Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Most Negative and most Positice Values of the Spin Operator for a
  Many Nucleon System   We find the most negative and most positive values of the spin operator for a
system of several nucleons. We us an ls basis to make the analysis.

8
The categories of this paper are: hep-ex
31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
17
The categories of this paper are: q-fin
22
The categories of this paper are: chao-dyn
24
The categories of this paper are: dg-ga
11
The categories of this paper are: hep-lat
20
The categories of this paper are: acc-phys
37
The categories of this paper are: supr-con
10
The categories of this paper are: q-bio
30
The categories of this paper are: q-alg
29
The categories of this paper are: funct-an
32
The categories of this paper are: atom-ph
2
The categories of this paper are: math
7
The categories of this paper are: hep-th
26
The categories of this paper are: bayes-an