Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Decouplings for surfaces in R^4   We prove a sharp decoupling for non degenerate surfaces in $\R^4$. This puts
the recent progress on the Lindel\"of hypothesis into a more general
perspective.

25
The categories of this paper are: patt-sol
4
The categories of this paper are: cond-mat
5
The categories of this paper are: gr-qc
15
The categories of this paper are: nucl-ex
13
The categories of this paper are: quant-ph
11
The categories of this paper are: hep-lat
1
The categories of this paper are: cs
8
The categories of this paper are: hep-ex
24
The categories of this paper are: dg-ga
9
The categories of this paper are: nlin
0
The categories of this paper are: hep-ph
33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
32
The categories of this paper are: atom-ph
3
The categories of this paper are: physics
37
The categories of this paper are: supr-con