Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The $M_d$-Approximation Property and Unitarisability   We define a strengthening of the Haagerup-Kraus approximation property by
means of the algebras of generalised Herz-Schur multipliers $M_d(G)$ ($d\geq
1$) introduced by Pisier. We show that unitarisable groups satisfying this
property for all $d\geq 1$ are amenable. Moreover, we show that groups acting
properly on finite-dimensional CAT(0) cube complexes satisfy $M_d$-AP for all
$d\geq 1$. We also give examples of non-weakly amenable groups satisfying
$M_d$-AP for all $d\geq 1$.

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The categories of this paper are: chem-ph
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The categories of this paper are: econ
4
The categories of this paper are: cond-mat
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The categories of this paper are: ao-sci
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The categories of this paper are: atom-ph
3
The categories of this paper are: physics
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The categories of this paper are: eess
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The categories of this paper are: bayes-an
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The categories of this paper are: funct-an
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-th
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The categories of this paper are: nucl-th
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The categories of this paper are: q-fin
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The categories of this paper are: dg-ga
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The categories of this paper are: hep-ex
0
The categories of this paper are: hep-ph