Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Degeneration of globally hyperbolic maximal anti-de Sitter structures
  along pinching sequences   Let $S$ be a closed oriented surface of genus at least $2$. Using the
parameterisation of the deformation space of globally hyperbolic maximal
anti-de Sitter structures on $S \times \mathbb{R}$ by the cotangent bundle over
the Teichm\"uller space of $S$, we study the behaviour of these geometric
structures along pinching sequences. We show, in particular, that the regular
globally hyperbolic anti-de Sitter structures introduced in arXiv:1806.08176
naturally appear as limiting points.

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The categories of this paper are: patt-sol
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The categories of this paper are: atom-ph
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The categories of this paper are: mtrl-th
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The categories of this paper are: physics
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The categories of this paper are: econ
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The categories of this paper are: nucl-ex
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The categories of this paper are: plasm-ph
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The categories of this paper are: ao-sci
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The categories of this paper are: eess
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The categories of this paper are: cond-mat
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The categories of this paper are: q-bio
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The categories of this paper are: chem-ph
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The categories of this paper are: astro-ph
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The categories of this paper are: hep-ph
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The categories of this paper are: adap-org
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The categories of this paper are: q-fin