper are: ao-sci
17
The categories of this paper are: q-fin
13
The categories of this paper are: quant-ph
27
The categories of this paper are: comp-gas
1
The categories of this paper are: cs