Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A note on the modified KP hierarchy and its (yet another) dispersionless
  limit   The modified KP hierarchies of Kashiwara and Miwa is formulated in Lax
formalism by Dickey. Their solutions are parametrised by flag varieties. Its
dispersionless limit is considered.

12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
23
The categories of this paper are: solv-int
22
The categories of this paper are: chao-dyn
17
The categories of this paper are: q-fin
35
The categories of this paper are: mtrl-th
10
The categories of this paper are: q-bio
16
The categories of this paper are: stat
18
The categories of this paper are: econ
33
The categories of this paper are: plasm-ph
32
The categories of this paper are: atom-ph
6
The categories of this paper are: astro-ph
26
The categories of this paper are: bayes-an
8
The categories of this paper are: hep-ex
20
The categories of this paper are: acc-phys
7
The categories of this paper are: hep-th