Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the McCool group $M_3$ and its associated Lie Algebra   We prove that the Lie Algebra of the McCool group $M_3$ is torsion free. As a
result we are able to give a presentation for the Lie Algebra of $M_3$.
Furthermore, $M_3$ is a Magnus group.

8
The categories of this paper are: hep-ex
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
28
The categories of this paper are: alg-geom
35
The categories of this paper are: mtrl-th
33
The categories of this paper are: plasm-ph
26
The categories of this paper are: bayes-an
30
The categories of this paper are: q-alg
29
The categories of this paper are: funct-an
34
The categories of this paper are: chem-ph
3
The categories of this paper are: physics
10
The categories of this paper are: q-bio
5
The categories of this paper are: gr-qc
17
The categories of this paper are: q-fin
13
The categories of this paper are: quant-ph
23
The categories of this paper are: solv-int