Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Spectral data for U(m,m)-Higgs bundles   We define and study spectral data associated to U(m,m)-Higgs bundles through
the Hitchin fibration. We give a new interpretation of the topological
invariants involved, as well as a geometric description of the moduli space.

6
The categories of this paper are: astro-ph
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
28
The categories of this paper are: alg-geom
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg
17
The categories of this paper are: q-fin
0
The categories of this paper are: hep-ph
7
The categories of this paper are: hep-th
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
37
The categories of this paper are: supr-con
11
The categories of this paper are: hep-lat
9
The categories of this paper are: nlin
24
The categories of this paper are: dg-ga
19
The categories of this paper are: eess