Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: High-dimensional sources for the four-dimensional gravity   We argue that a certain distribution of matter in higher dimensions can
provide the correct behaviour of gravity in four dimensions. Some explicit
examples illustrating the idea are considered.

10
The categories of this paper are: q-bio
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
31
The categories of this paper are: ao-sci
3
The categories of this paper are: physics
15
The categories of this paper are: nucl-ex
25
The categories of this paper are: patt-sol
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
21
The categories of this paper are: adap-org
23
The categories of this paper are: solv-int
8
The categories of this paper are: hep-ex
9
The categories of this paper are: nlin
18
The categories of this paper are: econ
29
The categories of this paper are: funct-an
34
The categories of this paper are: chem-ph