Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Diffusion and Chemical Potential in Polymer Solutions   We give a mathematical proof for the preceding derivation of the excluded
volume theory on the basis of the thermodynamic theory, the concept of
diffusion, and the theory of total differential.

29
The categories of this paper are: funct-an
20
The categories of this paper are: acc-phys
0
The categories of this paper are: hep-ph
9
The categories of this paper are: nlin
15
The categories of this paper are: nucl-ex
22
The categories of this paper are: chao-dyn
13
The categories of this paper are: quant-ph
14
The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
1
The categories of this paper are: cs
24
The categories of this paper are: dg-ga
37
The categories of this paper are: supr-con
16
The categories of this paper are: stat
31
The categories of this paper are: ao-sci
26
The categories of this paper are: bayes-an