We give a general review of extended supergravities and their gauging using the duality-
covariant embedding tensor formalism. Although the focus is on four-dimensional theories …

We review the recently established relationships between black hole entropy in string theory
and the quantum entanglement of qubits and qutrits in quantum information theory. The first …

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We briefly review the manifold incarnations and facets of the notion that gravity, in certain
regards, can be re-conceived as the product of two gauge theories. We begin with a short …

We give a review of the black-hole/qubit correspondence that incorporates not only the
earlier results on black-hole entropy and entanglement measures, seven qubits and the …

We show that the second order field equations characterizing extremal solutions for
spherically symmetric, stationary black holes are in fact implied by a system of first order …

We construct interpolating solutions describing single-center static extremal non-
supersymmetric black holes in four-dimensional N= 2 supergravity theories with cubic …

We study non-BPS black hole solutions to ungauged supergravity with 8 supercharges
coupled to vector multiplets in four and five dimensions. We identify a large class of five …

The quantized charges x of four-dimensional stringy black holes may be assigned to
elements of an integral Freudenthal triple system whose automorphism group is the …

We construct extremal, spherically symmetric black hole solutions to 4D supergravity with
charge assignments that preclude BPS-saturation. In particular, we determine the ground …