Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Exact controllability of stochastic parabolic equations with
  multiplicative noise   One proves that the linear and semilinear stochastic parabolic equations with
a multiplicative noise with a finite number of modes are exactly null
controllable.

7
The categories of this paper are: hep-th
14
The categories of this paper are: math-ph
1
The categories of this paper are: cs
23
The categories of this paper are: solv-int
12
The categories of this paper are: nucl-th
25
The categories of this paper are: patt-sol
32
The categories of this paper are: atom-ph
37
The categories of this paper are: supr-con
26
The categories of this paper are: bayes-an
17
The categories of this paper are: q-fin
21
The categories of this paper are: adap-org
30
The categories of this paper are: q-alg
36
The categories of this paper are: cmp-lg
19
The categories of this paper are: eess
22
The categories of this paper are: chao-dyn
10
The categories of this paper are: q-bio