Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Partial Galois cohomology and related homomorphisms (expanded version)   For a partial Galois extension of commutative rings we give a seven terms
sequence, which is an analogue of the Chase-Harrison-Rosenberg sequence.

34
The categories of this paper are: chem-ph
5
The categories of this paper are: gr-qc
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
6
The categories of this paper are: astro-ph
9
The categories of this paper are: nlin
22
The categories of this paper are: chao-dyn
28
The categories of this paper are: alg-geom
15
The categories of this paper are: nucl-ex
29
The categories of this paper are: funct-an
10
The categories of this paper are: q-bio
36
The categories of this paper are: cmp-lg
4
The categories of this paper are: cond-mat
37
The categories of this paper are: supr-con
21
The categories of this paper are: adap-org
12
The categories of this paper are: nucl-th