Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On nonformal simply connected symplectic manifolds   For any $N \geq 5$ nonformal simply connected symplectic manifolds of
dimension $2N$ are constructed. This disproves the formality conjecture for
simply connected symplectic manifolds which was introduced by Lupton and Oprea.

16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
30
The categories of this paper are: q-alg
31
The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
13
The categories of this paper are: quant-ph
11
The categories of this paper are: hep-lat
6
The categories of this paper are: astro-ph
5
The categories of this paper are: gr-qc
3
The categories of this paper are: physics
23
The categories of this paper are: solv-int
37
The categories of this paper are: supr-con
0
The categories of this paper are: hep-ph
9
The categories of this paper are: nlin
32
The categories of this paper are: atom-ph