Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Semistable 3-fold flips   We piece together ingredients, which are well known and documented in the
literature, into a new proof of the existence of semistable 3-fold flips

30
The categories of this paper are: q-alg
1
The categories of this paper are: cs
19
The categories of this paper are: eess
0
The categories of this paper are: hep-ph
25
The categories of this paper are: patt-sol
16
The categories of this paper are: stat
17
The categories of this paper are: q-fin
15
The categories of this paper are: nucl-ex
27
The categories of this paper are: comp-gas
34
The categories of this paper are: chem-ph
9
The categories of this paper are: nlin
22
The categories of this paper are: chao-dyn
36
The categories of this paper are: cmp-lg
3
The categories of this paper are: physics
12
The categories of this paper are: nucl-th
5
The categories of this paper are: gr-qc