Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Discontinuity of the Lempert function of the spectral ball   We give some further criteria for continuity or discontinuity of the Lempert
funtion of the spectral ball $\Omega_n$, with respect to one or both of its
arguments, in terms of cyclicity the matrices involved.

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The categories of this paper are: econ
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The categories of this paper are: eess
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The categories of this paper are: math-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: stat
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The categories of this paper are: q-fin
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The categories of this paper are: comp-gas
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The categories of this paper are: cmp-lg
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The categories of this paper are: chem-ph
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The categories of this paper are: q-alg
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The categories of this paper are: hep-ex
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The categories of this paper are: chao-dyn
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The categories of this paper are: plasm-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: cs
0
The categories of this paper are: hep-ph