Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Some Theorems in Thermoelasticity for Micropolar Porous Media   Within the context of a linear theory of heat-flux dependent thermoelasticity
for micropolar porous media some variational principles and a reciprocal
relation are derived.

25
The categories of this paper are: patt-sol
18
The categories of this paper are: econ
7
The categories of this paper are: hep-th
17
The categories of this paper are: q-fin
33
The categories of this paper are: plasm-ph
5
The categories of this paper are: gr-qc
1
The categories of this paper are: cs
34
The categories of this paper are: chem-ph
0
The categories of this paper are: hep-ph
10
The categories of this paper are: q-bio
13
The categories of this paper are: quant-ph
21
The categories of this paper are: adap-org
26
The categories of this paper are: bayes-an
11
The categories of this paper are: hep-lat
24
The categories of this paper are: dg-ga
35
The categories of this paper are: mtrl-th