Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Dilation theorems for contractive semigroups   This note records some dilation theorems about contraction semigroups on a
Hilbert space - all of which fall into the categories "known" or "probably
known" - that I proved while working on my PhD in mathematics (under the
supervision of Baruch Solel). It is convenient to have them recorded for
reference.

0
The categories of this paper are: hep-ph
3
The categories of this paper are: physics
19
The categories of this paper are: eess
13
The categories of this paper are: quant-ph
23
The categories of this paper are: solv-int
33
The categories of this paper are: plasm-ph
16
The categories of this paper are: stat
10
The categories of this paper are: q-bio
24
The categories of this paper are: dg-ga
27
The categories of this paper are: comp-gas
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ
22
The categories of this paper are: chao-dyn
30
The categories of this paper are: q-alg
12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an