Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Comment on: Pseudo-effectivity of the relative canonical divisor ... by
  Zsolt Patakfalvi   We discuss an elementary approach to the existence of non-uniruled ramified
covers of varieties.

7
The categories of this paper are: hep-th
6
The categories of this paper are: astro-ph
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
31
The categories of this paper are: ao-sci
4
The categories of this paper are: cond-mat
23
The categories of this paper are: solv-int
18
The categories of this paper are: econ
14
The categories of this paper are: math-ph
13
The categories of this paper are: quant-ph
22
The categories of this paper are: chao-dyn
17
The categories of this paper are: q-fin
25
The categories of this paper are: patt-sol
19
The categories of this paper are: eess
36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin