Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On a homotopy relation between the 2-local geometry and the Bouc complex
  for the sporadic group McL   We study the homotopy relation between the standard 2-local geometry and the
Bouc complex for the sporadic finite simple group McL.

28
The categories of this paper are: alg-geom
13
The categories of this paper are: quant-ph
23
The categories of this paper are: solv-int
21
The categories of this paper are: adap-org
9
The categories of this paper are: nlin
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
36
The categories of this paper are: cmp-lg
31
The categories of this paper are: ao-sci
30
The categories of this paper are: q-alg
27
The categories of this paper are: comp-gas
34
The categories of this paper are: chem-ph
33
The categories of this paper are: plasm-ph
15
The categories of this paper are: nucl-ex
16
The categories of this paper are: stat
17
The categories of this paper are: q-fin