Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Bandwidth reduction in rectalgular grids   We show that the bandwidth of a square two-dimensional grid of arbitrary size
can be reduced if two (but not less than two) edges are deleted. The two
deleted edges may not be chosen arbitrarily, but they may be chosen to share a
common endpoint or to be non-adjacent.
  We also show that the bandwidth of the rectangular n by m (m greater or equal
to n) grid can be reduced by k, for all k that are sufficiently small, if
m-n+2k edges are deleted.

8
The categories of this paper are: hep-ex
9
The categories of this paper are: nlin
20
The categories of this paper are: acc-phys
25
The categories of this paper are: patt-sol
30
The categories of this paper are: q-alg
31
The categories of this paper are: ao-sci
19
The categories of this paper are: eess
28
The categories of this paper are: alg-geom
35
The categories of this paper are: mtrl-th
11
The categories of this paper are: hep-lat
36
The categories of this paper are: cmp-lg
1
The categories of this paper are: cs
34
The categories of this paper are: chem-ph
22
The categories of this paper are: chao-dyn
16
The categories of this paper are: stat
37
The categories of this paper are: supr-con