Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Maximally $\cal{N}$-extended super-BMS$_3$ algebras and Generalized 3D
  Gravity Solutions   We consider the maximal $\cal{N}-$extended supergravity theory in 3
dimensions with fermionic generators transforming under real but non
necessarily irreducible representations of the internal algebra. We obtain the
symmetry algebra at null infinity preserving boundary conditions of
asymptotically flat solutions, i.e. the maximal $\cal{N}-$extended
super-BMS$_3$ algebra, which possesses non-linear correction in the
anti-commutators of supercharges. We present the supersymmetric energy bound
and derive the explicit form of the asymptotic Killing spinors. We also find
the most generic circular symmetric ground state of the theory, which
corresponds to a non-supersymmetric cosmological solutions and derive their
entropy.

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The categories of this paper are: q-bio
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The categories of this paper are: supr-con
28
The categories of this paper are: alg-geom
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The categories of this paper are: physics
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The categories of this paper are: hep-lat
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The categories of this paper are: cond-mat
30
The categories of this paper are: q-alg
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The categories of this paper are: plasm-ph
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The categories of this paper are: econ
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The categories of this paper are: acc-phys
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The categories of this paper are: chem-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: hep-ph
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The categories of this paper are: nlin
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The categories of this paper are: bayes-an
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The categories of this paper are: math