Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Unobstructedness of deformations of weak Fano manifolds   We prove that a weak Fano manifold has unobstructed deformations. For a
general variety, we investigate conditions under which a variety is necessarily
obstructed.

17
The categories of this paper are: q-fin
10
The categories of this paper are: q-bio
31
The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
30
The categories of this paper are: q-alg
12
The categories of this paper are: nucl-th
33
The categories of this paper are: plasm-ph
23
The categories of this paper are: solv-int
25
The categories of this paper are: patt-sol
3
The categories of this paper are: physics
19
The categories of this paper are: eess
20
The categories of this paper are: acc-phys
28
The categories of this paper are: alg-geom
8
The categories of this paper are: hep-ex
13
The categories of this paper are: quant-ph
24
The categories of this paper are: dg-ga