Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Current Status of the Inner Boundaries   Short review of experimental and theoretical researches influence of inner
boundaries at properties of composite materials. Reviewing articles that are
made at the last, approximately, thirty years, and which demonstrate role of
inner boundaries in determining the properties of composite materials.

32
The categories of this paper are: atom-ph
31
The categories of this paper are: ao-sci
23
The categories of this paper are: solv-int
11
The categories of this paper are: hep-lat
34
The categories of this paper are: chem-ph
17
The categories of this paper are: q-fin
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
24
The categories of this paper are: dg-ga
2
The categories of this paper are: math
36
The categories of this paper are: cmp-lg
28
The categories of this paper are: alg-geom
10
The categories of this paper are: q-bio
14
The categories of this paper are: math-ph
30
The categories of this paper are: q-alg
8
The categories of this paper are: hep-ex