Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Two-scale extensions for non-periodic coefficients   We consider non-homogeneous media with properties which can be characterized
by rapidly oscillated coefficients. For such coefficients we define a notion of
two-scale extension, present several ways to construct two-scale extensions,
discuss their properties and relation to homogenization

30
The categories of this paper are: q-alg
33
The categories of this paper are: plasm-ph
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The categories of this paper are: atom-ph
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ
21
The categories of this paper are: adap-org
14
The categories of this paper are: math-ph
4
The categories of this paper are: cond-mat
0
The categories of this paper are: hep-ph
35
The categories of this paper are: mtrl-th
16
The categories of this paper are: stat
11
The categories of this paper are: hep-lat
27
The categories of this paper are: comp-gas
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The categories of this paper are: supr-con
23
The categories of this paper are: solv-int
1
The categories of this paper are: cs