Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: String Dualities from Matrix Theory: A Summary   I review the appearance, within Matrix theory, of the $SL(5,Z)$ U-duality
group of M-theory on $T^4$, and the duality between M-theory on K3 and the
Heterotic string on $T^3$. In both cases the duality is geometrical and
manifest.

17
The categories of this paper are: q-fin
36
The categories of this paper are: cmp-lg
28
The categories of this paper are: alg-geom
1
The categories of this paper are: cs
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex
10
The categories of this paper are: q-bio
13
The categories of this paper are: quant-ph
12
The categories of this paper are: nucl-th
9
The categories of this paper are: nlin
29
The categories of this paper are: funct-an
4
The categories of this paper are: cond-mat
2
The categories of this paper are: math
11
The categories of this paper are: hep-lat
19
The categories of this paper are: eess