Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Mechanical Behaviour of Glasses and Amorphous Materials   A wide range of materials can exist in microscopically disordered solid
forms, referred to as amorphous solids or glasses. Such materials -- oxide
glasses and metallic glasses, to polymer glasses, and soft solids such as
colloidal glasses, emulsions and granular packings -- are useful as structural
materials in a variety of contexts. Their deformation and flow behaviour is
relevant for many others. Apart from fundamental questions associated with the
formation of these solids, comprehending their mechanical behaviour is thus of
interest, and of significance for their use as materials. In particular, the
nature of plasticity and yielding behaviour in amorphous solids has been
actively investigated. Different amorphous solids exhibit behaviour that is
apparently diverse and qualitatively different from those of crystalline
materials. A goal of recent investigations has been to comprehend the unifying
characteristics of amorphous plasticity and to understand the apparent
differences among them. We summarise some of the recent progress in this
direction. We focus on insights obtained from computer simulation studies, and
in particular those employing oscillatory shear deformation of model glasses.

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The categories of this paper are: nlin
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The categories of this paper are: q-fin
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The categories of this paper are: stat
27
The categories of this paper are: comp-gas
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The categories of this paper are: q-bio
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The categories of this paper are: gr-qc
32
The categories of this paper are: atom-ph
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The categories of this paper are: q-alg
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The categories of this paper are: cs
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The categories of this paper are: cmp-lg
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The categories of this paper are: ao-sci
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The categories of this paper are: astro-ph
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The categories of this paper are: adap-org
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The categories of this paper are: dg-ga
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The categories of this paper are: plasm-ph
28
The categories of this paper are: alg-geom