Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Idempotents on the big phase space   In this paper we study vector fields on the big phase space of Gromov-Witten
theory which are idempotents of the quantum product. Such vector fields can be
used to simplify universal equations for higher genus Gromov-Witten invariants.

18
The categories of this paper are: econ
16
The categories of this paper are: stat
12
The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
4
The categories of this paper are: cond-mat
1
The categories of this paper are: cs
7
The categories of this paper are: hep-th
29
The categories of this paper are: funct-an
33
The categories of this paper are: plasm-ph
6
The categories of this paper are: astro-ph
5
The categories of this paper are: gr-qc
35
The categories of this paper are: mtrl-th
0
The categories of this paper are: hep-ph
8
The categories of this paper are: hep-ex
27
The categories of this paper are: comp-gas
26
The categories of this paper are: bayes-an