Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Sobre la ecolog\'ia social de las instituciones de educaci\'on superior
  en la Ca\~nada oaxaque\~na   We make some observations regarding the competition between Universidad de la
Ca\~nada (Unca) and other universities, using the Lotka-Volterra model, for the
Informatics major, applying ideas introduced by McPherson in 1983. As a
consequence, some strategies are suggested for Unca to adopt.

24
The categories of this paper are: dg-ga
15
The categories of this paper are: nucl-ex
36
The categories of this paper are: cmp-lg
37
The categories of this paper are: supr-con
3
The categories of this paper are: physics
33
The categories of this paper are: plasm-ph
23
The categories of this paper are: solv-int
22
The categories of this paper are: chao-dyn
32
The categories of this paper are: atom-ph
20
The categories of this paper are: acc-phys
30
The categories of this paper are: q-alg
19
The categories of this paper are: eess
12
The categories of this paper are: nucl-th
35
The categories of this paper are: mtrl-th
5
The categories of this paper are: gr-qc
34
The categories of this paper are: chem-ph