Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On The Possibilities For Superluminal Signalling   This paper shall define and discuss two types of quantum process -
Disentangling and Entangling. The first type will be shown to contradict
Unitarity and is therefore ruled out as a possible signalling process within
standard linear Quantum Mechanics. The paper will argue that the second type -
the entangling process - is both allowed by the principles of Quantum
Mechanics, and can transmit superluminal signals. A proposal will be made for
addressing the objection to superluminal signalling by the Special Theory of
Relativity.

31
The categories of this paper are: ao-sci
5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess
28
The categories of this paper are: alg-geom
34
The categories of this paper are: chem-ph
1
The categories of this paper are: cs
20
The categories of this paper are: acc-phys
17
The categories of this paper are: q-fin
37
The categories of this paper are: supr-con
35
The categories of this paper are: mtrl-th
32
The categories of this paper are: atom-ph
9
The categories of this paper are: nlin
2
The categories of this paper are: math
27
The categories of this paper are: comp-gas
0
The categories of this paper are: hep-ph
24
The categories of this paper are: dg-ga