Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Hausdorff Tight Groupoids Generalised   We extend Exel's ample tight groupoid construction to general locally compact
\'etale groupoids in the Hausdorff case. Moreover, we show how inverse
semigroups are represented in this way as 'pseudobases' of open bisections,
thus yielding a duality which encompasses various extensions of the classic
Stone duality.

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The categories of this paper are: cmp-lg
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The categories of this paper are: astro-ph
10
The categories of this paper are: q-bio
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The categories of this paper are: dg-ga
29
The categories of this paper are: funct-an
8
The categories of this paper are: hep-ex
18
The categories of this paper are: econ
7
The categories of this paper are: hep-th
32
The categories of this paper are: atom-ph
28
The categories of this paper are: alg-geom
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The categories of this paper are: solv-int
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The categories of this paper are: plasm-ph
5
The categories of this paper are: gr-qc
27
The categories of this paper are: comp-gas
1
The categories of this paper are: cs
0
The categories of this paper are: hep-ph