We first make more precise a recent" Hamiltonian" reformulation of the Hohm-Zwiebach
approach to the tree-level, O (d, d)-invariant string cosmology equations at all orders in the …

In this paper, we show that for one sign of the deformation coupling single-trace TT‾
deformation moves the holographic screen in Gödel universe radially inward. For the other …

The concept of spacetime loses its usual interpretation at the essential singularity of a black
hole. In consequence, all laws of physics must fail at this classical singularity. This …

Ever since Hawking highlighted the puzzle of the existence of a singularity in the classical
spacetime of general relativity, implying breakdown of all laws of physics living in the …

A bstract In this paper, we generalize the correspondence between large D gravity and low
D string theory to the most general case, including its T-dual solutions. It is well-known that …

Regular black holes do not exist in any classical theory of gravity including Einstein's
general relativity. This unappealing feature is due to the appearance of a singularity in the …

The resolution of black hole singularities represents an essential problem in the realm of
quantum gravity. Due to the Belinskii, Khalatnikov and Lifshitz (BKL) proposal, the structure …

In this paper, we show that for one sign of the deformation coupling single-trace $ T {\bar T}
$ deformation moves the holographic screen in G\"{o} del universe radially inward. For the …

In this thesis we study duality-invariant higher-derivative (α 0) corrections to string low
energy effective theories. We restrict to the universal massless sector, consisting of the …

We first make more precise a recent" Hamiltonian" reformulation of the Hohm-Zwiebach
approach to the tree-level, $ O (d, d) $-invariant string cosmology equations at all orders in …