Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Perturbing AdS$_6 \times_w S^4$: linearised equations and spin-2
  spectrum   We initiate the analysis of the Kaluza--Klein mass spectrum of massive IIA
supergravity on the warped AdS$_6 \times_w S^4$ background, by deriving the
linearised equations of motion of bosonic and fermionic fluctuations, and
determining the mass spectrum of those of spin-2. The spin-2 modes are given in
terms of hypergeometric functions and a careful analysis of their boundary
conditions uncovers the existence of two branches of mass spectra, bounded from
below. The modes that saturate the bounds belong to short multiplets which we
identify in the representation theory of the $\mathfrak{f}(4)$ symmetry
superalgebra of the AdS$_6 \times_w S^4$ solution.

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The categories of this paper are: hep-ph
20
The categories of this paper are: acc-phys
13
The categories of this paper are: quant-ph
15
The categories of this paper are: nucl-ex
5
The categories of this paper are: gr-qc
16
The categories of this paper are: stat
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
19
The categories of this paper are: eess
32
The categories of this paper are: atom-ph
4
The categories of this paper are: cond-mat
37
The categories of this paper are: supr-con
31
The categories of this paper are: ao-sci
29
The categories of this paper are: funct-an
27
The categories of this paper are: comp-gas
2
The categories of this paper are: math