Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Picard groups of b-symplectic manifolds   We compute the Picard group of a stable b-symplectic manifold $M$ by
introducing a collection of discrete invariants $\mathfrak{Gr}$ which classify
$M$ up to Morita equivalence.

18
The categories of this paper are: econ
0
The categories of this paper are: hep-ph
30
The categories of this paper are: q-alg
35
The categories of this paper are: mtrl-th
21
The categories of this paper are: adap-org
9
The categories of this paper are: nlin
29
The categories of this paper are: funct-an
7
The categories of this paper are: hep-th
20
The categories of this paper are: acc-phys
10
The categories of this paper are: q-bio
37
The categories of this paper are: supr-con
12
The categories of this paper are: nucl-th
28
The categories of this paper are: alg-geom
4
The categories of this paper are: cond-mat
8
The categories of this paper are: hep-ex
19
The categories of this paper are: eess