Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A spectral characterization of skeletal maps   We prove that a map between two realcompact spaces is skeletal if and only if
it is homeomorphic to the limit map of a skeletal morphism between w-spectra
with surjective limit projections.

31
The categories of this paper are: ao-sci
21
The categories of this paper are: adap-org
28
The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th
32
The categories of this paper are: atom-ph
0
The categories of this paper are: hep-ph
4
The categories of this paper are: cond-mat
16
The categories of this paper are: stat
22
The categories of this paper are: chao-dyn
3
The categories of this paper are: physics
33
The categories of this paper are: plasm-ph
29
The categories of this paper are: funct-an
18
The categories of this paper are: econ
14
The categories of this paper are: math-ph
37
The categories of this paper are: supr-con
25
The categories of this paper are: patt-sol