Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: An integro-differential equation without continuous solutions   We show an example of a non-symmetric integro-differential equation of order
$\alpha$, for $\alpha \in (0,1)$, for which H\"older estimates do not hold even
though the kernels are comparable to the fractional Laplacian.

24
The categories of this paper are: dg-ga
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The categories of this paper are: chao-dyn
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The categories of this paper are: cmp-lg
13
The categories of this paper are: quant-ph
30
The categories of this paper are: q-alg
8
The categories of this paper are: hep-ex
32
The categories of this paper are: atom-ph
25
The categories of this paper are: patt-sol
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The categories of this paper are: solv-int
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The categories of this paper are: bayes-an
10
The categories of this paper are: q-bio
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The categories of this paper are: q-fin
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The categories of this paper are: acc-phys
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The categories of this paper are: chem-ph
0
The categories of this paper are: hep-ph
9
The categories of this paper are: nlin