Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Interior estimates for the eigenfunctions of the fractional Laplacian on
  a bounded Euclidean domain   This paper is devoted to interior, i.e. away from the boundary, estimates for
eigenfunctions of the fractional Laplacian in an Euclidean domain of $\mathbb
R^d$.

1
The categories of this paper are: cs
22
The categories of this paper are: chao-dyn
37
The categories of this paper are: supr-con
18
The categories of this paper are: econ
30
The categories of this paper are: q-alg
3
The categories of this paper are: physics
14
The categories of this paper are: math-ph
29
The categories of this paper are: funct-an
20
The categories of this paper are: acc-phys
17
The categories of this paper are: q-fin
8
The categories of this paper are: hep-ex
4
The categories of this paper are: cond-mat
7
The categories of this paper are: hep-th
19
The categories of this paper are: eess
5
The categories of this paper are: gr-qc
9
The categories of this paper are: nlin