Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Intrinsic characteristic classes for a local Lie group   For a local Lie group M we define odd order cohomology classes. The first
class is an obstruction to globalizability of the local Lie group. The third
class coincides with Godbillon-Vey class in a particular case. These classes
are secondary as they emerge when curvature vanishes.

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The categories of this paper are: hep-ph
16
The categories of this paper are: stat
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
6
The categories of this paper are: astro-ph
22
The categories of this paper are: chao-dyn
26
The categories of this paper are: bayes-an
31
The categories of this paper are: ao-sci
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga
5
The categories of this paper are: gr-qc
23
The categories of this paper are: solv-int
14
The categories of this paper are: math-ph
32
The categories of this paper are: atom-ph
11
The categories of this paper are: hep-lat
29
The categories of this paper are: funct-an