Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Stress concentration for closely located inclusions in nonlinear perfect
  conductivity problems   We study the stress concentration, which is the gradient of the solution,
when two smooth inclusions are closely located in a possibly anisotropic
medium. The governing equation may be degenerate of $p-$Laplace type, with $1<p
\leq N$. We prove optimal $L^\infty$ estimates for the blow-up of the gradient
of the solution as the distance between the inclusions tends to zero.

11
The categories of this paper are: hep-lat
3
The categories of this paper are: physics
21
The categories of this paper are: adap-org
28
The categories of this paper are: alg-geom
13
The categories of this paper are: quant-ph
7
The categories of this paper are: hep-th
16
The categories of this paper are: stat
5
The categories of this paper are: gr-qc
30
The categories of this paper are: q-alg
32
The categories of this paper are: atom-ph
34
The categories of this paper are: chem-ph
35
The categories of this paper are: mtrl-th
33
The categories of this paper are: plasm-ph
4
The categories of this paper are: cond-mat
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The categories of this paper are: solv-int
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The categories of this paper are: acc-phys