Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Non-critical dimensions for critical problems involving fractional
  Laplacians   We study the Brezis--Nirenberg effect in two families of noncompact boundary
value problems involving Dirichlet-Laplacian of arbitrary real order $m>0$.

24
The categories of this paper are: dg-ga
3
The categories of this paper are: physics
23
The categories of this paper are: solv-int
5
The categories of this paper are: gr-qc
21
The categories of this paper are: adap-org
37
The categories of this paper are: supr-con
8
The categories of this paper are: hep-ex
35
The categories of this paper are: mtrl-th
20
The categories of this paper are: acc-phys
9
The categories of this paper are: nlin
17
The categories of this paper are: q-fin
4
The categories of this paper are: cond-mat
0
The categories of this paper are: hep-ph
11
The categories of this paper are: hep-lat
33
The categories of this paper are: plasm-ph
34
The categories of this paper are: chem-ph