Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Frames for subspaces of $\mathbb{C}^N$   We present a theory of finite frames for subspaces of $\mathbb{C}^N$ . The
definition of a subspace frame is given and results analogous to those from
frame theory for $\mathbb{C}^N$ are proven.

16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
9
The categories of this paper are: nlin
6
The categories of this paper are: astro-ph
29
The categories of this paper are: funct-an
19
The categories of this paper are: eess
0
The categories of this paper are: hep-ph
32
The categories of this paper are: atom-ph
24
The categories of this paper are: dg-ga
15
The categories of this paper are: nucl-ex
10
The categories of this paper are: q-bio
33
The categories of this paper are: plasm-ph
7
The categories of this paper are: hep-th
13
The categories of this paper are: quant-ph
36
The categories of this paper are: cmp-lg
5
The categories of this paper are: gr-qc