Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Wick-rotatable metric is purely electric   We show that a metric of arbitrary dimension and signature which allows for a
standard Wick-rotation to a Riemannian metric necessarily has a purely electric
Riemann and Weyl tensor.

22
The categories of this paper are: chao-dyn
26
The categories of this paper are: bayes-an
0
The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg
11
The categories of this paper are: hep-lat
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
10
The categories of this paper are: q-bio
28
The categories of this paper are: alg-geom
27
The categories of this paper are: comp-gas
16
The categories of this paper are: stat
34
The categories of this paper are: chem-ph
19
The categories of this paper are: eess
3
The categories of this paper are: physics
25
The categories of this paper are: patt-sol