Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On birational boundedness of some Calabi-Yau hypersurfaces   We show the birational boundedness of anti-canonical irreducible
hypersurfaces which form 3-fold plt pairs. We also treat a collection of Du Val
K3 surfaces which is birationally bounded but unbounded.

9
The categories of this paper are: nlin
6
The categories of this paper are: astro-ph
0
The categories of this paper are: hep-ph
34
The categories of this paper are: chem-ph
25
The categories of this paper are: patt-sol
3
The categories of this paper are: physics
4
The categories of this paper are: cond-mat
36
The categories of this paper are: cmp-lg
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int
35
The categories of this paper are: mtrl-th
13
The categories of this paper are: quant-ph
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs