Harnessing S-duality in $$ \mathcal{N} $$ = 4 SYM & supergravity as SL(2, ℤ)-averaged strings
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A bstract We find models of two dimensional gravity that resolve the factorization puzzle and
have a discrete spectrum, whilst retaining a semiclassical description. A novelty of these …

We consider toy models of holography arising from 3d Chern-Simons theory. In this context
a duality to an ensemble average over 2d CFTs has been recently proposed. We put forward …

A bstract In this paper, we use the Karch-Randall braneworld to study theories of quantum
gravity in two dimensional (nearly) anti-de Sitter space (AdS 2). We focus on effective …

A bstract As has been known since the 90s, there is an integrable structure underlying two-
dimensional gravity theories. Recently, two-dimensional gravity theories have regained an …

A bstract In AdS/CFT partition functions of decoupled copies of the CFT factorize. In bulk
computations of such quantities contributions from spacetime wormholes which link …

We present evidence for a duality between Jackiw-Teitelboim gravity minimally coupled to a
free massive scalar field and a single-trace two-matrix model. One matrix is the Hamiltonian …

A bstract We study Fateev-Zamolodchikov-Zamolodchikov-Teschner (FZZT) branes in Witten-
Kontsevich topological gravity, which includes Jackiw-Teitelboim (JT) gravity as a special …

A bstract The extent to which quantum mechanical features of black holes can be
understood from the Euclidean gravity path integral has recently received significant …

A bstract As shown by Louko and Sorkin in 1995, topology change in Lorentzian signature
involves spacetimes with singular points, which they called crotches. We modify their …