Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the Casimir energy of a massive scalar field in positive curvature
  space   We re-evaluate the zero point Casimir energy for the case of a massive scalar
field in $\mathbf{R}^{1}\times\mathbf{S}^{3}$ space, allowing also for
deviations from the standard conformal value $\xi =1/6$, by means of zero
temperature zeta function techniques. We show that for the problem at hand this
approach is equivalent to the high temperature regularisation of the vacuum
energy.

34
The categories of this paper are: chem-ph
25
The categories of this paper are: patt-sol
24
The categories of this paper are: dg-ga
3
The categories of this paper are: physics
2
The categories of this paper are: math
20
The categories of this paper are: acc-phys
19
The categories of this paper are: eess
14
The categories of this paper are: math-ph
15
The categories of this paper are: nucl-ex
8
The categories of this paper are: hep-ex
16
The categories of this paper are: stat
10
The categories of this paper are: q-bio
36
The categories of this paper are: cmp-lg
1
The categories of this paper are: cs
27
The categories of this paper are: comp-gas
21
The categories of this paper are: adap-org