Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Derivation of the wave function collapse in the context of Nelson's
  stochastic mechanics   The von Neumann collapse of the quantum mechanical wavefunction after a
position measurement is derived by a purely probabilistic mechanism in the
context of Nelson's stochastic mechanics.

10
The categories of this paper are: q-bio
28
The categories of this paper are: alg-geom
5
The categories of this paper are: gr-qc
24
The categories of this paper are: dg-ga
6
The categories of this paper are: astro-ph
2
The categories of this paper are: math
25
The categories of this paper are: patt-sol
17
The categories of this paper are: q-fin
4
The categories of this paper are: cond-mat
9
The categories of this paper are: nlin
36
The categories of this paper are: cmp-lg
12
The categories of this paper are: nucl-th
21
The categories of this paper are: adap-org
19
The categories of this paper are: eess
26
The categories of this paper are: bayes-an
7
The categories of this paper are: hep-th